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Position: Home > Articles > ON THE PRIMARY INFECTION AND CHEMICAL CONTROL OF APPLE BITTER ROT[(GLOMERELL ACINGULATA)(STONEM.)SCHR.ET SPAULD.]IN LIAONING PROVINCE Acta Phytopathologica Sinica 1981 (4)

辽宁地区苹果炭疽病发生规律和防治研究

作  者：
刘福昌;陈策;王焕玉;张学炜;王绍玲;陈延熙;章正;王学玲
单  位：
中国农科院果树所
摘  要：
在辽宁地区,苹果炭疽病菌主要以菌丝在苹果树上的小僵果、死果台、粗皮、爆皮枝等部位越冬。翌年在适宜温湿度条件下产生分生孢子,进行传播侵染。越冬后的分生孢子已失去萌发力,落地病果在初侵染中不起什么作用。病菌可以直接穿透表皮侵入果实。苹果在幼果期即感病,此时不抗侵入但抗扩展,潜育期长达一个月左右。七月中旬以后病害大量发生,直至9月中旬持续为害。根据果园中病菌孢子出现期,约在6月15至25日喷施第一次药,以后每隔20天左右连续喷施160～200倍波尔多液或锌铜石灰液三次,可以有效地控制炭疽病的为害。1964年和1965年,在辽宁地区进行大面积防治试验表明效果良好,可以大面积推广。
译  名：
ON THE PRIMARY INFECTION AND CHEMICAL CONTROL OF APPLE BITTER ROT[(GLOMERELL ACINGULATA)(STONEM.)SCHR.ET SPAULD.]IN LIAONING PROVINCE
作  者：
Liu Fuchang Chen Ce Wang Huanyu Zhang Xiewci Wang Shaoling(Institute of Pomology,Chinese Academy of Agricultural Science) Chen Yenhsi(Beijing University of Agriculture) Zhang Zheng Wang Xieling(Inspection Bureau of Import and Export Goods, Dalian)
摘  要：
In apple growing region of Liaoning Province,Glomerella cingulata,the causal fungus of apple bitter rot,overwintered as dormant myc-elium in small mummified fruits, dead fruiting spurs,and rough-skinedt wigs on trees.Conidia that had remained on infected fruit mummiesfailed to germinate in the next spring.Infected fallen fruits on ground-under fruit trees played little role as source of primary infection.Und-er the climatic conditions of southern Liaoning,conidia production anddispersion started from mid-June,and young fruits were infected short-tlg after petal fall, The causal fungus penetrated into the fruits thro- ugh intact epidermis. The incubation period lasted about one month du-ring the early fruit stage.Disease incidence and development covered aperiod from mid-July to mid-September. Based on the results obtainedfrom field experiments, the following spray schedule was recommerdedas practicle: spraying Bordeaux Mixture (1:2:200) or Zn-Cu Lime Mixt-ure (Zn sulfate 0.5 kg,Cu sulfate 0.5 kg, Lime 2 kg,Water 200) thricefrom mid-June at an intervals of about 20 days. The first spray shouldbe performed immediately after conidia dispersion as detected with sporetrapping method.

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