自然异交率

1

白花作为油菜的一个重要性状，目测极易鉴别，在测定品种的自然异交率及纯度，检测性状转移等方面有着广阔的应用前景。

White petal which is an important trait and easy to be distinguished from yellow petal has a vast application foreground in determining variety 's purity and nature cross-pollination rate as well as traits transferring , and so on .
2

野慈姑自然群体异交率的定量估测。

Quantitative estimates of outcrossing rates in natural populations of Sagittaria trifolia linn .
3

试验结果表明，雄性不育系不育度达到99.0%.制种田不育株自然异交结实率可达99.5%以上。

The results showed that male sterility of male sterile line reached to 99 . 0 % , and the percentage of natural cross pollination was over 99 . 5 % under the fild conditions .