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Studies on the POD and IOD Activities of the Dwarfing Stocks and the Red Fuji Apple Grafted on Corresponding Interstocks 被引量:1

Studies on the POD and IOD Activities of the Dwarfing Stocks and the Red Fuji Apple Grafted on Corresponding Interstocks
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摘要 The seasonal changes of POD and IOD enzyme activities in the leaves of 4 dwarfing stocks and Red Fuji apple grafted on 5 interstocks and the POD and IOD activities of different positions of Red Fuji Apple on various interstocks were studied. The results showed that the seasonal changes of POD and IOD activities in the leaves of 4 dwarfing stocks were similar to that of the Red Fuji Apple. The enzyme activities of stocks were closely correlated with those of the Red Fuji Apple grafted in corresponding interstocks and the POD and IOD activities of semi-dwarfing stocks were lower than those of the dwarfing and very-dwarfing stocks. There were many more differences of POD activities in phloem and activities in leaves among different interstocks. There was a significant negative correlation between the POD and IOD activities and the growth potential of the Red Fuji Apple grafted on interstocks in the last ten days of both May and September. The best time to use POD and IOD activities to forecast the dwarfing ability of stocks was in the last ten days of both May and September. The seasonal changes of POD and IOD enzyme activities in the leaves of 4 dwarfing stocks and Red Fuji apple grafted on 5 interstocks and the POD and IOD activities of different positions of Red Fuji Apple on various interstocks were studied. The results showed that the seasonal changes of POD and IOD activities in the leaves of 4 dwarfing stocks were similar to that of the Red Fuji Apple. The enzyme activities of stocks were closely correlated with those of the Red Fuji Apple grafted in corresponding interstocks and the POD and IOD activities of semi-dwarfing stocks were lower than those of the dwarfing and very-dwarfing stocks. There were many more differences of POD activities in phloem and activities in leaves among different interstocks. There was a significant negative correlation between the POD and IOD activities and the growth potential of the Red Fuji Apple grafted on interstocks in the last ten days of both May and September. The best time to use POD and IOD activities to forecast the dwarfing ability of stocks was in the last ten days of both May and September.
出处 《Agricultural Sciences in China》 CAS CSCD 2002年第5期562-567,共6页 中国农业科学(英文版)
关键词 INTERSTOCK POD IOD DWARF Apple Interstock, POD, IOD, Dwarf, Apple
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