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使种子吸水膨胀

网址:www.jiazanmiaomu.com  2022-01-22  作者:admin    阅读:

有些树种的种子,播前用凉水、温水浸泡一下,使种子吸水膨胀,播后即可提早发芽。榆、桑、杨、柳等树种的种子,播前只要用温水喷洒,搅拌,使种子湿润均匀,阴干后即可播种;一般小粒种子,
The seeds of some tree species are soaked in cold and warm water before sowing to make the seeds absorb water and expand, and they can germinate early after sowing. The seeds of elm, mulberry, poplar, willow and other tree species should be sprayed with warm water and stirred before sowing to make the seeds wet evenly and dry in the shade; Generally small seeds,
用凉水浸泡3天~5天后播种;种皮较厚的如松类、侧柏等树种的种子,需用45℃左右的温水浸种3天~5天,然后播种。刺槐、桃、李、杏等树种的种子,则要用热水烫种。方法是先将种子放入缸中,倒入85℃左右的热水,用水量约为种子体积的2倍~3倍,边倒水边用木棒搅拌,使种子受热均匀,然后使水自然冷却。以后每天用45℃的温水冲1次~2次,待种子膨胀裂嘴后,进行播种。
Seed after soaking in cold water for 3 ~ 5 days; The seeds of tree species with thick seed coat, such as pine and Platycladus orientalis, need to be soaked in warm water at about 45 ℃ for 3 ~ 5 days, and then sown. The seeds of Robinia pseudoacacia, peach, plum, apricot and other tree species should be scalded with hot water. The method is to put the seeds into the jar, pour hot water at about 85 ℃, and the water consumption is about 2 ~ 3 times of the seed volume. While pouring water, stir with a wooden stick to heat the seeds evenly, and then cool the water naturally. After that, wash with warm water at 45 ℃ once or twice a day, and sow after the seeds expand and crack their mouths.

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