Spraying sugarcane crop with a plant hormone increases the length of the stem, thus increasing the yield by as much as 20 tons per acre. The plant hormone is
Auxin
Abscisic acid
Gibberellins
Ethylene
As we learn
Plant factors influencing rate of photosynthesis -
Variegated leaves produce less organic food as compared to completely green leaves due to less amount of chlorophyll.
Cytokinins and gibberellins increase the rate of photosynthesis but abscisic acid reduces it.
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