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प्रश्न
In an agricultural field there is a prevalence of the following organisms and crop diseases which are affecting the crop yield badly:
- White rust
- Leaf and stripe rust
- Black rot
- Jussids
Recommend the varieties of crops the farmers should grow to get rid of the existing problem and thus improve the crop yield.
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उत्तर
| Resistance to diseases/insect pest | Variety | Crop | |
| (a) | White rust | Pusa swarnim (Karan rai) | Brassica |
| (b) | Leaf and stripe rust | Himgiri | Wheat |
| (c) | Black rot | Pusa shubhra Pusa snowball K-1 | Cauliflower |
| (d) | Jassids | Pusa sem-2 | Flat bean |
The above-mentioned crop varieties should be grown by the farmers to get rid of the existing problem and thus improve the crop yield because they are resistant to the given crop diseases or organisms.
संबंधित प्रश्न
Identify 'A', 'B', 'C' and 'D' in the given table.
| Crop | Variety | Resistance to disease |
| A | Himgiri | Leaf rust |
| Cauliflower | Pusa Shubhra | B |
| Brassica | Pusa Swarnim | C |
| Cowpea | D | Bacterial blight |
In Brassica (rapeseed, mustard)........................ varietys is resistant to Aphids.
(a) Pusa A-4
(b) Pusa Gaurav
(c) Pusa Sawni
(d) . Pusa Shubra
Definition and importance of Imbibition
Answer each question in ‘One’ sentence only:
Define stock and scion.
Describe briefly various steps of plant breeding methods.
Which one of the following crop varieties correct matches with its resistance to disease?
| Variety | Resistance to disease |
| a) Pusa Komal | Bacterial blight |
| b) Pusa Sadabahar | White rust |
| c) Pusa Shubhra | Chilli mosaic virus |
| d) Brassica | Pusa swarnim |
Explain the best-suited type followed by plant breeders at present?
Breeding of crops with high levels of minerals:
Match the columns-
| Column A | Column B | ||
| A. | Kalyan Sona | 1. | Rice |
| B. | Pusa sawani | 2. | Wheat |
| C. | IR - 8 | 3. | Okra |
Name a man-made cereal? Trace how it was developed and where is it used?
