Advertisements
Advertisements
प्रश्न
The term ‘desirable trait’ can mean different things for different plants. Justify the statement with suitable examples.
उत्तर
In millets, resistance to water stress is desirable trait while in mung bean, resistance to yellow mosaic*virus and powdery mildew are desirable traits.
APPEARS IN
संबंधित प्रश्न
Vijaya, Padma, Kanti and Jayanti are high-yielding varieties of ______.
Give the names of ‘two’ insect-resistant crop varieties.
In an agricultural field there is a prevalence of the following organisms and crop diseases which are affecting the crop yield badly:
(a) White rust
(b) Leaf and stripe rust
(c) Black rot
(d) Jussids
Recommend the varieties of crops the farmers should grow to get rid of the existing problem and thus improve the crop yiel.
In hybridization experiments 'true breeding' means off-springs show ____________.
The biggest constraint of plant breeding is:
Name a man-made cereal? Trace how it was developed and where is it used?
What is emasculation? Why and when is it done?
Give two important contributions of Dr. M. S. Swaminathan.
Name two better yielding varieties of rice developed in India.
What are A, B in the following table:
| Transgenic Crop | Substance | Transgene | |
| (i) | A | Flavonoids | Chalone isomerase |
| (ii) | Rice | B | Ferritin |
