PRODUCTIVITY OF THE IDARED APPLE VARIETY DEPENDING ON THE CROP LOAD AT THE FRUIT THINNING

被引:0
|
作者
Calestru, Oleg [1 ]
机构
[1] Tech Univ Moldova, 168 Stefan Cel Mare & Sfant Blvd, Kishinev, Moldova
来源
关键词
Growth regulators; thinning; average weight; yield; fruits diameter; NAA; AGENT;
D O I
暂无
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
The experimental plot is placed in the orchard "Codru-ST" Ltd. founded in 2006. The study subject of the experience was Idared apple variety grafted on M 9 rootstock. The plant spacing is 3.5 x 1.2 m. The research was conducted during the period of 2014-2017 years. The active substances applied were NAD (Geramid-New), NAA (Dirager) and BA (Gerba 4 LG), using different doses and different thinning periods. During the research, such indicators as the number and average weight of the fruit, the yield per tree and per unit area and the average fruit diameter were studied. It was established that, the spray with Geramid-New in dose 1.2 l/ha when 80% of the petals have fallen + 2-3 days, Dirager in dose 0.2 l/ha when the king fruit diameter was 8-9 mm, and Gerba 4 LG in dose 2.0 l/ha when the king fruit diameter was 10-12 mm have a significant effect on the number of the fruits, average weight, yield and fruits diameter.
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页码:45 / 52
页数:8
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