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银杏为我国古老的珍贵树种,主要作为果木林经营,也可作用材和园林观赏用。银杏种仁味美,营养丰富,可供食用和药用,是我国传统出口商品。 发展银杏以往育苗中出苗率低,苗木生长缓慢。1985年采用增温催芽方法育苗,取得了显著成效。现将催芽育苗情况报告如下: 一、内容和方法 (一)种子地窖沙藏以促进后熟,保持新鲜 秋后种实采收后,脱去外种皮,用清水淘洗干净,摊晒2—3小时,待木质种皮呈白色,然后用1份种子5份湿沙拌匀,置事先挖好的地窑中埋藏。地窖选择排水良好、地下水位低的地方,窖深60厘米,宽80厘米,长视种子多少而定。窖底先铺放10厘米湿沙,窖
Ginkgo biloba is an ancient precious tree species in our country. It is mainly used as a fruit tree forest, and can also be used as ornamental materials for ornamental plants and gardens. Ginkgo seeds delicious, nutritious, available for consumption and medicinal, is China’s traditional exports. Ginkgo biloba seedlings in the past the emergence of low emergence rate, slow growth of seedlings. In 1985 the method of raising temperature germination nursery, and achieved remarkable results. The germination of seedlings are now reported as follows: First, the content and methods (A) Seed cellar sand storage to promote ripening, keep fresh After the autumn seed recovery, remove the outer seed coat, wash with clean water, spread 2 -3 hours, until the white wood seed coat is white, and then with 1 part of the seed 5 wet sand mix, set in advance dug kiln buried. Cellar selection of well-drained, low groundwater places, cellar depth of 60 cm, 80 cm wide, depending on the length of the seed may be. At the end of the pit laying 10 cm wet sand, pit