Cherries are cracked when they are close to ripening or harvesting in the event of rain. This problem is common in China's cherry-producing areas and causes huge losses to growers each year. The effect of cracking fruit through sprays of minerals, hormones, and other protective agents is only about 1% to 3%, and it is an effective measure to select good stocks and varieties of anti-crack fruit, but it has not been available so far. The selected high-resistance rootstocks and varieties; flooded cherry groves 24 hours before rain can reduce the cracking rate of large cherries by 30%. However, due to the inaccurate prediction of weather changes, this technology can not be accurately grasped by the fruit growers; cherry flowering trees The girdling technique is very effective in preventing fruit cracking, but it is often caused by a large number of tree results or weak tree vigor that can cause massive dead trees. This study aimed at the major problems in the production of large cherry, by setting up a simple "canopy shelter" for large cherries, and controlling the rate of cracking of large cherries within 0.3% at a low cost.
Shandong Province Orchard Research Institute builds a simple "canopy shelter". The cost per mu is only 1,500 yuan. The construction technique is simple and easy to use. It can be used for many years. The fruit grower can easily grasp it, and then replace the film once in 2-3 years. The cost is 200-300. Yuan, for farmers, this fee is easier to accept than the current benefit of the cherry market.
The construction technique of the simple "canopy shelter" for large cherries not only solves the problem of cracking the fruit during the ripening period of the cherry, but also effectively guarantees the income of the farmers, and reduces the occurrence of bird damage to the large cherries. In the early spring, it is prone to freezing damage. If the "shelter shelter" is built in advance, it can also play a role in preventing frost. In southern China's rainy regions, it cannot be cultivated due to excessive rainfall, and if it is constructed through ridging cultivation, it can be constructed in rainy areas in China. Plant large cherries.
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