Abstract
From 2018 to 2019, the control methods of Prunus americanc fruit were tested with Prunus americanc as experimental material. The fruit cracking rate of fruit trees was reduced by using comprehensive technical measures such as orchard grass, plastic film mulching, spraying gibberellin and spraying calcium fertilizer. The results showed that all treatments could reduce the fruit cracking rate of American plum fruit, and the effect of spraying gibberellin was the best.
Highlights
Prunus americanc is one of the traditional fruit trees of the Rosaceae, which has great fruit, sweet taste and good quality [1]
The results showed that compared with the control, each treatment could reduce the fruit cracking rate of Prunus americanc, among which gibberellin spraying had the best effect, the fruit cracking rate was 8.3%, which was 69.6% lower than that of the control, and the fruit cracking rate of other treatments was 44.32%, 52.74% and 50.55% lower than that of the control, respectively, and the fruit cracking rate of other treatments was 44.32%, 52.74% and 50.55%, respectively
Previous studies have shown that excessive water content will increase the osmotic pressure of the fruit, reducing the osmotic pressure of the fruit itself by absorbing water
Summary
Prunus americanc is one of the traditional fruit trees of the Rosaceae, which has great fruit, sweet taste and good quality [1]. From May to late August, the degree of summer drought in Dazhou is different, and after the drought, it rains or even rainstorm for a period of time During this period, during the expansion and maturity of fruit trees, the fruit trees suddenly encountered heavy rain and a large amount of water absorption under the condition of lack of water, resulting in fruit cracking and fruit drop. The annual fruit drop rate is 25%-40%, or even higher, which has brought huge economic losses to fruit farmers In this experiment, a series of studies on the prevention and control of fruit cracking of Prunus americanc were carried out in order to find the most economical and effective method to prevent and control the fruit cracking of Prunus americanc.
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