SlideShare a Scribd company logo
1 of 18
MALE STERILITY IN CROP PLANT AND THEIR
COMMERCIAL EXPLOITATION
DEPARTMENT OF GENETICS AND PLANT BREEDING
SAM HIGGINBOTTOM INSTITUTE OF AGRICULTURE,
TECHNOLOGY & SCIENCES
(DEEMED TO BE UNIVERSITY)
ALLAHABAD – 211007
Mail Id- mail2devhingra@gmail.com
Dev Hingra
INTRODUCTION
Male Sterility in Plants
Male sterility is characterised by nonfunctional pollen grains, if
and where produced, while female gametes function normally.
Features of Male Sterility
•Prevents self pollination, permits cross pollination.
•Leads to heterozygosity
•Female gametes function normally
•Assayed through staining techniques
•In nature, occur due to spontaneous mutations
•Can be induced artificially
Phenotypic Expression Of Male Sterility
•Absence of male sex organs.
•Lack of normal anther sac.
•Inability of the pollen to mature.
•Inability to develop normal pollen.
Types of Male Sterility
•Cytoplasmic male sterility (CMS) – governed by cytoplasmic
genes
•Genetic male sterility (GMS) – governed by nuclear genes
•Cytoplasmic-Genetic male sterility (CGMS) – governed by both
nuclear and cytoplasmic genes
•Transgenic male sterility – induced by the technique of genetic
engineering
•Chemical induced male sterility – induced by the use of chemical
Cytoplasmic Male Sterility
Cytoplasmic male sterility is governed by cytoplasmic factors.In
fertilization process, zygote is formed by the fusion of egg cell
and one male gamete. The zygote carries equal number of
chromosomes from both (male & female) gametes, but
cytoplasm of egg cell (female). So, the cytoplasmic male
sterility shows maternal inheritance.
Application of Cytoplasmic Male Sterility in Plant Breeding
It is applicable in production of hybrids in ornamental crops and
vegetatively propagated crops, overall, where grain or fruit is not
the economic product.
Examples – Observed in sugarcane,potato,forage crops.
Genetic Male Sterility
It is governed by nuclear genes, without any influence of
cytoplasm. Generally, this type of male sterility is due to
recessive allele,e.g.,Barley, Mustard, Pigeon pea, Paddy,
etc.In this system, seed parent (ms ms), maintainer (Ms ms)
and pollinator (Ms Ms) are used.
Application of Genetic Male Sterility in Plant Breeding
It is applicable in production of hybrids in both, vegetatively
propagated crops and crops important for fruit or seed yield.
Examples – Wheat, maize, barley, sorghum, lucerne, cotton,
sunflower, tomato and cucurbits.
Cytoplasmic-Genetic Male Sterility
In this system, male sterility is expresed by homozygous recessive
gene in presence of sterility cytoplasm and fertility is restored by
dominant allele in presence of fertile as well as sterile cytoplasm. In
this system, a variety having sterile cytoplasm (S) and recessive
homozygous (rr) genes, is used as seed parent and is known as 'A'
line. In maintainer line ‘B‘, gene present are recessive (rr), but the
cytoplasm is male fertile (F), whereas, in restorer, dominant gene
(RR) are present, but the cytoplasm may be fertile or sterile.
Application of Cytoplasmic-Genetic Male Sterility in Plant
Breeding
It is used in commercial production of hybrid seeds in maize,
sorghum and bajara.
Examples – It is observed in maize, sorghum, bajara, sunflower,
rice and wheat.
Transgenic Male Sterility
When the male sterility is induced by the techniques of genetic
engineering, it is called as transgenic male sterility.
It is heritable and basically comes under genetic male sterility.
In this system, the two kinds of genes are involved.
One gene causes male sterility (integrated with genome of A line)
while the other suppresses it (in R line).
Chemical Induced Male Sterility
The chemical which induces male sterility artificially is called as
male gametocide. It is rapid method but the sterility is non-
heritable.
In this system A, B and R lines are not maintained. Some of the
male gametocides used are gibberellins (rice, maize), Sodium
Methyl Arsenate (rice) and Maleic hydrazide (wheat, onion).
References
Singh, B. D. 2005, Principles and Methods of Plant Breeding.
Singh, Phundan,2010, Essential of Plant Breeding.
Singh Tomar H. P. 2011, Seed Technology.
www.google.com
www.wikipedia.com
THANK YOU

More Related Content

What's hot

Male sterility, types and utilization in hybrid seed production
Male sterility, types and utilization in hybrid seed productionMale sterility, types and utilization in hybrid seed production
Male sterility, types and utilization in hybrid seed productionHirdayesh Anuragi
 
Self incompatibility
Self incompatibilitySelf incompatibility
Self incompatibilityPawan Nagar
 
