利用P研究草莓对磷元素的吸收分配规律

被引:4
作者
郑泽民
洪建源
胡安畅
机构
[1] 云南农业大学园艺系
[2] 沈阳农业大学园艺系
[3] 沈阳农业大学园艺系 昆明
[4] 沈阳
关键词
草莓; 磷; 32P; 标记化合物;
D O I
暂无
中图分类号
学科分类号
摘要
作者利用放射性核素32P示踪技术,研究了年周期中不同生长发育时期草莓(Fragaria x ananassa)对磷素营养的吸收、运转和分配规律。实验结果表明:草莓对磷元素的吸收、运转和分配特点既有别于其他果树,又与它们有相似的规律。草莓的地上部分和地下部分对32P的吸收呈2次既同步又相交错的吸收高峰。在返青前期、开花前后、果实膨大期和花芽分化时及时追肥,是草莓获得优质高产的必要措施之一。根据试验结果,还对草莓管理中去除匍匐茎,做好冬前防寒保叶等技术措施的必要性作了理论上的探讨。
引用
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页码:140 / 144
页数:5
相关论文
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