Discuss the role of hybridisation in crop improvement.
ScienceClass 9CBSEAnswered 27 Mar 2026
Answer
Hybridization is a method of crossing two dissimilar varieties to get desirable characters in the off-springs. Hybridization improves the crop in following attributes
High yield: Hybridization helps to improve crop yield
Pest resistance: Crop can obtain pest resistance by incorporating pest resistance genes. Ex: BT Cotton Draught resistance: Plants obtain draught resistant genes from draught resistant varieties.
Disease resistance: Plants can be immune to certain disease against which genes are incorporated.
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