Marker assisted selection
Marker assisted selectionMarker assisted selection
Marker assisted selectionFAO
 
production of double haploid plants
 production of double haploid plants production of double haploid plants
production of double haploid plantsvruddhi desai
 
Pureline selection
Pureline selectionPureline selection
Pureline selectionMajid Rashid
 
Molecular mechanism of male sterility in plant system
Molecular mechanism of male sterility in plant systemMolecular mechanism of male sterility in plant system
Molecular mechanism of male sterility in plant systemShilpa Malaghan
 
Molecular Markers, their application in crop improvement
Molecular Markers, their application in crop improvementMolecular Markers, their application in crop improvement
Molecular Markers, their application in crop improvementMrinali Mandape
 
Backcross Breeding Method
 Backcross Breeding Method  Backcross Breeding Method
Backcross Breeding Method Naveen Kumar
 
Gene pyramiding
Gene pyramidingGene pyramiding
Gene pyramidingDhanya AJ
 
22. Polyploidy in plant breeding in crop improvement
22. Polyploidy in plant breeding in crop improvement22. Polyploidy in plant breeding in crop improvement
22. Polyploidy in plant breeding in crop improvementNaveen Kumar
 
Fertilization barriers in crop plants at pre and postfertilization levels & i...
Fertilization barriers in crop plants at pre and postfertilization levels & i...Fertilization barriers in crop plants at pre and postfertilization levels & i...
Fertilization barriers in crop plants at pre and postfertilization levels & i...Pankaj Gami
 
Plant breeding methods of vegetatively propagated crops
Plant breeding methods of vegetatively propagated crops   Plant breeding methods of vegetatively propagated crops
Plant breeding methods of vegetatively propagated crops Roksana Aftab Ruhi
 
Single seed descent method
Single seed descent methodSingle seed descent method
Single seed descent methodDev Hingra
 
Male sterility sudha's
Male sterility sudha'sMale sterility sudha's
Male sterility sudha'ssudha2555
 
Biotechnological applications in Male Sterility and Hybrid Breeding
Biotechnological applications in Male Sterility and Hybrid BreedingBiotechnological applications in Male Sterility and Hybrid Breeding
Biotechnological applications in Male Sterility and Hybrid BreedingJwalit93
 
Somaclonal variation
Somaclonal variationSomaclonal variation
Somaclonal variationRakesh Kumar
 

What's hot (20)

Heterosis
Heterosis  Heterosis
Heterosis
 
Male sterility, types and utilization in hybrid seed production
Male sterility, types and utilization in hybrid seed productionMale sterility, types and utilization in hybrid seed production
Male sterility, types and utilization in hybrid seed production
 
Self incompatibility
Self incompatibilitySelf incompatibility
Self incompatibility
 
Marker assisted selection
Marker assisted selectionMarker assisted selection
Marker assisted selection
 
production of double haploid plants
 production of double haploid plants production of double haploid plants
production of double haploid plants
 
Pureline selection
Pureline selectionPureline selection
Pureline selection
 
Center of origin and Center of Diversity
Center of origin and Center of DiversityCenter of origin and Center of Diversity
Center of origin and Center of Diversity
 
Molecular mechanism of male sterility in plant system
Molecular mechanism of male sterility in plant systemMolecular mechanism of male sterility in plant system
Molecular mechanism of male sterility in plant system
 
Breeding of wheat
Breeding of wheatBreeding of wheat
Breeding of wheat
 
Molecular Markers, their application in crop improvement
Molecular Markers, their application in crop improvementMolecular Markers, their application in crop improvement
Molecular Markers, their application in crop improvement
 
Backcross Breeding Method
 Backcross Breeding Method  Backcross Breeding Method
Backcross Breeding Method
 
6. mass selection
6. mass selection6. mass selection
6. mass selection
 
Gene pyramiding
Gene pyramidingGene pyramiding
Gene pyramiding
 
22. Polyploidy in plant breeding in crop improvement
22. Polyploidy in plant breeding in crop improvement22. Polyploidy in plant breeding in crop improvement
22. Polyploidy in plant breeding in crop improvement
 
Fertilization barriers in crop plants at pre and postfertilization levels & i...
Fertilization barriers in crop plants at pre and postfertilization levels & i...Fertilization barriers in crop plants at pre and postfertilization levels & i...
Fertilization barriers in crop plants at pre and postfertilization levels & i...
 
