常見例句雙語例句It was revealed that the emptied seeds were mainly due to the self pollination through the experiments of open and self pollination.種內(nèi)自由授粉和自交的對比試驗(yàn)顯示,空粒種子產(chǎn)生的主要原因是自交。The mean number of pollen grains per stigma is 8—12 Most of the pollen grains are from self pollination. The pollen vigour is strong in the pollinating period.柱頭上的平均花粉量為8— 2 1個(gè),但多數(shù)為來自自花的花粉,散粉期花粉活力較高。Seed set could be found out both in cross and self-pollination(different individuals within one cultivar ) plants, while 1000-seed weight was lower in self pollination.同花序自交不親和,雜交和自交(同品種不同單株)都可以產(chǎn)生種子,但自交種子千粒重低; 返回 self pollination