另外，经分析可知，强迫自交的结实率比自由授粉的结实率要低。
In addition, the analysis showed that the forced self-setting rate is lower than the free pollination.
在温室大棚设施栽培条件下开展杂交、自交、自由授粉，野外昆虫辅助授粉。
Cross, self and opening pollination were conducted in the green house, the subsidiary pollination by insects was carried out outdoors.
以自由授粉群体和品系间杂种为对照，研究了甘蓝型油菜连续自交后代在胚胎发育上表现的效应。
The effects of successive inbreeding progenies of Brassica napus L. on the embryo development were studied in comparison with the open-pollinated population and hybrids from inbred lines.
本文介绍了连续两年用11个优良种源的155个自由授粉家系为材料进行的种源—家系配合试验的结果。
The paper introduced the coordination experiment results on white Elm provenance and family, which are carried on the 155 open pollination materials from 11 superior provenances for two year's study.
本文介绍了连续两年用11个优良种源的155个自由授粉家系为材料进行的种源—家系配合试验的结果。
The paper introduced the coordination experiment results on white Elm provenance and family, which are carried on the 155 open pollination materials from 11 superior provenances for two year's study.
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