Deficiency of which of the following element cause weakening of pedicel and petiole?
A
Magnesium
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B
Zinc
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C
Nitrogen
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D
Calcium
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Solution
The correct option is D Calcium Calcium is an important constituent of plant cell walls. Calcium in the form of calcium pectate is required to form middle lamella between plant cells. Deficiency of calcium will lead to weakening of pedicel and petioles.