Continuous rainy weather is a good thing for most agricultural crops, but it has led to cracking in the ripe cherry. According to Wang Jinyu, an expert on fruit trees in Shandong province, if continuous rainy weather is encountered at this time, the rate of cracking of individual varieties will be as high as 80%, resulting in a big reduction in crop yields and huge economic losses for farmers. Wang Jinyu said that farmers should take measures to prevent cracking.
Cause of cracking
It is understood that fruit cracking is a kind of physiological obstacle that causes the peel to rupture due to inconsistent soil moisture, long drought or rain, or sudden pouring of large water. The number and degree of fruit cracking differ depending on the variety characteristics, fruit development stage, and rainfall.
Crack prevention measures
The choice of anti-crack fruit varieties is the fundamental way to solve the problem of cracking fruit. Black pearls, samites, and Rabins can be used to compare anti-crack fruit varieties. In the morning and evening of the local rainy season, we can also select ripe varieties or early-maturing varieties, such as Fuchen, Zaoshengfan, Meizao, Blush, Zaoguoda and Santina.
Strengthen the cultivation and management, choose a loam soil with good permeability to build gardens, deepen the hole in the rows between the orchards with thick soil, deep-sewn cover soil, sandy soil improvement, increase soil permeability and drainage performance, and avoid accumulation of water. Strengthen the cultivation and management, maintain the stability of the soil moisture after flowering, prevent it from drying out and dampness, dilute the ground with small water when it is dry, and forbid flood irrigation, and use sprinkler irrigation and drip irrigation if necessary.
Build shelter facilities. This measure is relatively costly and difficult to implement. However, setting up shelter facilities is the most effective way to prevent fruit cracking, and it is also the most common method for preventing cherry cracking in modern agricultural cultivation. The cost of constructing a simple shelter cover for large cherries is 3000-7000 yuan per mu, which is technically not complicated and can be used for many years. The method is easy to grasp. For farmers, this cost is compared with the high profit of the current cherry market. This is acceptable. Most importantly, it controls the cracking rate of large cherry within 3% at a low cost.
Wang Jinyu introduced that in the cultivation of shelters and frost-prevention facilities, different shed-type patterns can be selected according to factors such as site conditions, availability of materials, and cost of building sheds.
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