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新西兰的温室葡萄种植者,在葡萄生长季节通常采用限制枝条生长的方法来促进果实的发育.现已证实,在生长季节过度地限制葡萄赖以生长的叶面积,会阻碍当年葡萄果实的发育和延迟当年的采摘期;利用温室内盆栽试验,发现这种处理对葡萄的下一个生长季仍有影响.在下一个生长季节中,所有的葡萄树都保留了相同的叶面积,那些在上一个生长季节夏剪过重的植株,其发芽率降低,果粒变小,果实成熟需要较长的时间.在两种极端处理中,果实成熟期(16°白利糖)相差两周.这种生长条件下的“意大利”葡萄品种,每克果实至少需要4cm~2的叶面积才能避免下年的产量和果实品质受到显著的不利影响.
New Zealand greenhouse growers often use fruit-tree growth-limiting methods to promote fruit development, and it has been shown that over-restricting the leaf area on which the grapes grow in the growing season can hinder fruit development and Delayed the picking period of that year and found that this treatment still had an effect on the next growing season of grapes using greenhouse pot experiments and that all of the vines retained the same leaf area for the next growing season, Exposed plants of the season summer had lower germination rates, fewer fruit grains and longer ripening of the fruit, and in both extreme treatments there was a difference of two weeks between fruit ripening (16 ° Brix) Under the conditions of the “Italy ” grape varieties per gram of fruit requires at least 4cm ~ 2 leaf area in order to avoid next year’s yield and fruit quality were significantly adversely affected.