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将危地马拉油梨实生苗种在有油梨疫霉根腐病侵袭的土壤里,在雨季期间(10月—翌年3月),几种药剂单独或混合施用于叶片或土壤里。在两年的试验中,土壤施用颗粒状的瑞毒霉(metalaxyl)。第一年用量为每株有效成份0.4或1.6克,每隔8周施一次;
Seedlings of Guatemalan avocado are planted in soil contaminated with root rot of avifauna and during the rainy season (October-March next year) several agents are applied to the leaves or the soil alone or in combination. In a two-year trial, the soil applied particulate metalaxyl. The first year dosage of active ingredient per plant 0.4 or 1.6 grams, once every 8 weeks;