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首页> 外文期刊>Journal American Pomological Society >Performance of 'Gala' apple on four semi-dwarf rootstocks: a ten-year summary of the 1994 NC-140 semi-dwarf rootstock trial.
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Performance of 'Gala' apple on four semi-dwarf rootstocks: a ten-year summary of the 1994 NC-140 semi-dwarf rootstock trial.

机译：“ Gala”苹果在四种半矮砧木上的表现：1994年NC-140半矮砧木试验的十年总结。

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摘要

In 1994, trees of 'Gala' apple (Malus x domestica [M. pumila]) on 4 semi-dwarf rootstocks (P.1, V.2, G.30 and M.26 EMLA) were planted at 20 locations in North America according to the guidelines established for cooperative testing by the North Central Regional Cooperative Project (NC-140). Four of the locations did not receive trees on P.1 rootstock. Tree losses were greatest for G.30. Trunk cross-sectional area (TCSA) was generally largest for P.1 and smallest for G.30. TCSA was most variable for M.26; at some sites, trees on G.30 had larger trunks than trees on M.26. Tree height was usually greatest for P.1 and tree spread was usually smallest for M.26 EMLA. Although results were not consistent for all sites, yield and yield efficiency tended to be highest for G.30 and lowest for P.1. Although the effect of rootstock was not consistent, cumulative yield efficiency tended to be lower for G.30 than for M.26 or V.2. Trees on P.1 and G.30 produced the most root suckers..
机译：1994年，在北部20个地点种植了4种半矮砧木（P.1，V.2，G.30和M.26 EMLA）上的'Gala'苹果（Malus x domestica [M. pumila]）树木。美国根据北部中部地区合作项目（NC-140）为合作测试建立的准则。其中四个位置未在P.1砧木上收到树木。 G.30的树木损失最大。通常，P.1的干线横截面积（TCSA）最大，G.30的干线横截面积最小。对于M.26，TCSA变化最大。在某些站点，G.30上的树的树干比M.26上的树大。对于P.1，树高通常最大，而对于M.26 EMLA，树宽通常最小。尽管并非所有站点的结果都一致，但G.30的产量和产量效率往往最高，P.1的最低。尽管砧木的影响不一致，但G.30的累积产量效率往往低于M.26或V.2。 P.1和G.30上的树木产生的根吸盘最多。

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