Fusarium wilt of brinjal is caused by the soil-borne fungus Fusarium solani. It was first reported in Turkey in 2002. The fungus infects brinjal and other crops like tomato, tobacco, and legumes through roots and causes yellowing of lower leaves, wilting, and brown discoloration of vascular tissue. F. solani survives in soil as mycelium and spores and spreads through soil, water, and infected transplants. Management strategies include using disease-free seeds and transplants, rotating crops, removing infected plants, and adjusting soil pH and fertilizer.
BLAST AND LEAF SPOT OF FINGER MILLET or RAGI or MANDUWA or NAACHNI, प्राचीन काल से ही हमारे देश में पारम्परिक मोटे अनाज जैसे कि ज्वार, जौं, मक्का आदि का सेवन किया जाता रहा है। इन्हीं मोटे अनाजों में से एक है रागी। यह अनाज सेहत के लिए बहुत ही लाभकारी है
Here is the brief description of guava wilt and cotton wilt. This presentatation was presented by Bipin karki,BIjendra pradhan, Bivek Gyawali and Dorna Giri at IAAS Paklihawa.
This power-point provides general knowledge on the major wheat disease as
Common bunt of wheat
Fusarium head blight of wheat
Loose smut of wheat
Stagonospora nodorum blotch of wheat
Bacterial streak of wheat
Barley yellow dwarf virus of wheat
Leaf rust of wheat
Stem rust of wheat
Stripe rust of wheat
Powdery mildew of wheat
Septoria tritici blotch of wheat
Stagonospora nodorum blotch
Tan spot
Wheat soilborne mosaic
Wheat spindle streak mosaic
Wheat streak mosaic
Cephalosporium stripe
Common root rot
Fusarium root,
crown, and foot rots
Take-all of wheat
BLAST AND LEAF SPOT OF FINGER MILLET or RAGI or MANDUWA or NAACHNI, प्राचीन काल से ही हमारे देश में पारम्परिक मोटे अनाज जैसे कि ज्वार, जौं, मक्का आदि का सेवन किया जाता रहा है। इन्हीं मोटे अनाजों में से एक है रागी। यह अनाज सेहत के लिए बहुत ही लाभकारी है
Here is the brief description of guava wilt and cotton wilt. This presentatation was presented by Bipin karki,BIjendra pradhan, Bivek Gyawali and Dorna Giri at IAAS Paklihawa.
This power-point provides general knowledge on the major wheat disease as
Common bunt of wheat
Fusarium head blight of wheat
Loose smut of wheat
Stagonospora nodorum blotch of wheat
Bacterial streak of wheat
Barley yellow dwarf virus of wheat
Leaf rust of wheat
Stem rust of wheat
Stripe rust of wheat
Powdery mildew of wheat
Septoria tritici blotch of wheat
Stagonospora nodorum blotch
Tan spot
Wheat soilborne mosaic
Wheat spindle streak mosaic
Wheat streak mosaic
Cephalosporium stripe
Common root rot
Fusarium root,
crown, and foot rots
Take-all of wheat
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Diogo Sousa, Engineering Manager @ Canonical
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S.mythili 2015021085-fusarium wilt of brinjal
1. COLLEGE OF AGRICULTURAL TECHNOLOGY
(Affiliated to Tamil Nadu Agricultural University, Coimbatore-3)
Kullapuram (Po),ViaVaigai Dam, Theni-625 562
FUSARIUM WILT OF BRINJAL
Submitted by Course teacher
S.MYTHILI Dr.Parthasarathy.S
2015021085 Assistant Professor (Plant Pathology)
2. Fusarium wilt of brinjal
Fusarium solani
History
It was first reported in south of Turkey in 2002
Pathogen
3. Host and distribution
• Tomato, Tobacco, Legumes, Cucurbits, Sweet
potatoes and Banana are a few of the most susceptible
plants, but it also infect other herbaceous plants.
4. Symptoms
• Yellowing of lower
leaves.
• Leaves are droop, wilt
and die.
• Brown discoloration in
vascular tissue
www.nexles.com
6. Systematic position
Kingdom: Fungi
Division: Ascomycota
Class: Sordariomycetidae
Subclass: Hypocreomycetidae
Order: Hypocreales
Family: Nectriaceae
Genus: Fusarium
Species: F. solani
7. Pathogen
• F. solani has no known sexual stage, but produces
three types of asexual spores-microconidia,
macroconidia and chlamydospores.
• The microconidia are the most abundantly produced
spores.
• They are oval, elliptical or kidney shaped and
produced on aerial mycelia.
8. • Macroconidia, which have three to five cells and have
gradually pointed or curved edges, are found on
sporodochia on the surface of diseased plant (in culture
the sporodochia may be sparse or nonexistent).
• Fusarium chlamydospores are usually formed singly or
in pairs, but can sometimes be found in clusters or in
short chains.
• They are round thick walled spores produced within or
terminally on an older mycelium or in macroconidia.
10. Disease cycle
• F. solani is a common soil pathogen
and saprophyte that feeds on dead and decaying
organic matter.
• It survives in the soil debris as a mycelium and all
spore types, but is most commonly recovered from
the soil as chlamydospores.
11. • This pathogen spreads in two basic ways: it spreads
short distances by water splash and by planting
equipment and long distances by infected transplants
and seeds.
F. solani infects a healthy plant by means of mycelia
or by germinating spores penetrating the plant root
tips, root wounds or lateral roots.
The mycelium advances intracellularly through
the root cortex and into the xylem.
12. • Eventually the spores and the mycelia clog the
vascular vessels, which prevents the plant from up-
taking and translocating nutrients.
• In the end the plant transpires more than it can
transport, the stomata close, the leaves wilt, and the
plant dies.
• After the plant dies the fungus invades all tissues,
sporulates and continues to infect neighbouring
plants.
13. Favourable Conditions
• The development of these disease is favoured by high
temperature and warm moist soil.
14. Mode of spread
• Primary spread- Soil borne chlamydospores.
• Secondary spread- Water borne conidia.
15. Management
• Purchase disease free seeds.
• Clean soil and plant debris off all equipment prior to
moving to a new field.
• Completely remove infected plants. Burn or burry
plants in an area that will not be used for solanaceous
crops.
16. • Rotation away from susceptible crops for 3-5 years
will reduce disease, but careful weed management
must be done during this period.
• Use of calcium nitrate fertilizer instead of ammonium
nitrate can reduce Fusarium disease severity in some
soils.
• In acidic soils, raising the soil pH to 7 can help to
control the disease incidence.