During fruit ripening, care should be taken to avoid cracking. The specific method is as follows: Selection of anti-crack fruit varieties At present, no complete anti-cracking cherry cultivars have been found, but the number and degree of cracking fruits vary with different varieties. Such as the big purple, crystal, Bin library and other varieties, because of its low peel strength, large and large pores, strong water absorption, cracking heavier; Rabins, Samite and other varieties are cracking light.
In addition, large cherry cracking fruit is mostly caused by drought and drought before harvest, so we can use mature varieties that mature before the rainy season to avoid the rainy season, such as Zaofeng, red light, Zhifuhong and so on.
Steady soil moisture content: There is a close relationship between unbalanced distribution of cherry cracking fruit and soil moisture content. For example, when the soil is in a state of water shortage for a long time, sudden fruit breaks will occur; if soil moisture remains relatively stable and stable, even if the rainfall suddenly occurs, cracking will be lighter.
Spraying calcium salt before harvest: According to the test, before the fruit is harvested, spraying 0.2% calcium chloride solution three times every 7 days can reduce the cracking of large cherry and prolong the shelf life.
In addition, before the fruits begin to colorize and the rainy season arrives, plastic film shelters are constructed to create a rain-free environment and prevent fruit cracking.
In addition, some growers do the following: (1) In the case of chemical fertilizers and organic fertilizers, the use of calcium nitrate (preferably from Norway) after flowering, 1- 2 kg/plant, and thereafter The secondary foliar sprays are accompanied by foliar calcium fertilizers, such as high-calcium Shixin; high calcium Cuikang; Xunmei calcium, etc.. Because the mobility of calcium is small, it can only be absorbed by the roots and can not meet the fruit growth requirements, at least three times. (2) Watering should be preceded by small water, avoid bountiful flooding, and not intermediate drought.
In addition, large cherry cracking fruit is mostly caused by drought and drought before harvest, so we can use mature varieties that mature before the rainy season to avoid the rainy season, such as Zaofeng, red light, Zhifuhong and so on.
Steady soil moisture content: There is a close relationship between unbalanced distribution of cherry cracking fruit and soil moisture content. For example, when the soil is in a state of water shortage for a long time, sudden fruit breaks will occur; if soil moisture remains relatively stable and stable, even if the rainfall suddenly occurs, cracking will be lighter.
Spraying calcium salt before harvest: According to the test, before the fruit is harvested, spraying 0.2% calcium chloride solution three times every 7 days can reduce the cracking of large cherry and prolong the shelf life.
In addition, before the fruits begin to colorize and the rainy season arrives, plastic film shelters are constructed to create a rain-free environment and prevent fruit cracking.
In addition, some growers do the following: (1) In the case of chemical fertilizers and organic fertilizers, the use of calcium nitrate (preferably from Norway) after flowering, 1- 2 kg/plant, and thereafter The secondary foliar sprays are accompanied by foliar calcium fertilizers, such as high-calcium Shixin; high calcium Cuikang; Xunmei calcium, etc.. Because the mobility of calcium is small, it can only be absorbed by the roots and can not meet the fruit growth requirements, at least three times. (2) Watering should be preceded by small water, avoid bountiful flooding, and not intermediate drought.
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