论文部分内容阅读
以4种火棘属植物为试材,采用联苯胺-过氧化氢法和TTC法对火棘、全缘火棘、细圆齿火棘与细圆齿火棘细叶变种的柱头可授性和花粉活力分别进行了测定,旨在探讨花龄对火棘花粉活力及柱头可授性变化规律。结果表明:火棘雌雄性器官的育性具有同步性,有利于自然授粉结实;所试材料的花粉活力柱头可授性变化趋势一致,开花后1~2d花粉活力均最强,然后逐渐下降,花粉寿命为5~6d;所试材料均在开花后2~3d内柱头分泌粘液较多,可授性最强,可授期为3~4d;人工辅助授粉花粉收集的最佳时期为花后第1~2天,最佳授粉时期为花后第2~3天。
Using four kinds of Pyracantha as test material, stigma receptivity of Pyracantha fortuneana, Pyracantha fortuneana, Pyracantha fortuneana and Cinquefoma pyroltii were determined by benzidine-hydrogen peroxide method and TTC method And pollen vitality were measured, aimed to explore Hua Ling on Pyracantha pollen viability and stigma receptivity changes. The results showed that the fertility of male and female sexual organs of Pyracantha fortuneana was synchronous and conducive to pollination and fruiting. The variation of stigma receptivity of pollen viability was the same, the pollen viability was the strongest at 1 ~ 2 d after flowering, then decreased gradually, and pollen Life expectancy was 5 ~ 6d; the tested materials were all within 2 ~ 3d after anthesis, there were more mucus secreted from the stigma, which could be granted for 3 ~ 4 days. The best time for collection of artificial pollination pollen was: 1 ~ 2 days, the best pollination period is 2 ~ 3 days after anthesis.