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槟榔(Areca catechu L.)是印度重要的作物之一,广泛栽培于印度喀拉拉邦和卡纳塔克邦,乃至泰米尔纳德、安德拉普拉德什、西孟加拉和阿萨姆等邦。槟榔疫霉病是主要的病害,也是造成经济损失的主要根源。这种由真菌引起的病害通常称“科莱奥果”或“马哈利”是一种烂果病或烂芽病。由“科莱奥果”引起的病会使果实产量损失10—75%。甚至使槟榔园的所有作物失收。这两种病害只发生在6—9月的西南季候风节季。一、烂果病这种病害是巴特勒(Butler)于1906年首次报道的。现在人们都知道,下大雨时,几乎所有槟榔种植地区均有发生。在森林茂密的山谷和槟榔园病情都相当严重,这主要是由于潮湿过盛引起的。
Areca catechu L. is one of India’s important crops and is widely cultivated in the Indian states of Kerala and Karnataka, as well as Tamil Nadu, Andhra Pradesh, West Bengal and Assam state. Phytophthora capsici is a major disease and also a major source of economic loss. This fungal-induced disease is commonly referred to as “Caleo” or “Mahali” as a rotten or rotten bud disease. Diseases caused by “Corleone” cause a loss of 10-75% of fruit production. Even all the betel nut plants crop failure. Both diseases occur only in the southwest monsoon season from June to September. First, rotten fruit disease This disease was first reported by Butler in 1906. Now people all know that when it rains, almost all areca cultivation areas have occurred. The conditions in the densely populated valleys and areca are very serious, mainly due to excessive wetness.