发布时间:2025-02-05 00:27:09
通常采用软枣种子播种育苗培育砧木。
1.种子采集及处理 采集充分成熟的软枣,堆积软化,搓去果肉,取出种子,洗净后便可播种;或把种子阴干,以湿沙层积,也可将阴干的种子放于通风处干藏。播前用30℃温水浸泡1~2天,使种子充分吸胀,在向阳暖处短期沙藏催芽,待部分种子露白破壳,便可播种。
2.播种育苗 选择疏松土地苗圃,春播一般在3月份为宜,秋播在11月份土壤上冻前进行。每公顷播种量150~225千克,播种深度3~4厘米,覆土2~3厘米,播后喷水,覆草保持土壤湿度,防止板结。当苗高30~40厘米时,及时摘心促使苗木加粗到秋季,苗径1厘米以上时,即可嫁接。
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