如何进行种子的贮藏?
种子采收后,首先要进行清洁处理,连株拔回的需晾干脱粒,连果实采收的要去杂去壳,清除各种附着物。在清洁处理过程中,必须注意需暴晒的一定要连壳晒,或者连株暴晒,或稍加覆盖后晒,或在通风处阴干,总之避免种子直接裸露暴晒于阳光下,否则会影响种子的生命力,丧失发芽力。
种子清洁后,必须立即妥善贮藏。种子贮藏的原则是减低种子的呼吸作用,以减少消耗,保持种子的生命力。理想的贮藏条件是密闭的低温、低湿条件,以使种子呼吸作用得到抑制。
常用的方法有干藏、沙藏、水藏等。
干藏:多数花卉种子适宜干藏。将采好的种子,放进纸袋、布袋、铁皮盒、铝盒、木盒、玻璃瓶等贮藏,放置在空气流通的室内冷凉处保存。
沙藏:即将采收的种子用潮湿沙土埋上,土温保持在0—5℃,休眠的种子常用这种方法处理,以促进发芽。
水藏:某些水生花卉的种子,必须贮藏于水中才能保持其发芽力,如荷花、睡莲等。各种种子均不宜放置在高温处暴晒,应放在低温黑暗处,并注意防潮和鼠虫害。
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