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西洋梨一般都具有自花不实的习性,必须授以其它品种的花粉才能结实。所以栽结上需要混植授粉树或高接部分授粉品种。此外,还可以看到西洋梨不同品种间也有授粉不亲和现象,然而确切证实这个情况的报告并不多。经过观察,我们发现了几个不结实的组合。需要指出,西洋梨既有象授粉不亲合的受精生理那样的问题,也有栽培上的问题。关于着果不良的原因,因树种而异,这里仅叙述西洋梨的原因及其防治措施。
Pear generally have the habit of self-cultivation, polo ralph lauren pas cher, must be given other varieties of pollen to be strong. So planted on the need for planting pollination trees or high-pollination of some varieties. In addition, you can also see that there are also pollination incompatibility among different varieties of pear. However, there are not many reports confirming this situation. After observation, we found several unrealistic combinations. It is important to point out that both pears have both physiological and physiological problems like incompatibility with pollination. Reasons for poor fruit, due to tree species vary, here only describes the reasons for pear and its prevention and treatment measures.