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Chinese Agricultural Science Bulletin ›› 2017, Vol. 33 ›› Issue (23): 16-21.doi: 10.11924/j.issn.1000-6850.casb16120134

Special Issue: 园艺

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Effects of Different Rootstocks on Tree Growth and Fruit Quality of Malus pumila‘Nagafu No.2’

蔡华成,,, and   

  • Received:2016-12-28 Revised:2017-04-28 Accepted:2017-05-10 Online:2017-08-21 Published:2017-08-21

Abstract: The young apple trees grafted on Y series, SH series and‘M26’dwarfing interstocks were continuously observed in the experiment, in order to clarify the influence of different rootstocks and interstocks on the growth and fruiting habit of Malus pumila‘Nagafu No.2’, and determine the appropriate combination of scion-rootstock in Jinzhong. The results showed that different rootstocks had less influence on tree growth and early flowering habit, but different dwarfing interstocks obviously affected tree growth potential, early bearing, and improved fruit quality of M. pumila‘Nagafu No.2’, the dwarfing and early flowering abilities were as follows,‘Y-2’,‘Y-1’,‘SH1’,‘M26’,‘Y-3’. Among these interstocks,‘Y-1’and‘Y-2’had excellent traits like dwarfing and early flowering, also did not have alternate bearing, but apple trees grafted on‘M26’ were tend to sprout in spring at Jinzhong, so‘Y-1’,‘Y-2’and‘SH1’should be planted as interstocks in Jinzhong. In addition,‘Y-1’and‘Y-2’could use high density planting system with spacing between (1-1.5) m× (3.5-4) m, while‘SH1’and‘M26’should have properly larger planting density with spacing between (1.5-2) m× (3.5-4) m.

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