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退菌特是有机硫和有机砷混合杀菌剂,兼有杀菌和抑菌双重作用,能防治果树多种真菌病害。对葡萄黑痘病、白腐病和炭疽病等均有较好效果。我场为防治葡萄白腐病,曾在1964年进行过包括退菌特在内的药剂试验,结果发现退菌特区佳里娘果穗的部分果梗凹陷、干缢,即所谓“干爪”“干码”现象。当时对此并未引起重视。后经常听到大泽山地区群众亦有此反映,为了弄清其原因,于1978、1980、
Antibacterial special organic sulfur and organic arsenic mixed fungicides, both bactericidal and bacteriostatic dual role, can control a variety of fruit tree fungal diseases. On grape anthurium disease, white rot and anthracnose, etc. have a good effect. My field for the prevention and treatment of grape white rot, had in 1964, including the agent involved in the test, the results found that part of the Juguangnui ear fruit valley depression, dry Jiao, the so-called “dry claw” “ Dry code ”phenomenon. At that time did not pay attention. After often heard Dazeshan masses also have this reflection, in order to clarify its causes, in 1978,1980,