The overall description of major diseases of Rice or Paddy crop is ellustrated in presentation. The students prepairing for Agriculture can feel helpful. Thank You!
It is also known as Candrabhaga, Chota chand, Serpentina root & Chandrika and is one of the most important native medicinal plants of India.
The roots of sarpagandha have a 400 years history of use in treatment of snake bite, insect stings, nervous disorders and psoriasis.
Belladonna (Atropa belladonna Linn.) belongs to the family Solanaceae.
It comprises of four species, the commercial drug is obtained from the leaves, flowering tops and roots of A. belladonna Linn., commonly called as ‘Deadly Night Shade’ and A.acuminata Royle, often referred as’ Indian Belladonna’.
The overall description of major diseases of Rice or Paddy crop is ellustrated in presentation. The students prepairing for Agriculture can feel helpful. Thank You!
It is also known as Candrabhaga, Chota chand, Serpentina root & Chandrika and is one of the most important native medicinal plants of India.
The roots of sarpagandha have a 400 years history of use in treatment of snake bite, insect stings, nervous disorders and psoriasis.
Belladonna (Atropa belladonna Linn.) belongs to the family Solanaceae.
It comprises of four species, the commercial drug is obtained from the leaves, flowering tops and roots of A. belladonna Linn., commonly called as ‘Deadly Night Shade’ and A.acuminata Royle, often referred as’ Indian Belladonna’.
Periwinkle (Catharanthus roseus) belonging to the family Apocynaceae
the presence of alkaloids like ajmalicine (raubasin),serpentine and reserpine in roots, which is well known for their hypotensive and antispasmodic properties.
The Solanaceae family is also known as the Nightshade family, but has also been known as the potato family.its major disease of brinjal and tomato crop symptom,etiology,survival and management.
A disease complex is where more than one causal organism act together. In some cases, they can interact so their combined effect is greater than the sum of their individual effects.
foliage diseases are well developed and have allowed progressive vegetable growers to reduce their dependence on chemicals while improving their produce quality, and reducing their costs and the threat of chemical residues and chemical resistance
Environmental condition (Temp. and R.H.) in storage and transit have also found to play important role in the development of post harvest diseases of the fruit crops; optimum temp. and relative humidity should maintained.
Molecular Aspects of Plant Disease Management KHUSHBOODUBEY12
There is now strong evidence that plants deploy innate immune (PTI) systems.Exemplified by the nature of microbial patterns that are recognized, similar PRR types and related signaling cascades.
However, significant differences in the molecular organization of immunity in plants remain. Host cells respond to microbial infection in a cell-autonomous manner
Seed borne diseases are caused by micro-organisms infecting seeds. Seeds are attacked by various fungi, bacteria and viruses at various stages viz., in the field ,during processing, at the time of transportation, and during storage.
In future, disease forecasting systems may become more useful as computing power increases and the amount of data that is available to plant pathologists to construct models. Good forecasting systems also may become increasingly important with climate change.
Instructions for Submissions thorugh G- Classroom.pptxJheel Barad
This presentation provides a briefing on how to upload submissions and documents in Google Classroom. It was prepared as part of an orientation for new Sainik School in-service teacher trainees. As a training officer, my goal is to ensure that you are comfortable and proficient with this essential tool for managing assignments and fostering student engagement.
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2024.06.01 Introducing a competency framework for languag learning materials ...Sandy Millin
http://sandymillin.wordpress.com/iateflwebinar2024
Published classroom materials form the basis of syllabuses, drive teacher professional development, and have a potentially huge influence on learners, teachers and education systems. All teachers also create their own materials, whether a few sentences on a blackboard, a highly-structured fully-realised online course, or anything in between. Despite this, the knowledge and skills needed to create effective language learning materials are rarely part of teacher training, and are mostly learnt by trial and error.
Knowledge and skills frameworks, generally called competency frameworks, for ELT teachers, trainers and managers have existed for a few years now. However, until I created one for my MA dissertation, there wasn’t one drawing together what we need to know and do to be able to effectively produce language learning materials.
