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在umea°附近的一个种子园内,用取自标记无性系的三颗植株与邻近10颗嫁接植株上的2000粒种子,作三个位点一亮氨酸氨基肽酶(LAP)B、谷氨酸草酰乙酸转氨酶(GoT)A与B的基因型分析。在这三颗植株上采收的种子的基因型频率发现具有显著差异。由于能育花粉云的差异,在植株树冠不同水平的部位间存在着变异。花粉的传播似乎取决于树木雄花和雌花开花时间的相符,扬粉树到授粉树的距离及开花期的风向。在有利条件下,邻株接受到标记植株的能育花粉的31%6。标记无性系的自花授粉种子的平均自交率粗略估计为6%,而树冠顶部的频率最低。
In a seed orchard near umea °, three loci, leucine aminopeptidase (LAP) B, were used for three seeds from the clones of the marker clones and 2000 seeds from 10 grafted plants in the vicinity Genotypic analysis of amino acid oxaloacetate transaminase (GoT) A and B. Significant differences were found in the genotype frequencies of seeds harvested on all three plants. Due to differences in fertile pollen clouds, there are variations in different levels of plant canopy. The transmission of pollen seems to depend on the match of flowering time between the male and female flowers of the tree, the distance between the flour tree and the pollinating tree, and the wind direction at the flowering stage. Under favorable conditions, the neighboring plants received 31% of the fertile pollen of the marker plants 6. The average rate of selfing of self-pollinated seeds with the marker clones was roughly estimated at 6%, while the crown top had the lowest frequency.