Topic : Major Diseases of Rice Crop

 Topic : Major Diseases of Rice Crop 

• 1. Brown Spot - 

• Causal Organism : Helminthosporium oryzae  { Asked in JRF Agronomy 2017 & BHU General Agriculture}

• (Syn: Drechslera oryzae; Bipolaris oryzae) 

• Symptoms

• The fungus attacks the crop from seedling to milky stage in main field.

• Favourable Condition

• Temperature of 25-30˚C with relative humidity above 80 per cent are highly favourable. [Source: https://www.agricoachingdelhi.in/]

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2. Blast - 

• Causal Organism: Pyricularia oryzae (Syn: P. grisea)   { Asked in IBPS AFO 2014} 

• [Source: https://www.agricoachingdelhi.in/]

• (Sexual stage: Magnaporthe grisea) { Asked in JRF Plant science 2017}

• Symptoms
• The fungus attacks the crop at all stages of crop growth. 

• Symptoms appear on leaves, nodes, rachis, and glumes.[Source: https://www.agricoachingdelhi.in/]

Topic : Wheat Crop (Most Commonly cultivated wheat sp)

Topic :  Wheat Crop
Commonly cultivated wheat sp

There are 7 in the world,  only 4 is important in India,  they are:


1. Common wheat {Asked in BHU AG & IBPS AFO }

• Another name : Bread wheat
• Botanical name : T vulgare / aestivum
• Cultivated throughout India
• Most suited for chapati and bakery
• [Source: https://www.agricoachingdelhi.in/]

2. Duram wheat {Asked in JRF Agronomy 2016, BHU AG & IBPS AFO }

• Another name : Macroni wheat
• Botanical name : T durum 
• Cultivated in Central & Southern India
• Best suited for noodles, vermicelli
• [Source: https://www.agricoachingdelhi.in/]

3. Emmer wheat  [Source: https://www.agricoachingdelhi.in/]

• Botanical name : T dicoccum
• Winter / spring wheat
• Wheat suitable for Maharastra, AP & TN {Asked in JRF Agronomy 2016}
• [Source: https://www.agricoachingdelhi.in/]

4. Indian dwarf wheat (T sphaerococcum) {Asked in JRF Agronomy 2016, BHU AG & IBPS AFO }

• Another name : Shot wheat
• Practically gone out of cultivation due to low productivity

[Source: https://www.agricoachingdelhi.in/]