This webinar will introduce you to my framework, highlighting the key competencies I identified from my research. It will also show how anybody involved in language teaching (any language, not just English!), teacher training, managing schools or developing language learning materials can benefit from using the framework.
Introduction to AI for Nonprofits with Tapp NetworkTechSoup
Dive into the world of AI! Experts Jon Hill and Tareq Monaur will guide you through AI's role in enhancing nonprofit websites and basic marketing strategies, making it easy to understand and apply.
Synthetic Fiber Construction in lab .pptxPavel ( NSTU)
Synthetic fiber production is a fascinating and complex field that blends chemistry, engineering, and environmental science. By understanding these aspects, students can gain a comprehensive view of synthetic fiber production, its impact on society and the environment, and the potential for future innovations. Synthetic fibers play a crucial role in modern society, impacting various aspects of daily life, industry, and the environment. ynthetic fibers are integral to modern life, offering a range of benefits from cost-effectiveness and versatility to innovative applications and performance characteristics. While they pose environmental challenges, ongoing research and development aim to create more sustainable and eco-friendly alternatives. Understanding the importance of synthetic fibers helps in appreciating their role in the economy, industry, and daily life, while also emphasizing the need for sustainable practices and innovation.
Unit 8 - Information and Communication Technology (Paper I).pdfThiyagu K
This slides describes the basic concepts of ICT, basics of Email, Emerging Technology and Digital Initiatives in Education. This presentations aligns with the UGC Paper I syllabus.
Acetabularia Information For Class 9 .docxvaibhavrinwa19
Acetabularia acetabulum is a single-celled green alga that in its vegetative state is morphologically differentiated into a basal rhizoid and an axially elongated stalk, which bears whorls of branching hairs. The single diploid nucleus resides in the rhizoid.
Welcome to TechSoup New Member Orientation and Q&A (May 2024).pdfTechSoup
In this webinar you will learn how your organization can access TechSoup's wide variety of product discount and donation programs. From hardware to software, we'll give you a tour of the tools available to help your nonprofit with productivity, collaboration, financial management, donor tracking, security, and more.
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Personal development courses are widely available today, with each one promising life-changing outcomes. Tim Han’s Life Mastery Achievers (LMA) Course has drawn a lot of interest. In addition to offering my frank assessment of Success Insider’s LMA Course, this piece examines the course’s effects via a variety of Tim Han LMA course reviews and Success Insider comments.
3. Bacterial Leaf Blight: Xanthomonas oryzae pv. oryzae
Symptom of Damage
•Seedling wilt or kresek
•Water-soaked to yellowish stripes on leaf blades
or starting at leaf tips then later increase in
lengthand width with a wavy margin
•Appearance of bacterial ooze that looks like a
milky or opaque dewdrop on young lesions early in
the morning
•Lessions turn yellow to white as the disease
advances
•If the cuts end of leaf is kept in water it becomes
turbid because of bacterial ooze
4. Management
Biological and chemical Method
Spray fresh cowdung extract 20% twice (starting from initial appearance of the
disease and another at fortnightly interval)
Neem oil 60 EC 3% (or) NSKE 5% is recommended for the control of sheath rot, sheath
blight, grain discolouration and bacterial blight.
Streptomycin sulphate 90% + Tetracylin hydrocloride 10% SP
Kasugamycin 5% + Copper Oxychloride 45% WP
5. Rice Blast or Blast of Rice:
Causal agent: Pyricularia oryzae (Sexual stage: Magnaporthe grisea)
Affecting stages: All crop stages from seedling to late tillering and ear heading
stage
It is one of the most destructive Paddy diseases. The disease affects all parts of
rice plants, mainly leaves, neck and nodes. It is expected to cause grain loss by 70
– 80%.