Plant breeding methods of vegetatively propagated crops
Plant breeding methods of vegetatively propagated crops   Plant breeding methods of vegetatively propagated crops
Plant breeding methods of vegetatively propagated crops
 
Single seed descent method
Single seed descent methodSingle seed descent method
Single seed descent method
 
Male sterility sudha's
Male sterility sudha'sMale sterility sudha's
Male sterility sudha's
 
Biotechnological applications in Male Sterility and Hybrid Breeding
Biotechnological applications in Male Sterility and Hybrid BreedingBiotechnological applications in Male Sterility and Hybrid Breeding
Biotechnological applications in Male Sterility and Hybrid Breeding
 
Somaclonal variation
Somaclonal variationSomaclonal variation
Somaclonal variation
 

Viewers also liked

male sterilitysystem in vegetables
male sterilitysystem  in vegetablesmale sterilitysystem  in vegetables
male sterilitysystem in vegetablesHemant Ghemeray
 
USE OF MALE STERILITY IN HYBRID SEED PRODUCTION BY:ANIL BL GATHER
 USE OF MALE STERILITY IN HYBRID SEED PRODUCTION BY:ANIL BL GATHER USE OF MALE STERILITY IN HYBRID SEED PRODUCTION BY:ANIL BL GATHER
USE OF MALE STERILITY IN HYBRID SEED PRODUCTION BY:ANIL BL GATHERANIL BL GATHER
 
Male Sterility IN Cross Pollinated and Vegetable Crops
Male Sterility IN Cross Pollinated and Vegetable CropsMale Sterility IN Cross Pollinated and Vegetable Crops
Male Sterility IN Cross Pollinated and Vegetable Cropsamvannan
 
Advances in hybrid seed production of tomato
Advances in hybrid seed production of tomatoAdvances in hybrid seed production of tomato
Advances in hybrid seed production of tomatoAkshay Chittora
 
RECENT ADVANCES IN IMPROVEMENT OF VEGETABLE CROPS IN INDIA
RECENT ADVANCES IN IMPROVEMENT OF VEGETABLE CROPS IN INDIARECENT ADVANCES IN IMPROVEMENT OF VEGETABLE CROPS IN INDIA
RECENT ADVANCES IN IMPROVEMENT OF VEGETABLE CROPS IN INDIAAditika Sharma
 
Hybrid seed-production-in-vegetables
Hybrid seed-production-in-vegetablesHybrid seed-production-in-vegetables
Hybrid seed-production-in-vegetablesJunaid Abbas
 

Viewers also liked (8)

male sterilitysystem in vegetables
male sterilitysystem  in vegetablesmale sterilitysystem  in vegetables
male sterilitysystem in vegetables
 
USE OF MALE STERILITY IN HYBRID SEED PRODUCTION BY:ANIL BL GATHER
 USE OF MALE STERILITY IN HYBRID SEED PRODUCTION BY:ANIL BL GATHER USE OF MALE STERILITY IN HYBRID SEED PRODUCTION BY:ANIL BL GATHER
USE OF MALE STERILITY IN HYBRID SEED PRODUCTION BY:ANIL BL GATHER
 
Male Sterility IN Cross Pollinated and Vegetable Crops
Male Sterility IN Cross Pollinated and Vegetable CropsMale Sterility IN Cross Pollinated and Vegetable Crops
Male Sterility IN Cross Pollinated and Vegetable Crops
 
Advances in hybrid seed production of tomato
Advances in hybrid seed production of tomatoAdvances in hybrid seed production of tomato
Advances in hybrid seed production of tomato
 
Research papers
Research papersResearch papers
Research papers
 
Presentation on chillie breeding
Presentation on chillie breedingPresentation on chillie breeding
Presentation on chillie breeding
 
RECENT ADVANCES IN IMPROVEMENT OF VEGETABLE CROPS IN INDIA
RECENT ADVANCES IN IMPROVEMENT OF VEGETABLE CROPS IN INDIARECENT ADVANCES IN IMPROVEMENT OF VEGETABLE CROPS IN INDIA
RECENT ADVANCES IN IMPROVEMENT OF VEGETABLE CROPS IN INDIA
 
Hybrid seed-production-in-vegetables
Hybrid seed-production-in-vegetablesHybrid seed-production-in-vegetables
Hybrid seed-production-in-vegetables
 

Similar to Male sterility

male sterility system and its exploitation in monocot and Dicot plant
male sterility system and its exploitation in monocot and Dicot plantmale sterility system and its exploitation in monocot and Dicot plant
male sterility system and its exploitation in monocot and Dicot plantsambhaji yamgar
 
Male sterility applications in Hybrid seed production.
Male sterility applications in Hybrid seed production.Male sterility applications in Hybrid seed production.
Male sterility applications in Hybrid seed production.Roshan Parihar
 
Male sterility in plant breeding
Male sterility in plant breedingMale sterility in plant breeding
Male sterility in plant breedingMuhammad Anas
 
C4 male sterility in plant breeding
C4 male sterility in plant breedingC4 male sterility in plant breeding
C4 male sterility in plant breedingMuhammad Anas
 
Male sterility in plant breeding
Male sterility in plant breeding Male sterility in plant breeding
Male sterility in plant breeding ChudamaniPant1
 
Problems in seed production pgs-504
Problems in seed production pgs-504Problems in seed production pgs-504
Problems in seed production pgs-504Tapan Adhikari
 
