Disease resistant voties can be produced by:
(a) Crossing a plant with wild variety
Treating with hormones
(b) Treating with colchicines
(d) Treating with low tempera
Answers
Answer:
disease resistant varieties can be produced by crossing a plant with wild variety
Explanation:
Classical plant breeding uses deliberate crossing of closely or distantly related individuals to produce new crop varieties or disease-resistant high yielding plants.
Plants are crossbred to introduce traits/genes from one variety or line into a new genetic background.
The goal of the cross being to introduce disease resistance without losing the high-yield characteristics.
Progeny from the cross would then be crossed with the high-yielding parent to ensure that the progeny were most like the high-yielding parent, (backcrossing).
The progeny from that cross would then be tested for yield and disease resistance and high-yielding resistant plants would be further developed.
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