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本文以银杏为实验对象,对于因植物雌雄性别的不同,酶的活力有何差异,以至于在幼苗期能否用同功酶法判别雌雄性别的问题,作了探讨。采用已经开花、结实,树龄在20年以上的银杏雌雄树各20株,分别在萌芽期(5月1日前后)、盛叶期(6月6日前后)和即落叶之前(10月9日前后),以正在生长的刚展
In this paper, Ginkgo biloba as the experimental object, for the plant male and female different, the enzyme activity difference, so that in the seedling stage can be used to determine the distinction between male and female enzyme problem, were discussed. 20 species of ginkgo male and female trees, which have been blossoming and sturdy at the age of more than 20 years, were respectively collected in the budding period (before and after May 1), the full leaf stage (before and after June 6) and before the deciduous (October 9 Before and after) to just grow just show