10. methods & problems in seed production
10. methods & problems in  seed production10. methods & problems in  seed production
10. methods & problems in seed productionTapan Adhikari
 
Male sterility, types and utilization in hybrid seed production
Male sterility, types and utilization in hybrid seed productionMale sterility, types and utilization in hybrid seed production
Male sterility, types and utilization in hybrid seed productionHirdayesh Anuragi
 
Male sterility.pptx ....................
Male sterility.pptx ....................Male sterility.pptx ....................
Male sterility.pptx ....................abhishekinje9336
 
Define Male Sterility, Types, transfer of CMS to the new strain, Limitations,...
Define Male Sterility, Types, transfer of CMS to the new strain, Limitations,...Define Male Sterility, Types, transfer of CMS to the new strain, Limitations,...
Define Male Sterility, Types, transfer of CMS to the new strain, Limitations,...AKSHAYMAGAR17
 
Role of male -sterility in plant breeding
Role of male -sterility in plant breeding Role of male -sterility in plant breeding
Role of male -sterility in plant breeding DEEN DAYAL CHAUDHARY
 
GENETIC MALE STERILITY IN CROP PLANTS
GENETIC MALE STERILITY IN CROP PLANTSGENETIC MALE STERILITY IN CROP PLANTS
GENETIC MALE STERILITY IN CROP PLANTSAdithya Balakrishnan
 
Bioetcnology applications in male sterility and hybrid production
Bioetcnology applications in male sterility and hybrid production Bioetcnology applications in male sterility and hybrid production
Bioetcnology applications in male sterility and hybrid production Anilkumar C
 

Similar to Male sterility (20)

male sterility system and its exploitation in monocot and Dicot plant
male sterility system and its exploitation in monocot and Dicot plantmale sterility system and its exploitation in monocot and Dicot plant
male sterility system and its exploitation in monocot and Dicot plant
 
Concept of male sterility
Concept of male sterilityConcept of male sterility
Concept of male sterility
 
Male sterility applications in Hybrid seed production.
Male sterility applications in Hybrid seed production.Male sterility applications in Hybrid seed production.
Male sterility applications in Hybrid seed production.
 
Male sterility in plant breeding
Male sterility in plant breedingMale sterility in plant breeding
Male sterility in plant breeding
 
Male sterlity and Self incompatibility.
Male sterlity and Self incompatibility.Male sterlity and Self incompatibility.
Male sterlity and Self incompatibility.
 
C4 male sterility in plant breeding
C4 male sterility in plant breedingC4 male sterility in plant breeding
C4 male sterility in plant breeding
 
Male Sterility.pptx
Male Sterility.pptxMale Sterility.pptx
Male Sterility.pptx
 
Male sterility in plant breeding
Male sterility in plant breeding Male sterility in plant breeding
Male sterility in plant breeding
 
MS.pptx
MS.pptxMS.pptx
MS.pptx
 
Problems in seed production pgs-504
Problems in seed production pgs-504Problems in seed production pgs-504
Problems in seed production pgs-504
 
10. methods & problems in seed production
10. methods & problems in  seed production10. methods & problems in  seed production
10. methods & problems in seed production
 
Male sterility, types and utilization in hybrid seed production
Male sterility, types and utilization in hybrid seed productionMale sterility, types and utilization in hybrid seed production
Male sterility, types and utilization in hybrid seed production
 
Male sterility.pptx ....................
Male sterility.pptx ....................Male sterility.pptx ....................
Male sterility.pptx ....................
 
Define Male Sterility, Types, transfer of CMS to the new strain, Limitations,...
Define Male Sterility, Types, transfer of CMS to the new strain, Limitations,...Define Male Sterility, Types, transfer of CMS to the new strain, Limitations,...
Define Male Sterility, Types, transfer of CMS to the new strain, Limitations,...
 
Cytoplasmic male sterility in plants.pptx
Cytoplasmic male sterility in plants.pptxCytoplasmic male sterility in plants.pptx
Cytoplasmic male sterility in plants.pptx
 
Role of male -sterility in plant breeding
Role of male -sterility in plant breeding Role of male -sterility in plant breeding
Role of male -sterility in plant breeding
 
GENETIC MALE STERILITY IN CROP PLANTS
GENETIC MALE STERILITY IN CROP PLANTSGENETIC MALE STERILITY IN CROP PLANTS
GENETIC MALE STERILITY IN CROP PLANTS
 
Male sterility
Male sterilityMale sterility
Male sterility
 
Male sterility
Male sterility Male sterility
Male sterility
 
Bioetcnology applications in male sterility and hybrid production
Bioetcnology applications in male sterility and hybrid production Bioetcnology applications in male sterility and hybrid production
Bioetcnology applications in male sterility and hybrid production
 

More from Dev Hingra

Somatic hybridization
Somatic hybridizationSomatic hybridization
Somatic hybridizationDev Hingra
 
