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Impact of Insect Pollinators on Sesame Production (Paperback)
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Impact of Insect Pollinators on Sesame Production (Paperback)
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In Egypt, sesame is considering a food crop rather than oilseed
crops because most of its seeds consumed directly. It is grown in
many Governorates, and ranks first among the cultivated oil crops
in Ismailia Gov. Co-evolution of flowering plants and their
pollinators started about 225 million years ago. Insufficient
number of suitable pollinators causes decline in fruit and seed
production. Of the total pollination activities, over 80% is
performed by insects and bees contribute nearly 80% of the total
insect pollination, and therefore, they are considered the best
pollinators. Sesame's blossom structure facilitates
cross-pollination, even though the crop is usually viewed as
self-pollinating. The rate of cross-pollination lies between 0.5%
and 65% depending on insect activity, environmental conditions and
availability of other vegetation. The cross pollination rates were
between 2.7 and 51.7% in Nigeria. Both open pollination and bee
pollination treatments were effective to increase the seed yield of
sesame upto 22 to 33 percent more than that in "pollination without
insects."
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