Cassava brown streak disease: a review of present knowledge and research needs

Cassava brown streak disease: a review of present knowledge and research needs
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DOI:
10.1080/0967087031000101061
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发表时间:
2003-07-01
影响因子:
1.5
通讯作者:
Jennings, DL
Jennings, DL
中科院分区:
农林科学4区
文献类型:
--
作者:
Hillocks, RJ;Jennings, DL

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木薯(Manihot esculenta)是非洲重要的自给粮食作物,它受到两种主要病毒病的影响,即木薯花叶病(CMD)和木薯褐条病(CBSD)。非洲大陆所有种植木薯的国家都有这种疾病,人们对它进行了大量研究。CBSD主要发生在东非海岸,尽管该病于1936年首次报道,但它受到的关注远远少于CMD。CBSD的病原学和流行病学尚未完全阐明,也未发现昆虫媒介。由于发现其在坦桑尼亚南部和莫桑比克广泛发生,因此重新引起了人们对二氯丁二烯醚醚酮的兴趣,在这些地区,与之相关的根部坏死症状是造成木薯作物经济损失的一个主要原因。鉴于该疾病目前在东非的重要性,对首次描述该疾病以来开展的工作进行审查是及时的。
Cassava ( Manihot esculenta) is an important subsistence food crop in Africa where it is affected by two main virus diseases, cassava mosaic disease (CMD) and cassava brown streak disease (CBSD). CMD occurs in all the cassava-growing countries on the continent and it has been much researched. CBSD occurs mainly on the East African coast, and although the disease was first reported in 1936, it has received much less attention than CMD. The aetiology and epidemiology of CBSD are still not fully elucidated, and no insect vector has been identified. There is renewed interest in CBSD owing to the discovery of its widespread occurrence in southern Tanzania and Mozambique, where the associated symptom of root necrosis is a major cause of economic loss in the cassava crop. In view of the present importance of the disease in eastern Africa, it is timely to produce a review of work carried out on the disease since it was first described.