Modern type storage
Modern type storageModern type storage
Modern type storageDev Hingra
 
Ear to row method
Ear to row methodEar to row method
Ear to row methodDev Hingra
 
Genetical and physiological basis of heterosis and inbreeding
Genetical and physiological basis of heterosis and inbreedingGenetical and physiological basis of heterosis and inbreeding
Genetical and physiological basis of heterosis and inbreedingDev Hingra
 
Ear to row method
Ear to row methodEar to row method
Ear to row methodDev Hingra
 
Diallele selective mating system
Diallele selective mating systemDiallele selective mating system
Diallele selective mating systemDev Hingra
 
Characteristics Improvement in Plant Breeding
Characteristics Improvement in Plant BreedingCharacteristics Improvement in Plant Breeding
Characteristics Improvement in Plant BreedingDev Hingra
 
Cell ultrastructure and cell organelles
Cell ultrastructure and cell organellesCell ultrastructure and cell organelles
Cell ultrastructure and cell organellesDev Hingra
 
Mutation breeding
Mutation breedingMutation breeding
Mutation breedingDev Hingra
 
Back cross in recessive gene
Back cross in recessive geneBack cross in recessive gene
Back cross in recessive geneDev Hingra
 
Heat tolerance in wheat
Heat  tolerance in wheatHeat  tolerance in wheat
Heat tolerance in wheatDev Hingra
 
Gene transfer techniques
Gene transfer techniquesGene transfer techniques
Gene transfer techniquesDev Hingra
 
Bt technology present status and future prospectus
Bt technology   present status and future prospectusBt technology   present status and future prospectus
Bt technology present status and future prospectusDev Hingra
 
Breeding methods in cross pollinated crops
Breeding methods in cross pollinated cropsBreeding methods in cross pollinated crops
Breeding methods in cross pollinated cropsDev Hingra
 
Flower structure
Flower structureFlower structure
Flower structureDev Hingra
 
Floral biology
Floral biologyFloral biology
Floral biologyDev Hingra
 
Breeding methods in cross pollinated crops
Breeding methods in cross pollinated cropsBreeding methods in cross pollinated crops
Breeding methods in cross pollinated cropsDev Hingra
 
Breeding techniques in self pollinated crops presentation
Breeding techniques in self pollinated crops presentationBreeding techniques in self pollinated crops presentation
Breeding techniques in self pollinated crops presentationDev Hingra
 
release Bt cotten in india A case study
 release Bt cotten in india A case study release Bt cotten in india A case study
release Bt cotten in india A case studyDev Hingra
 
seed production of potato
seed production of potatoseed production of potato
seed production of potatoDev Hingra
 

More from Dev Hingra (20)

Somatic hybridization
Somatic hybridizationSomatic hybridization
Somatic hybridization
 
Modern type storage
Modern type storageModern type storage
Modern type storage
 
Ear to row method
Ear to row methodEar to row method
Ear to row method
 
Genetical and physiological basis of heterosis and inbreeding
Genetical and physiological basis of heterosis and inbreedingGenetical and physiological basis of heterosis and inbreeding
Genetical and physiological basis of heterosis and inbreeding
 
Ear to row method
Ear to row methodEar to row method
Ear to row method
 
Diallele selective mating system
Diallele selective mating systemDiallele selective mating system
Diallele selective mating system
 
Characteristics Improvement in Plant Breeding
Characteristics Improvement in Plant BreedingCharacteristics Improvement in Plant Breeding
Characteristics Improvement in Plant Breeding
 
Cell ultrastructure and cell organelles
Cell ultrastructure and cell organellesCell ultrastructure and cell organelles
Cell ultrastructure and cell organelles
 
Mutation breeding
Mutation breedingMutation breeding
Mutation breeding
 
Back cross in recessive gene
Back cross in recessive geneBack cross in recessive gene
Back cross in recessive gene
 
Heat tolerance in wheat
Heat  tolerance in wheatHeat  tolerance in wheat
Heat tolerance in wheat
 
Gene transfer techniques
Gene transfer techniquesGene transfer techniques
Gene transfer techniques
 
Bt technology present status and future prospectus
Bt technology   present status and future prospectusBt technology   present status and future prospectus
Bt technology present status and future prospectus
 
Breeding methods in cross pollinated crops
Breeding methods in cross pollinated cropsBreeding methods in cross pollinated crops
Breeding methods in cross pollinated crops
 
Flower structure
Flower structureFlower structure
Flower structure
 
Floral biology
Floral biologyFloral biology
Floral biology
 
Breeding methods in cross pollinated crops
Breeding methods in cross pollinated cropsBreeding methods in cross pollinated crops
Breeding methods in cross pollinated crops
 
Breeding techniques in self pollinated crops presentation
Breeding techniques in self pollinated crops presentationBreeding techniques in self pollinated crops presentation
Breeding techniques in self pollinated crops presentation
 
release Bt cotten in india A case study
 release Bt cotten in india A case study release Bt cotten in india A case study
release Bt cotten in india A case study
 
seed production of potato
seed production of potatoseed production of potato
seed production of potato
 

