Question

Why the leafs of the plants appear yellow instead of their natural green colour?

How to prevent it ?

Answer 1

due to the presence of starch in them which when sheded with a cloth or any opaque material only with dark materials will turn it dark and by boiling in water and then alcohol and then washing it with water and after it sprinkle iodine in a dark room it should be their only this was an activity.

hope you like this.

Answer 2

HEYA FRND!!!!!☺

Plants appears yellow instead of their natural green colour because of the following reasons :-

1) Over watering
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Prevention - Don't give excess water to plants

2) Poor soil
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Prevention - Plants need 13 essential nutrients from soil. So, for the prevention add sand into the soil.

3) Pest problem
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Prevention - keep leaves away from insects by spreading some chemicals

4) Lack of sunlight
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Prevention - don't keep the plants away from sunlight or where there is little amount of sunlight. Keep it where the sunlight is more.

THIS ALSO OCCURS BY SOME OTHERS PROBLEMS LIKE :-

5) Lack of nitrogen deficiency
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Prevention - by adding manure or tea or coffee leaves

6) Lack of iron deficiency (not sure)
____________________________
Prevention - reduce amount of phosphorus in soil

7) Lack of potassium deficiency
__________________________
Prevention - by adding compost

Leaves turns yellow also because of the excretion which occurs in plants. The diffuse the major wastes like O2, CO2, H2O which are produced by some metabolic activities by the process of photosynthesis.

HOPE THIS HELPS.......

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