FORESTRY
PLANT 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: -To prevent self-pollination of the selected seed parent, the anthers (pollen sacs) must be removed from the blooms before any pollen is released (Fig. 1). This is best accomplished at sunrise when blooms are in the one-third to one-half open stage.
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