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Effect of rootstocks and double trunk on growth and fruiting of 'Rubin' apple trees

机译:砧木和双树干对'Rubin'苹果树生长和结果的影响

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摘要

'Rubin' apple trees grafted on M.9, P22, and P59 rootstocks were planted in spring 2000. In June 2000 the trees on M.9 and P59 rootstocks were grafted again with 10 cm scion of P22 rootstock. Moreover each year on the same grafted trees a 1 cm wide ring of bark was taken from the main trunk. On the basis of trunk cross section area growth of studied rootstocks can be ranged as following: M.9 (100%), P22 (99%), P59 (83%). A tendency was found to decrease the growth of the trees and better fruiting onrootstock M.9, and also better colour on double grafted trees. There was no difference in flowering and fruiting on trees growing on rootstocks M.9, P59 and P22. Fruits from trees grown on rootstock P22 had higher firmness and higher concentration Ca andP comparing to M.9.
机译:2000年春季,在M.9,P22和P59砧木上嫁接了'Rubin'苹果树。2000年6月,在M.9和P59砧木上再次嫁接了10 cm接穗的P22砧木。此外,每年在同一棵嫁接的树木上,从主树干上取下一个1厘米宽的树皮环。根据研究的砧木的树干横截面积,其生长范围可为:M.9(100%),P22(99%),P59(83%)。发现有减少树木生长和更好地结实砧木M.9的趋势,而且在双嫁接树上也有更好的颜色。在砧木M.9,P59和P22上生长的树木的开花结果与开花结果无差异。与M.9相比,在砧木P22上生长的树木果实具有较高的硬度和较高的Ca和P浓度。

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