Crop variety improvement

Crop improvement is possible through

The branch of biology which deals with improvement of plant variety

Assertion : The purpose of crop improvement is to develop varieties with desirable characters. Reason : Plant breeders are concerned with crop improvement.

Explain the process of artificial hybridisation to get improved crop, variety in (i) plants bearing bisexual flowers (ii) female parent producing unisexual flowers.

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

Methods used for crop improvement are:

Polyploidy In Crop Improvement

The methods of crop improvements are

Which is the oldest method of crop improvement ?