Plants can be made disease resistant by___________________?
Correct answer: C. Breeding with the wild variety
- A. Colchicines treatment
- B. Heat treatment
- C. Breeding with the wild variety
- D. Hormone spray
Explanation
Breeding cultivated plants with resistant wild relatives can introduce genes for disease resistance, after which selection fixes the useful trait. Colchicine mainly changes chromosome number and does not specifically provide disease resistance.
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