A farmer insisted that he did not want to use the manual method for removing weeds or use weedicides, in his field but instead plant more of sunflower or soya bean plants in between the crop plants. What do you think could be a reason for this?(Refer to the clue given.)
CLUE-Allelopathic crops-SUNFLOWER(Allelopathy is a biological phenomenon where one plant inhibits the growth of another. How? Through the release of allelochemicals, certain plants can greatly affect the growth of other plants either in a good or bad way).
Answers
Answer:
Enzymes that are given out by plants.
Explanation:
Certain enzymes are given out in the form of gas from a plant and when that gas in taken in by the other plants near it, it can increase or decrease the growth of the plant significantly. In the above case, sunflower gives out the enzyme that inhibits the growth of a plant, especially weeds.
Sunflower and soybean plants inhibit the growth of weeds
The places where sunflowers and soybean plants are germinated that start creating a certain chemical that is released in the soil and this chemical leads to inhibition of germination of weeds in a particular area around these plants. We always find that there is a strict competition between these plants for growth in a certain area.
So places where sunflowers grow better weeds are seldom found.These plants that stop the growth or germination of unwanted plants like weeds are basically known as allelopathic plants due to the properties they Possess.
These plants are strategically placed between the plants that are less affected by this nature of sunflower and soybean plants and are able to germinate in that region. it is normally seen that a rose plant would go unaffected by the presence of these plants.
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