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为了提高种子品质,防治种子病虫害,打破种子休眠,促进种子萌芽和幼苗健壮生长,中草药种子在播种前一般要进行处理。主要方法归纳如下: 1、选种:选取颗粒饱满、发育完善、大小均匀一致、不携带虫卵病菌、生活力强的种子。数量少时可手工选种,数量大时可用水选或风选。 2、晒种:播种前晒种能促进种子的生理后熟,促进种子内部新陈代谢,增强活力,提高发芽率,并起到杀菌消毒的作用。晒种一般选晴朗天气晒2~3天。在水泥地上晒种时,注意不能摊得太薄,以防烫伤种子,一般以5~10厘米为宜。每隔
In order to improve seed quality, prevent seed pests and diseases, break seed dormancy, promote seed germination and robust seedling growth, Chinese herbal seeds are generally treated before sowing. The main methods are summarized as follows: 1, selection: Select full particles, well-developed, uniform size, do not carry Oocysts bacteria, strong vitality of the seeds. A small number of hand-selected species can be used when the number of large water or wind election. 2, basking: basking before sowing can promote physiological seed ripening, promote seed metabolism, enhance vitality and improve germination rate, and play a role in sterilization. Bask in the general election sunny weather 2 to 3 days. Sun drying on the cement floor, be careful not to spread too thin, to prevent scalding seeds, generally 5 to 10 cm is appropriate. Every