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油茶是木本油料中主要的树种,但目前我省油茶林远不能满足需要,因此扩大栽培面积是当前一项重要任务。造林必须要有苗木,但油茶育苗在苗圃中遭到菌核性根腐病为害甚为严重,歙县特种经济林场,从1957年育苗以来每年都遭此病为害,根据1961年调查:发病严重的圃地死亡率达50%左右,平均死亡率22.6%,为了摸清发病规律,找出有效的防治药剂和防治措施,本年在岩寺林场作了发病情况的调查和室内外防治试验,现将初步结果报告如下:
Camellia oil-wood is the main tree species, but at present our province Camellia far can not meet the need, so to expand the cultivation area is an important task. Afforestation must have seedlings, but nursery nursery nursery in the nuclear root rot disease is very serious, Shexian special economic forest farm, every year since 1957 breeding has been affected by the disease, according to the 1961 survey: the incidence of serious Nursery mortality rate of about 50%, the average mortality rate of 22.6%, in order to find out the law of onset, to find effective prevention and treatment of pesticides and prevention and control measures, this year in the Temple Temple made the incidence of disease surveys and indoor and outdoor prevention and control tests, The preliminary results are reported as follows: