Question

________plant release toxic substances into the soil, which inhibit the growth of weeds
a.parthenium
b.ribwort plantain
c. sunflower
d. Amaranthus​

Answer 1

Answer:

Allelopathic plants release chemical compounds from their roots into the soil, and these chemicals suppress or even kill the neighboring plants when they are absorbed by the plants. The harmful chemicals released by allelopathic plants are known as allelochemicals.

Answer 2

Answer:

c) Sunflower plant releases toxic substances into the soil, which inhibit the growth of weeds

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