A) More yield
B) Better quality
C) Stress resistance
D) All of these
Correct Answer: D
Solution :
Plant breeding is the branch of biology concerned with changing the genotype of plants, so that they become more useful man. Objectives of plant breeding are : [a] Development of high yielding varieties [b] To improve quality of crop plants. [c] Development of disease and insect resistant plants, [d] Change in matrity duration of some crops [e] Modification of agronomic characters such as plant height, tillering etc. [f] Development of photon sensitive and the rmointensive varieties. [g] Development of varieties with determinate growth. [h] Development of varieties with moisture stress and salt tolerance for rain fed areas and for saline soils. [i] Elimination of toxic substances such \[\text{ }\!\!\beta\!\!\text{ }\]N-oxalylamine alanine from khesari and erucic acid from Brassica oil.
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