Effect of different methods of pollination on sunflower seed production [in Bangladesh]
1989
Alam, M.Z. | Islam, M.N. | Quadir, M.A.
An investigation was carried out at IPSA to study the effect of different pollinating methods seed production of sunflower. The treatments were caged bee pollination, hand pollination, open pollination, self pollination and control. The seed yield contributing characters, namely, number of filled and unfilled seeds per disc, total and zone wise 1000 - seed weight of the disc and ratio of kernel and husk were taken into consideration. In all the parameters tested, the caged bee pollination performed significantly better in comparison to other treatments. Very poor performances were obtained in seed pollinated and control plants minor variation between them. Open pollination accomplished better than hand pollination, self pollination and the control and was ranked second. Therefore, the presence of honeybee either in cage or in open condition played a deciding role on the seed yield contributing characters of sunflower.
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