Question

Describe any two modern methods for the improvement of crop plants.

23 Dec 2017
Answer :
Word Count : 632

Hybridization:
is the process of interbreeding between individuals of different species (interspecific hybridization) or genetically divergent individuals from the same species (intraspecific hybridization). Offspring produced by hybridization may be fertile, partially fertile, or sterile.Crop yields increase dramatically when hybridization is used to exceed one or more of the parents in size and reproductive potential.
Plants hybridize much more frequently and successfully than animals do.
Let us take the example of POMATO
Pomato
is a hybrid variety of potato and tomato. It is a small tomato-like fruit, with white flesh, edible either raw or cooked.
Pomato plant produces tomatoes on the top and potatoes underground. It is created through a method called
grafting
.This is an artificial method of crop reproduction.Pomato plants have been seen as a new technology to make food production more efficient.
This has significant impacts on developing countries like Kenya, where farmers can save on space, time and labour without affecting the quality of their produce by growing pomato plants
. In addition, grafting can improve resistance to bacteria, viruses and fungi, attract a more diverse group of pollinators and provide a sturdy trunk for delicate ornamental plants.

Genetically modified crops (GMCs, GM crops,

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