Recently uploaded

Improved Approval Flow in Odoo 17 Studio App
Improved Approval Flow in Odoo 17 Studio AppImproved Approval Flow in Odoo 17 Studio App
Improved Approval Flow in Odoo 17 Studio AppCeline George
 
An overview of the various scriptures in Hinduism
An overview of the various scriptures in HinduismAn overview of the various scriptures in Hinduism
An overview of the various scriptures in HinduismDabee Kamal
 
Graduate Outcomes Presentation Slides - English (v3).pptx
Graduate Outcomes Presentation Slides - English (v3).pptxGraduate Outcomes Presentation Slides - English (v3).pptx
Graduate Outcomes Presentation Slides - English (v3).pptxneillewis46
 
Đề tieng anh thpt 2024 danh cho cac ban hoc sinh
Đề tieng anh thpt 2024 danh cho cac ban hoc sinhĐề tieng anh thpt 2024 danh cho cac ban hoc sinh
Đề tieng anh thpt 2024 danh cho cac ban hoc sinhleson0603
 
Benefits and Challenges of OER by Shweta Babel.pptx
Benefits and Challenges of OER by Shweta Babel.pptxBenefits and Challenges of OER by Shweta Babel.pptx
Benefits and Challenges of OER by Shweta Babel.pptxsbabel
 
Poster_density_driven_with_fracture_MLMC.pdf
Poster_density_driven_with_fracture_MLMC.pdfPoster_density_driven_with_fracture_MLMC.pdf
Poster_density_driven_with_fracture_MLMC.pdfAlexander Litvinenko
 
BỘ LUYỆN NGHE TIẾNG ANH 8 GLOBAL SUCCESS CẢ NĂM (GỒM 12 UNITS, MỖI UNIT GỒM 3...
BỘ LUYỆN NGHE TIẾNG ANH 8 GLOBAL SUCCESS CẢ NĂM (GỒM 12 UNITS, MỖI UNIT GỒM 3...BỘ LUYỆN NGHE TIẾNG ANH 8 GLOBAL SUCCESS CẢ NĂM (GỒM 12 UNITS, MỖI UNIT GỒM 3...
BỘ LUYỆN NGHE TIẾNG ANH 8 GLOBAL SUCCESS CẢ NĂM (GỒM 12 UNITS, MỖI UNIT GỒM 3...Nguyen Thanh Tu Collection
 
Dementia (Alzheimer & vasular dementia).
Dementia (Alzheimer & vasular dementia).Dementia (Alzheimer & vasular dementia).
Dementia (Alzheimer & vasular dementia).Mohamed Rizk Khodair
 
Championnat de France de Tennis de table/
Championnat de France de Tennis de table/Championnat de France de Tennis de table/
Championnat de France de Tennis de table/siemaillard
 
會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽
會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽
會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽中 央社
 
SURVEY I created for uni project research
SURVEY I created for uni project researchSURVEY I created for uni project research
SURVEY I created for uni project researchCaitlinCummins3
 
How to Manage Closest Location in Odoo 17 Inventory
How to Manage Closest Location in Odoo 17 InventoryHow to Manage Closest Location in Odoo 17 Inventory
How to Manage Closest Location in Odoo 17 InventoryCeline George
 
Basic Civil Engineering notes on Transportation Engineering, Modes of Transpo...
Basic Civil Engineering notes on Transportation Engineering, Modes of Transpo...Basic Civil Engineering notes on Transportation Engineering, Modes of Transpo...
Basic Civil Engineering notes on Transportation Engineering, Modes of Transpo...Denish Jangid
 
diagnosting testing bsc 2nd sem.pptx....
diagnosting testing bsc 2nd sem.pptx....diagnosting testing bsc 2nd sem.pptx....
diagnosting testing bsc 2nd sem.pptx....Ritu480198
 
The Ball Poem- John Berryman_20240518_001617_0000.pptx
The Ball Poem- John Berryman_20240518_001617_0000.pptxThe Ball Poem- John Berryman_20240518_001617_0000.pptx
The Ball Poem- John Berryman_20240518_001617_0000.pptxNehaChandwani11
 
Andreas Schleicher presents at the launch of What does child empowerment mean...
Andreas Schleicher presents at the launch of What does child empowerment mean...Andreas Schleicher presents at the launch of What does child empowerment mean...
Andreas Schleicher presents at the launch of What does child empowerment mean...EduSkills OECD
 
MSc Ag Genetics & Plant Breeding: Insights from Previous Year JNKVV Entrance ...
MSc Ag Genetics & Plant Breeding: Insights from Previous Year JNKVV Entrance ...MSc Ag Genetics & Plant Breeding: Insights from Previous Year JNKVV Entrance ...
MSc Ag Genetics & Plant Breeding: Insights from Previous Year JNKVV Entrance ...Krashi Coaching
 

