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| 香蕉刺盘孢及其所致香蕉炭疽病的化学防治 | |
| 引用本文： | 刘朝祯,戚佩坤.香蕉刺盘孢及其所致香蕉炭疽病的化学防治[J].植物病理学报,1990,20(3):179-183. |
| 作者姓名： | 刘朝祯 戚佩坤 |
| 作者单位： | 1 广东省农科院植保所;2 华南农业大学植保系 |
| 摘 要： | 广东中山省未成熟"中把"蕉果发生的炭疽病,是由香蕉刺盘孢的一个强毒力菌系所致。该菌系在田间明显为害青蕉,在六至七成肉度的果指上引起深褐色、中央纵裂的梭形大斑。人工接种可使有伤口的苹果发病,轻微为害有伤口的橘子,但不为害甜橙和椪柑。在柠檬酸铵做氮源的基础上生长良好。分生孢子在果皮汁液中萌发时可两端萌发。 农用高脂膜水乳剂200倍液与多菌灵1000ppm混用,有很大的增效作用。从抽蕾开花期起开始喷药,每隔10天1次,连喷4次,只喷果穗,可有效减轻香蕉炭疽病的为害,货架期第5天的防效达90.12%。 |
| 关 键 词： | 香蕉 香蕉剌盘孢 炭疽病 化学防治 |
STUDIES ON COLLETOTRICHUM MUSAE (BERK. ET CURT.) ARX AND THE CHEMICAL CONTROL OF ANTHRACNOSE OF BANANA IN THE FIELDS |
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| Liu Chaozhen,Wang Bisheng,Chi Peikun.STUDIES ON COLLETOTRICHUM MUSAE (BERK. ET CURT.) ARX AND THE CHEMICAL CONTROL OF ANTHRACNOSE OF BANANA IN THE FIELDS[J].Acta Phytopathologica Sinica,1990,20(3):179-183. | |
| Authors: | Liu Chaozhen Wang Bisheng Chi Peikun |
| Institution: | 1 Institute of Plant Protection, Guangdong Academy of Agricultural Science;2 Department of Plant Protection, South China Agricultural University |
| Abstract: | According to the pathogenicity, morphological, and cultural studies, anthracnose of green fruits of "Zhong Ba" banana which was found occurring in Zhong Shan city of Guangdong Province showed to be caused by a virulent strain of Colletotrichum musae (Eerk. et Curt.) Arx. This strain caused large, lenticular, crached lesions on the green fruits with 60-70% maturity. The inoculation test showed that this strain could infect the wounded apple fruits (Malus pumila) moderately, and wounded citrus fruits (Citrus deliciosa) slightly, but couldn't infect the wounded sweet orange (Citrus sinensis) and King orane (Citrus nobilis). The fungus grew better on the medium with an nionium citrate as nitrogen source and many conidia produced the germ tubes bipolarly in the extract of skin of green fruit. It was demonstrated that the application of a mixture of a nonomolecular film-forming substance (1:200, Fearl River Electric-Chemical Manufactory, Guangzhou) and 50% MLC W.P. (1000 ppm, Dupont Co., U.S.A) could increase greatly the control effect. The first spray was applied at the beginning of blooming period, 4 times at 10 days intervals, only the flowers and fruits were sprayed. It showed 90.12% control of anthracnose of banana at mrarketable stage in 5 days. |
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