Pay attention to apple bagging

In the current apple cultivation, the apple surface is delicate and bright, the color is gorgeous and beautiful, and the harm of diseases, insect pests and bad weather in fruit development period is reduced, and the investment of pesticide is reduced effectively
In order to avoid the pollution of pesticides to fruits, most fruit growers have apple bagging cultivation, which is also an effective way to produce pollution-free high-quality high-grade fruits and improve the commodity value of fruits.
In late May, fruit thinning work completed, the next task is to prepare a set of bags. Then, the author should remind the broad masses of fruit growers, friends, pay attention to these points before the apple belt:
1, complete three times before bagging
No matter how poor are not poor from flower to fruit, after bagging to be completed before three times medicine. This period is the peak period of calcium requirement for fruit trees, and calcium supplements should be used in fruit trees. These three times, Lord of the pills
To use the protective efficacy of combination of medicament for 7~10 days, over this period, young fruit is susceptible to ring rot bacteria, leading to the occurrence of post rotiform disease.
There are fruit farmers in order to save the money again, after the flower is not timely spraying, or premature bagging, or medication interval is too long, this will lead to Apple mildew, black spot disease and other diseases.
2, complete fertilization
From late May to early June, apple is the critical period of flower bud physiological differentiation, during this period with water application of low nitrogen and phosphorus or potassium phosphate fertilizer, potash fertilizer can promote the flower buds of apple
Of. Before bagging, you must complete this fertilization first, and don't delay the flower bud differentiation in the next year because of the delay of bagging and the key time of fertilizer use.
3, fruit bag selection
The quality of fruit bags has a great influence on the fruit development. The fruit grower friends should pay attention to the choice of the fruit bags. The paper of the outer bag requires good ventilation, no water seepage and strong light shielding
The utility model has the advantages of no fading, uniform wax layer, not easy to wax after the sun is exposed, and the fruit bag is provided with an air vent, and the opening of the bag mouth is provided with a silk thread, and the inner and outer bags are separated from each other.
Before bagging is finished, what should we pay attention to when we look at the bagging?!
1, bagging time
In the allowable range as soon as possible bagging, usually in about 30 days after the beginning of bagging, try to fall within one and a half months after the end of the bag. From 9 a.m. to 6 p.m. in a day
All right, morning dew and rainy days are not bagging.
2, how bagging?
The lower part of the bag two lateral pinch flat bag to blow open bag, bag wire on the left, the longitudinal opening down, the fruit stalk in the longitudinal back to the base, the fruit hanging in the bag
(do not let fruit and bag friction, do not put the bag in the bag), then fold the bag at the end of the mouth, and finally use the thread at the mouth of the bag to clamp the folding pocket.

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