草莓线虫病研究Ⅰ.江苏草莓上发生的夏矮线虫病

来源 :植物病理学报 | 被引量 : 0次 | 上传用户:myloft9h
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1986年至1987年,多次对从江苏南京和句客不同地块内采集的草莓矮缩病株地上部(大鸡冠300株,宝交早生200株和美国6号30株)进行分离,都获得同一种滑刃属线虫。经研究,这种线虫与Christie(1942)原始报道的Apbelenchoides besseyi以及从水稻干尖线虫病病种上分到的A.besseyi在形态特征上完全相同或相似,因此将其鉴定为Apbelcnchoides besseyi Cbristie,1942。对分自江苏草莓和稻种的A.bessezi进行人工培养,然后交互接种草莓和水稻,在两种线虫处理中都出现了典型的草莓矮缩和水稻干尖症状,并从有关病株内分离到与接种相同的线虫,由此证实江苏草莓夏矮病的发生。 From 1986 to 1987, many parts of the strawberry dwarf strain collected from different plots in Nanjing, Jiangsu Province and China were separated from each other (300 in big cocks, 200 in Baojiao and 200 in the United States, and 30 in the United States) Get the same kind of Glomus. It has been found that this nematode was morphologically identical or similar to the Apbelenchoides besseyi originally reported by Christie (1942) and A.besseyi derived from the susceptible strain of rice stem-tip nematode, and was therefore identified as Apbelcnchoides besseyi Cbristie, 1942. A.bessezi cultivated in Jiangsu strawberries and rice varieties were artificially cultivated and then inoculated with strawberry and rice alternately. Typical symptoms of strawberry dwarfing and dry tip of rice appeared in both nematode treatments and were isolated from the relevant isolates To inoculate the same nematode, thus confirming the occurrence of summer strawberry dwarf disease in Jiangsu.
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