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银杏树有雌雄之分,雄株很少或不结果,所以一般以栽雌株为主。雌雄株形态上的区别主要有以下六点。 1.雄株比雌株春季发芽早,而秋叶变色期及脱落期又比雌株晚一些。 2.雄株的主枝与主干夹角小,多在30度左右,主枝多挺直向上生长,树冠形成较迟;雌株的主干与主枝夹角大,一般可达50度,向四方平展,有时主
Ginkgo trees have male and female points, little or no male plant results, it is generally planted female plant-based. Male and female plant morphology differences mainly have the following six points. 1. The male plants germinated earlier than the female plants in the spring, while the autumn leaves were discolored and shed off later than the female plants. 2. The angle between the main branch of the male plant and the trunk is small, mostly about 30 degrees. The main branch grows uprightly and the crown forms later. The angle between the main branch and the main branch of the female plant is large, generally up to 50 degrees. Quartet flat, and sometimes the Lord