Annual rye grass releases a chemical through its root that prevents________________?
Correct answer: A. Both a and b
- A. Both a and b
- B. weed seed
- C. Crop seeds
- D. non of these
Explanation
Annual ryegrass can release root-associated allelochemicals that inhibit the germination and early growth of both crop and weed seeds. This suppressive effect is an example of allelopathy.
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