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本文通过对八渡油松种子园连续4年的观察,掌握了油松嫁接母树开始开花年龄和开花时间;研究了不同无性系雌雄球花期的变化及其同步性等问题;结合气象因素,分析了温、湿度、降雨等对雌雄花期的影响。
In this paper, we observed the blooming age and flowering time of Pinus tabulaeformis seedlings for four consecutive years and studied the changes and synchronicity of the flowering date of the male and female bulbs in different clones. Combined with the meteorological factors, The temperature, humidity, rainfall and other male and female flowering.