Question

Explain the various methods of crop improvement. Name one improved variety of Rice, Maize, Soyabean, Sunflower and Mustard.

Answer 1

Answer:

use natural fertilizers

Explanation:

because by the excessive use of artificial fertilizers the crop get

Answer 2

Methods of crop improvement.

1. Selection
2. Hybridization
3. mutation breeding
4. Polyploidy breeding
5. Tissue culture
6. rDNA technology.

Improved Varities

Rice-Vijaya , padma

Maize -Panchganga,Suger 75

Soyabean-Gaurav Gs 72-44

Sunflower-Bangalore sunflo hybrid 1

Mustard-Pusa gaurav