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Question
Brown heart rot of beets is due to deficiency of
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Solution
The correct option is D B
Boron is an essential plant micronutrient. Leaves and seeds require boron. It is necessary for uptake and utilisation of Ca++ ions, pollen germination, cell differentiation and translocation of carbohydrates. It plays a role in nitrogen metabolism, hormone and fat metabolism. Deficiency symptoms of boron are as follows-
i. It causes brown heart-rot disease in beetroots.
ii. In apple internal tissues become corky.
iii. Causes leaf to curl and become brittle.
iv. Premature fall of fruits and flowers.
Boron is an essential plant micronutrient. Leaves and seeds require boron. It is necessary for uptake and utilisation of Ca++ ions, pollen germination, cell differentiation and translocation of carbohydrates. It plays a role in nitrogen metabolism, hormone and fat metabolism.
Deficiency symptoms of boron are as follows-
i. It causes brown heart-rot disease in beetroots.
ii. In apple internal tissues become corky.
iii. Causes leaf to curl and become brittle.
iv. Premature fall of fruits and flowers.
i. It causes brown heart-rot disease in beetroots.
ii. In apple internal tissues become corky.
iii. Causes leaf to curl and become brittle.
iv. Premature fall of fruits and flowers.
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