what is crop variety improvement
Answers
Answer:
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:
A single variety of crop does not possess all the desirable characteristics. Thus, it is necessary to improve the crop variety. This is done to get better varieties of crops with the desired qualities. Two fundamental approaches are adopted to get the desirable characteristics in a single variety. These are:
Hybridization
Genetic engineering