Advertisements
Advertisements
प्रश्न
What is emasculation?
Advertisements
उत्तर
Emasculation is the process of removing stamens from the female parent flower before they have burst and shed their pollen, done to prevent self-fertilisation during hybridisation in plants. It ensures that only the desired pollen from another plant fertilises the flower.
APPEARS IN
संबंधित प्रश्न
How has mutation breeding helped in improving the production of mung bean crop?
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.
What is Biofortification? Explain selective breeding with suitable example.
Answer each question in ‘One’ sentence only:
Define stock and scion.
Describe briefly various steps of plant breeding methods.
Importing better varieties and plants from outside and acclimatizing them to the local environment is called
In hybridization experiments 'true breeding' means off-springs show ____________.
Sonora – 64 is a variety of ______.
The plant which is used for Studying hybrid vigour or heterocyst:
It is said, that diseases are spreading faster due to globalisation and increased movement of people. Justify the statement taking the example of H5N1 virus.
