人工授粉对不同品种孔雀草结实率的影响

Influence of Man-pollinating on Setting Percentage of Different Varieties Tagetes patula

对不同品种的孔雀草F2代植株进行人工授粉,对人工授粉与自然授粉花朵的结实率进行比较研究。结果表明:品种间结实率存在差异。20号品种的结实率最高,13号品种的结实率最低;除6号、7号与13号品种外,舌状花植株的结实率比筒状花植株的结实率要高;人工授粉的结实率普遍比自然授粉的结实率高,除3号与6号品种外,其中8号品种授粉处理下结实率的差异最为显著,2号品种的差异最小。

The enfluence of man-pollinating on different varieties Tagetes patula F2 generation plants was tested and compared the setting percentage of man-pollinating to that of natural pollination.The results showed that difference exists among the setting percentage of different varieties.Variety No.20 had the highest setting percentage,however,variety No.13 had the lowest.Except variety No.6,No.7,No.13＇s setting percentage of straps was higher than discoid flowers.The setting percentage of man-pollinating was generally higher than that of natural pollination,except variety No.3,No.6,and the difference of the setting percentage in variety No.8 by two pollinating disposal was the most notable,however,the difference was the lest in variety No.2.