Colville also determined that blueberries can't self-fertilize, so the grower must make sure the crop can be cross-pollinated.
同时,康维尔谈到蓝莓不能自花传粉,所以种植者必须保证蓝莓可以交叉传粉的条件。
2
It is a mechanism that helps prevent self-pollination and is most common among wind-pollinated and unspecialized insect-pollinated flowers, as in figwort.