Symptoms Of Rice Blast:
Leaf Blast Of Rice – Spindle-shaped spots with grey centre and brown margin,
later causing a ‘Blasted’ or ‘Burnt’ appearance
Neck Blast Of Rice – Greyish brown lesions on the neck, panicle breaks and fall
off
collar Blast Of Rice – Affected nodes show black lesions which later break up .
6. Symptom of damage and D.Cycle
Leaf Collar Nodal Conidia of Pyricularia
Oryzae
7. Management
Spray after observing initial infection of the disease,
Carbendazim 50WP @ 500g/ha (or)
Tricyclozole 75 WP @ 500g/ha (or)
Metominostrobin 20 SC @ 500ml/ha (or) 47
Azoxystrobin 25 SC @ 500 ml/ha
Nursery stage
Light infection - Spray Carbendazim
Flowering and after
At 5 % leaf area damage or 1 to 2 % neck infection spray Carbendazim or Tricyclazole @ 1 g /lit
of water.
8. Rice tungro disease : Rice tungro virus
(RTSV, RTBV)
Symptom of Damage
•Plants affected by tungro exhibit stunting and reduced tillering. Their leaves become
yellow or orange-yellow, may also have rust-colored spots.
•Discoloration begins from leaf tip and extends down to the blade or the lower leaf portion
•Delayed flowering, - panicles small and not completely exerted
•Most panicles sterile or partially filled grains
9. Management
Physical Method
Light traps are to be set up to attract and control the leaf hopper vectors as
well as to monitor the population.
In the early morning, the population of leafhopper alighting near the light
trap should be killed by spraying/dusting the insecticides. This should be
practiced every day.
Spray Two rounds of any one of the following insecticides
Thiamethoxam 25 WDG 100g/ha
Imidacloprid 17.8 SL 100ml/ha
at 15 and 30 days after transplanting. The vegetation on the bunds should
also be sprayed with the insecticides.
10. Rice Brown Spot:Helminthosporium oryzae
Affecting Stages: Seedling to milky stage
Symptoms Of Rice Brown Spot:
Oval or cylindrical dark brown spots with a yellow halo
Infection of florets can lead to incomplete grain filling and reduced grain
quality
Favourable Conditions for Rice Brown Spot:
Relative Humidity above 86 – 100%, a temperature of 16 – 36°C, and infected
seeds, weeds, and infected stubbles are some conditions favourable for
disease infection
12. Chemical Management for Rice Brown
Spot:
Product Name Technical content
Tilt Fungicide Propiconazole 25%EC
Contaf Plus Fungicide Hexaconazole 5 % SC
Merger Fungicide Tricyclazole 18 % + Mancozeb 62 % WP
Godiwa Super Fungicide
Azoxystrobin 18.2% + Difenoconazole
11.4% SC
13. False Smut Of Rice-Ustilaginoidea virens
Affecting stages: Flowering stage to maturity
Symptoms Of False Smut Of Rice:
Spikelets have orange or greenish-black velvety smut balls
This leads to chaffy grains
Favourable Conditions For False Smut Of Rice:
A temperature of 25 – 35°C, Relative Humidity above 90%, high nitrogen
fertilization, heavy rainfall and winds are favourable conditions for false smut
infection
15. Chemical Management for False Smut Of
Rice
Product Name Technical content
Amistar top fungicide
Azoxystrobin 18.2% + Difenoconazole
11.4% SC
Roko Fungicide Thiophanate Methyl 70% WP
Custodia Fungicide
Azoxystrobin 11% + Tebuconazole 18.3%
SC
Bcontrol fungicide Validamycin 3% L
16. Sheath Blight Of Rice -Rhizoctonia solani
Affecting Stages: Tillering to heading
Symptoms Of Sheath Blight Of Rice :
Initially, greenish-grey oval or elliptical lesions appear on the leaf sheath near
the water level
Later, it forms irregular lesions with a greyish-white centre and brown margin
Favourable Conditions for Sheath Blight Of Rice :
The disease spread is more frequent during rainy seasons. High temperature,
High Relative humidity, high nitrogen fertilization, and closer planting are
favourable conditions for sheath blight infection.
