How to bag grapes is the best
In order to enhance the competitiveness of grape market, it has become a consensus of growers to popularize and apply bagging technology on grapes, but how to maximize the benefit of bagging? Before bagging, prepare to trim the spike one week before flowering, remove the accessory spike and 1-8 branches at the base of the main axis, and the spikelet is less or not removed; pinch the spike tip 1 / 4 before flowering, thinning fruit grains after 2 weeks of fruit setting, starting immediately after fruit stabilization, and ending before the rainy season. Bagging method: when bagging, the paper bag is opened by hand to make the whole bag bulge, then the whole ear is put into the bag from bottom to top, and then the mouth of the bag is contracted to the handle of the ear, and tightly fastened with the sealing wire on one side. But there should be a paper bag of 1.0 cm to 1.5 cm above the sealing wire, and never rub the ear with your hands. Bagging period after bagging can not be bagged, with bags harvesting; general red varieties can be bagged about 10 days before harvest, in order to promote good coloring. However, if the ear in the bag is well colored and is close to the best commercial hue, it is not necessary to remove the bag, otherwise it will deepen the purple and overcolor.
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How to prevent grapes from producing small fruits
Small grapes are formed by seed abortion. It is observed that the number of mature seeds of small fruit is equal to that of large fruit, but the seeds of small fruit are all in the tender stage, small but without kernel. If there is a mature seed in the fruit, the fruit can be slightly larger; when there are 2 mature seeds, the fruit can grow to medium size.
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What medicine does grape spray spike effect best before bagging?
The preparation before bagging is to trim the spike one week before flowering, the large spike should remove 8 branches of accessory spike and the base of main axis, and the spikelet should not be removed or less; the florescence should be pinched off and the tip of spike should be removed, and the fruit and vegetable grains should be started two weeks later, and the fruit should be stabilized immediately and end before the rainy season. The method of bagging is to open the paper bag by hand.
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