Recently uploaded (20)

Improved Approval Flow in Odoo 17 Studio App
Improved Approval Flow in Odoo 17 Studio AppImproved Approval Flow in Odoo 17 Studio App
Improved Approval Flow in Odoo 17 Studio App
 
An overview of the various scriptures in Hinduism
An overview of the various scriptures in HinduismAn overview of the various scriptures in Hinduism
An overview of the various scriptures in Hinduism
 
Graduate Outcomes Presentation Slides - English (v3).pptx
Graduate Outcomes Presentation Slides - English (v3).pptxGraduate Outcomes Presentation Slides - English (v3).pptx
Graduate Outcomes Presentation Slides - English (v3).pptx
 
Đề tieng anh thpt 2024 danh cho cac ban hoc sinh
Đề tieng anh thpt 2024 danh cho cac ban hoc sinhĐề tieng anh thpt 2024 danh cho cac ban hoc sinh
Đề tieng anh thpt 2024 danh cho cac ban hoc sinh
 
Benefits and Challenges of OER by Shweta Babel.pptx
Benefits and Challenges of OER by Shweta Babel.pptxBenefits and Challenges of OER by Shweta Babel.pptx
Benefits and Challenges of OER by Shweta Babel.pptx
 
Mattingly "AI and Prompt Design: LLMs with Text Classification and Open Source"
Mattingly "AI and Prompt Design: LLMs with Text Classification and Open Source"Mattingly "AI and Prompt Design: LLMs with Text Classification and Open Source"
Mattingly "AI and Prompt Design: LLMs with Text Classification and Open Source"
 
Poster_density_driven_with_fracture_MLMC.pdf
Poster_density_driven_with_fracture_MLMC.pdfPoster_density_driven_with_fracture_MLMC.pdf
Poster_density_driven_with_fracture_MLMC.pdf
 
BỘ LUYỆN NGHE TIẾNG ANH 8 GLOBAL SUCCESS CẢ NĂM (GỒM 12 UNITS, MỖI UNIT GỒM 3...
BỘ LUYỆN NGHE TIẾNG ANH 8 GLOBAL SUCCESS CẢ NĂM (GỒM 12 UNITS, MỖI UNIT GỒM 3...BỘ LUYỆN NGHE TIẾNG ANH 8 GLOBAL SUCCESS CẢ NĂM (GỒM 12 UNITS, MỖI UNIT GỒM 3...
BỘ LUYỆN NGHE TIẾNG ANH 8 GLOBAL SUCCESS CẢ NĂM (GỒM 12 UNITS, MỖI UNIT GỒM 3...
 
Dementia (Alzheimer & vasular dementia).
Dementia (Alzheimer & vasular dementia).Dementia (Alzheimer & vasular dementia).
Dementia (Alzheimer & vasular dementia).
 
Championnat de France de Tennis de table/
Championnat de France de Tennis de table/Championnat de France de Tennis de table/
Championnat de France de Tennis de table/
 
會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽
會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽
會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽
 
Word Stress rules esl .pptx
Word Stress rules esl               .pptxWord Stress rules esl               .pptx
Word Stress rules esl .pptx
 
SURVEY I created for uni project research
SURVEY I created for uni project researchSURVEY I created for uni project research
SURVEY I created for uni project research
 
How to Manage Closest Location in Odoo 17 Inventory
How to Manage Closest Location in Odoo 17 InventoryHow to Manage Closest Location in Odoo 17 Inventory
How to Manage Closest Location in Odoo 17 Inventory
 
Basic Civil Engineering notes on Transportation Engineering, Modes of Transpo...
Basic Civil Engineering notes on Transportation Engineering, Modes of Transpo...Basic Civil Engineering notes on Transportation Engineering, Modes of Transpo...
Basic Civil Engineering notes on Transportation Engineering, Modes of Transpo...
 
diagnosting testing bsc 2nd sem.pptx....
diagnosting testing bsc 2nd sem.pptx....diagnosting testing bsc 2nd sem.pptx....
diagnosting testing bsc 2nd sem.pptx....
 
The Ball Poem- John Berryman_20240518_001617_0000.pptx
The Ball Poem- John Berryman_20240518_001617_0000.pptxThe Ball Poem- John Berryman_20240518_001617_0000.pptx
The Ball Poem- John Berryman_20240518_001617_0000.pptx
 
Andreas Schleicher presents at the launch of What does child empowerment mean...
Andreas Schleicher presents at the launch of What does child empowerment mean...Andreas Schleicher presents at the launch of What does child empowerment mean...
Andreas Schleicher presents at the launch of What does child empowerment mean...
 
IPL Online Quiz by Pragya; Question Set.
IPL Online Quiz by Pragya; Question Set.IPL Online Quiz by Pragya; Question Set.
IPL Online Quiz by Pragya; Question Set.
 
