ROOTSTOCK AFFECTS VEGETATIVE GROWTH-CHARACTERISTICS AND PRODUCTIVITY OF DELICIOUS APPLE

被引：12

作者：

SCHECHTER, I ^{[1
]}

ELFVING, DC ^{[1
]}

PROCTOR, JTA ^{[1
]}

机构：

[1] ONTARIO MINIST AGR & FOOD, HORT RES INST ONTARIO, SIMCOE N3Y 4N5, ONTARIO, CANADA

来源：

HORTSCIENCE | 1991年 / 26卷 / 09期

关键词：

SHOOT AND SPUR LEAVES; SPUR DENSITY; MALUS-DOMESTICA;

D O I：

10.21273/HORTSCI.26.9.1145

中图分类号：

S6 [园艺];

学科分类号：

0902 ;

摘要：

Fruit and leaves were harvested from sample branches in Oct. 1987 and 1988 from 'Starkspur Supreme Delicious' apple (Malus domestica Borkh.) trees on nine rootstocks (Ottawa 3, M.7 EMLA, M.9 EMLA, M.26 EMLA, M.27 EMLA, M.9, MAC-9, MAC-24, OAR 1) planted in 1980. Harvested leaves were separated into shoot leaves and spur leaves. Based on a standardized unit (centimeter of limb circumference), rootstocks strongly influenced the number, area, dry weight, and percentage of leaves in each category in both years. Yield per centimeter of limb circumference (limb yield efficiency, LYE) varied widely among rootstocks. LYE was highly correlated with spur density and with spur leaf variables but not with shoot leaf number, dry weight, or area. Rootstock effect on spur density may partially explain their effect on yield characteristics. The rootstock OAR 1 affected some of these characteristics differently than the others.

引用

页码：1145 / 1148

页数：4

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