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苹果垢斑病和煤点病的发生规律及防治 被引量:2

The Occurrence and Control of Gloeodes pomigna (Schu) Colby and Schizothyrium pomi (Mont) v. Arx on Apple Trees
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摘要 苹果垢斑病和煤点病近年在云南省丽江、昆明等地发生严重,发病率高达90%,描述了垢班病和煤点病症状。经病原鉴定垢斑病病原为仁果粘壳孢菌Gloeodes pomigna(Schu)Colby;煤点病病原为仁果裂盾菌Schizothyriumpomi(Mont)v.Arx;两病多混合发生,气候冷凉,雨量多,湿度大,日照少,果园地势低洼,树龄15年以上发病严重;海拔2800m以上,8月份平均气温15℃以下的地区很少发病;金冠对两病均感病,富丽、红星较抗病;药效试验百菌清和波尔多液效果好,防效达90%以上,可作大面积防治选用药剂。 The occurrence and control of the diseases by Gloeodes pomigna (Schu) Colby andSchizothyrium pomi (Mont) v. Arx on apple trees in Lijiang County and some the other areas inYunnan Province were studied. Results showed sometimes more than 90% of apple trees could beattacked. The syndrome characters were described. These two diseases always happen together.The situation was much more serious on the trees of more than 15 years old, or on the lowerplaces, and or on cool and humid place with less sunlight. In Lijiang Prefecture, the appearancethese diseases was in early July, and became serious in late August. However, in Kunming district, the beginning and epidemic of diseases were 10 or 15 days later. In general, the diseases seldom occur in the places where elevation are of 2800 meters and with mean temperature in Augustof lower than 15℃. The sensibility and resistibility to these diseases among the different apple varieties are different. Experiments showed Chlorothalonil and Bordeaux mixture were effective fortheir control.
作者 王家和 和鸣
出处 《果树科学》 CSCD 北大核心 1999年第2期110-114,共5页 Journal of Fruit Science
关键词 苹果 垢斑病和煤点病 发生规律 防治 Apple Gloeodes pomigena and Schizothyrium pomi Occurrence Control
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参考文献7

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