MSc Ag Genetics & Plant Breeding: Insights from Previous Year JNKVV Entrance ...
MSc Ag Genetics & Plant Breeding: Insights from Previous Year JNKVV Entrance ...MSc Ag Genetics & Plant Breeding: Insights from Previous Year JNKVV Entrance ...
MSc Ag Genetics & Plant Breeding: Insights from Previous Year JNKVV Entrance ...
 

Male sterility

  • 1.
  • 2. MALE STERILITY IN CROP PLANT AND THEIR COMMERCIAL EXPLOITATION DEPARTMENT OF GENETICS AND PLANT BREEDING SAM HIGGINBOTTOM INSTITUTE OF AGRICULTURE, TECHNOLOGY & SCIENCES (DEEMED TO BE UNIVERSITY) ALLAHABAD – 211007 Mail Id- mail2devhingra@gmail.com Dev Hingra
  • 3. INTRODUCTION Male Sterility in Plants Male sterility is characterised by nonfunctional pollen grains, if and where produced, while female gametes function normally. Features of Male Sterility •Prevents self pollination, permits cross pollination. •Leads to heterozygosity •Female gametes function normally •Assayed through staining techniques •In nature, occur due to spontaneous mutations •Can be induced artificially
  • 4. Phenotypic Expression Of Male Sterility •Absence of male sex organs. •Lack of normal anther sac. •Inability of the pollen to mature. •Inability to develop normal pollen.
  • 5. Types of Male Sterility •Cytoplasmic male sterility (CMS) – governed by cytoplasmic genes •Genetic male sterility (GMS) – governed by nuclear genes •Cytoplasmic-Genetic male sterility (CGMS) – governed by both nuclear and cytoplasmic genes •Transgenic male sterility – induced by the technique of genetic engineering •Chemical induced male sterility – induced by the use of chemical
  • 6. Cytoplasmic Male Sterility Cytoplasmic male sterility is governed by cytoplasmic factors.In fertilization process, zygote is formed by the fusion of egg cell and one male gamete. The zygote carries equal number of chromosomes from both (male & female) gametes, but cytoplasm of egg cell (female). So, the cytoplasmic male sterility shows maternal inheritance.
  • 7.
  • 8. Application of Cytoplasmic Male Sterility in Plant Breeding It is applicable in production of hybrids in ornamental crops and vegetatively propagated crops, overall, where grain or fruit is not the economic product. Examples – Observed in sugarcane,potato,forage crops.
  • 9. Genetic Male Sterility It is governed by nuclear genes, without any influence of cytoplasm. Generally, this type of male sterility is due to recessive allele,e.g.,Barley, Mustard, Pigeon pea, Paddy, etc.In this system, seed parent (ms ms), maintainer (Ms ms) and pollinator (Ms Ms) are used.
  • 10.
  • 11. Application of Genetic Male Sterility in Plant Breeding It is applicable in production of hybrids in both, vegetatively propagated crops and crops important for fruit or seed yield. Examples – Wheat, maize, barley, sorghum, lucerne, cotton, sunflower, tomato and cucurbits.
  • 12. Cytoplasmic-Genetic Male Sterility In this system, male sterility is expresed by homozygous recessive gene in presence of sterility cytoplasm and fertility is restored by dominant allele in presence of fertile as well as sterile cytoplasm. In this system, a variety having sterile cytoplasm (S) and recessive homozygous (rr) genes, is used as seed parent and is known as 'A' line. In maintainer line ‘B‘, gene present are recessive (rr), but the cytoplasm is male fertile (F), whereas, in restorer, dominant gene (RR) are present, but the cytoplasm may be fertile or sterile.
  • 13.
  • 14. Application of Cytoplasmic-Genetic Male Sterility in Plant Breeding It is used in commercial production of hybrid seeds in maize, sorghum and bajara. Examples – It is observed in maize, sorghum, bajara, sunflower, rice and wheat.
  • 15. Transgenic Male Sterility When the male sterility is induced by the techniques of genetic engineering, it is called as transgenic male sterility. It is heritable and basically comes under genetic male sterility. In this system, the two kinds of genes are involved. One gene causes male sterility (integrated with genome of A line) while the other suppresses it (in R line).
  • 16. Chemical Induced Male Sterility The chemical which induces male sterility artificially is called as male gametocide. It is rapid method but the sterility is non- heritable. In this system A, B and R lines are not maintained. Some of the male gametocides used are gibberellins (rice, maize), Sodium Methyl Arsenate (rice) and Maleic hydrazide (wheat, onion).
  • 17. References Singh, B. D. 2005, Principles and Methods of Plant Breeding. Singh, Phundan,2010, Essential of Plant Breeding. Singh Tomar H. P. 2011, Seed Technology. www.google.com www.wikipedia.com