WEI Xiao-wen,GUO Jing,WANG Fei,et al.Difference of Enzyme Activity and the Content of Endogenous Hormones in the Leaves of Different Apple Dwarfing Rootstocks[J].Northern Horticulture,2013,37(14):16-18.
不同矮化砧木叶片酶活性与内源激素含量的差异
- Title:
- Difference of Enzyme Activity and the Content of Endogenous Hormones in the Leaves of Different Apple Dwarfing Rootstocks
- 文章编号:
- 1001-0009(2013)14-0015-04
- Keywords:
- apple; rootstocks; enzyme activity; endogenous hormones
- 分类号:
- S 661-1
- 文献标志码:
- A
- 摘要:
- 以乔化砧、半矮化砧、矮化砧3类矮化程度不同的苹果砧木为试材，研究比较了不同砧木叶片内酶活性及内源激素含量的差异。结果表明：不同矮化程度的砧木之间叶片内的POD（过氧化物酶）、IOD（吲哚乙酸氧化酶）活性差异较大，并且乔化砧木的酶活性显著低于半矮化、矮化砧木的酶活性；不同砧木间春季叶片内源激素IAA（生长素）、ABA（脱落酸）、GA（赤霉素）和ZR（玉米素）的含量差异较大，并且春季矮化砧木叶片的IAA/ABA比值显著低于半矮化与乔化砧木。因此，可以利用叶片内POD、IOD活性与春季叶片的IAA/ABA比值预测砧木的矮化性。
- Abstract:
- Different apple dwarfing rootstocks(vigorous,semidwarfing,dwarfing rootstocks）were used to compare their difference on the enzyme activity and the content of endogenous hormones in the leaves.The results showed that POD and IOD activities of leaves were markedly different,the POD and IOD activities of vigorous rootstocks were markedly lower than those of semidwarfing rootstocks and dwarfing rootstocks；the content of IAA,ABA,GA and ZR in leaves in spring were different,and the ratio of IAA to ABA from dwarfing rootstocks was markedly lower than that from vigorous rootstocks and semi dwarfing rootstocks.Therefore,the activities of POD and IOD of leaves and the ratio of IAA to ABA from dwarfing rootstocks can be used to forecast the dwarfing ability.
参考文献/References:
[1]曹敏格,杨海玲,张文,等.苹果砧木矮化性评价指标的研究[J].中国农业大学学报,2008,13(5):11-18.
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备注/Memo
第一作者简介：隗晓雯（1988-），女，河北保定人，硕士研究生，研究方向为果树栽培生理。E-mail：870858548@qq.com.