Points for attention in scraping fruit trees

Fruit tree bark scraping is a commonly used technique in planting. The old bark of fruit trees is an overwintering measure of diseases and insect pests, and it is an important source of diseases and insect pests in the coming year, which affects the yield and quality of fruit trees. So will scrape the fruit trees, reduce the source of diseases and insect pests, control diseases and insect pests, but also pay attention to a few points when scraping, otherwise it will cause damage to the fruit trees, let's take a look at the detailed introduction ah.

1. Scraping time

Generally, it is appropriate to scrape the skin after freezing in winter to before the sting of the following year, that is, before the deciduous branches of fruit trees blossom. In colder areas, the time for scraping should not be too early, but can be carried out before and after the Beginning of Spring, so that the exposed tender skin will be damaged by low temperature. But it should not be too late, too late, the sap began to flow, the pathogen has begun to spread, especially after the fruit flower bud differentiation, diseases and insect pests have begun to move, at this time scraping, not only can not control diseases and insect pests, but also aggravate the harm of diseases and insect pests.

2. Depth of scraping

The depth of scraping should also be mastered well, according to the species of trees, but no matter which kind of fruit trees can be scraped too deep or too shallow. If the fruit body is scraped, the xylem of the tree will be exposed directly, which will damage the tree; but if the skin is too shallow, it can not reach the depth of removing diseases and insect pests, and the effect of controlling diseases and insect pests is poor. Generally speaking, the outer skin of apple trees is thinner, and it is very easy to roll up when scraping, so the bark of pear trees should be scraped lightly and shallowly, while the bark of pear trees is thicker, and the cracks are larger, so they should be deeply scraped and heavily scraped until the red endothelium is exposed; and peach, apricot, persimmon and other fruit trees are easy to flow glue after scraping, so they should not be re-scraped. The method of wiping the bark can be used.

3. Treatment after shaving

After scraping the unscraped fruit trees, first clean up the weeds, residual branches and fallen leaves in the orchards, and then spread the trunks around the tree trunks with plastic film or newspaper, so that the scraped bark, debris, disease and insect remains can be collected and buried deep in the soil. make it a nutrient for fruit trees after fermentation. Brush the tree trunk after scraping with whitening agent to prevent diseases and insect pests.

The above is an introduction to the points for attention of fruit tree scraping. I hope it can help you. If you want to know more about it, please follow us.