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选择什么样的果袋关系到套袋栽培的成败。现将辨别果袋质量优劣的几种方法介绍如下,供广大果农参考。一要看透气孔通不通。把纸袋撑圆,看下边的透气孔是否畅通,通则好,不通则不能用。二要看遮光好不好。把袋撑圆对着光看纸袋遮光好不好,遮光好能用,遮光不好不能用。遮光好的果袋套上后,苹果在阴暗处生长,脱绿好,除袋后上色好。遮光不好的果袋,苹果除袋后不脱绿、难上色,即使上色,色泽也不亮不均匀。三要看袋渗水性强弱。把纸袋平放在桌面上,给上面倒上一点白酒,看渗的快慢,渗的慢的相对较好,快的则不好。渗的快下雨袋子就湿,紧贴在果面,易产生果锈。
Choosing what kind of fruit bag is related to the success or failure of bagging. Now identify the pros and cons of fruit bag several methods are introduced below, for the majority of farmers reference. A look at the vent does not work. Hold the paper bag round to see if the vents on the bottom are smooth, the general rule is good, not pass is not used. Two depends on the shading is good. Hold the bag round the light look good light paper bag, shading can be used, shading can not be used badly. After shading a good fruit bag, the apple grows in the darkness, off green, except after the bag is colored well. Poor shade of fruit bags, apples after the bag is not off green, difficult to color, even if the color, the color is not bright uneven. Three depends on the bag seepage strength. Put the paper bag flat on the desktop, pour a little liquor on it, look at the speed of seepage, seepage slow relatively good, fast is not good. Quickly seeping wet bags wet, close to the fruit surface, easy to produce fruit rust.