Question

What are the reasons for crop variety improvement?

Answer 1

Crop improvement involves genetic alteration of plant species so that it may prove useful and valuable to humans.(Genetically modified crops) In this, a foreign valuable gene is incorporated in plants to get benefits. Example is Bt cotton. This is a bacterium in soil which kill many insect pest so a gene for this protein is taken and introduce in cotton plants. Now, plants become resistant to insect pest. So, Genetically modified crops are need of time

Answer 2

The main reasons for crop variety improvement are:---
1.increase crop yield
2.improve quality of the crop products
3.Develop varieties resistant to biotic and abiotic factors.
4.develop crop with shorter durations of cultivation.