Goodrich, Antaisheng mix and cure peach brown rot

February 29, 2020

Peach brown rot, also known as Sclerotinia, is a fungal disease. The diseased fruit has brown round spots on the fruit surface. The diseased fruit has brownish rot. The disease can spread to the entire fruit surface within a few days. The diseased fruits in the later stages are rotted and dehydrated and contracted to form a stale fruit. The disease has many infective routes, long infection period, re-infection and spread quickly, often causing serious losses. In order to find effective bactericides for the disease, Chen Xiuhui from Linyi City, Shandong Province, and others used Bayer CropScience's Goodrich (43% tebuconazole suspension) and Antai (70% propylsen) in 2007. Zinc wettable powder) Field trials were conducted.

The test results show that Goodrich and Antaisheng have good control effects on peach brown rot. The control efficacy of Antaisheng 600 times liquid exceeds 91%, and the effective period is about 15 days; the control effect of 5000 times liquid of Halifax is stable at 90°C. About %, both of these agents can be widely used in the prevention and treatment of peach brown rot. In addition, Antaisheng's zinc supplementation effect is obvious, and the leaves are dark and thick after application, and the fruit gloss is good. Compared with mancozeb, Antaisheng has a higher zinc content and its complex zinc is more easily absorbed and utilized by fruit trees. It also avoids long-term use of mancozebicide to induce rough skin and black spots. Premature aging and other "manganosis."

Prosin Zinc is a protective fungicide whose mechanism of action is to inhibit the pyruvate oxidation in pathogenic bacteria. Tebuconazole mainly inhibits the demethylation of sterols in fungi, resulting in biofilm formation and bactericidal activity. It can be absorbed through the leaves and penetrated and distributed evenly in the body. It has the functions of protection, treatment and eradication. Suction fungicide. In the trial, it was found that the combination of protective Aetnax and the systemic absorption of Good Lecco has a strong complementarity, which can significantly increase the control efficacy against P. fulvum, without increasing the cost of medication. The average control effect of Hao Leke (10000 times liquid) and Antaisheng (1000 times liquid) compounding combination is 94.26%, which is 3.3% higher than the average control effect of 600 times of Antai alone, and 5000 times more than that of Lectra alone. The average control efficiency is 5% higher. In the prevention and control of peach disease, Antai and Haolik can be rationally mixed and used.

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