黄花梨授粉能力的测定黄花梨自花授粉结实率很低，为此１９９２年我们对黄花梨授粉能力进行了室内和田间测定。１黄花梨花粉发芽情况于初花期采集花粉，在２４℃温箱中经５小时，发芽率高达９４．７％，花粉管长度达到花粉粒直径的５～１２倍，而且即使在室温条件下，也有... Pear pear pollination determination of self-pollinated pear flower seed setting rate is very low, for which we pollinate pear in 1992 conducted an indoor and field tests. 1 Pear pollen germination situation Pollen collected at early flowering stage, in the 24 ° C incubator after 5 hours, the germination rate was as high as 94.7%, pollen tube length reached pollen grain diameter of 5 to 12 times, and even at room temperature, There are also ...