HORTICULTURE SCIENCE
CROP PHYSIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Citrus growers and the U.S. Horticultural Research Laboratory have been studying the disease citrus blight since what year?
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1900
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1890
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1920
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1892
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Explanation:
Detailed explanation-1: -Calcium deficiency symptoms appear initially as localized tissue necrosis leading to stunted plant growth, necrotic leaf margins on young leaves or curling of the leaves, and eventual death of terminal buds and root tips.
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