腐烂茎线虫（Ditylenchus destructor Thorne,1945）生物学研究进展

doi:10.13560/j.cnki.biotech.bull.1985.2021-0600

摘要/Abstract

摘要：

腐烂茎线虫（Ditylenchus destructor Thorne,1945）是世界上重要的植物病原线虫和我国全国农业植物检疫性有害生物,为害甘薯、马铃薯、大蒜等多种地下结实作物,在许多杂草和真菌上也能生长和繁殖。腐烂茎线虫喜凉怕热、喜湿怕干,主要通过寄主作物的无性繁殖材料传播和扩散。在不同作物上,它的田间持续存活、侵染和损害表现存在明显差异,但相关原因和机制不甚明确。本文综述了腐烂茎线虫的地理分布、寄主范围、生殖发育、侵染循环、环境适应能力及其存活寄生相关分子机制,指出了需要深入探讨的主要问题,有望为这种危险性有害生物的预警防控研究和实践提供新的思路和有用参考。

关键词: 腐烂茎线虫, 寄主适合性, 土壤存活, 侵染部位, 群体多样性

Abstract:

The potato rot nematode,Ditylenchus destructor Thorne,1945,is an important plant-pathogenic nematode in the world and a plant quarantine pest on national agriculture of China. It causes harms to many underground fruit-bearing crops such as sweet potato（Ipomoea batatas）,potato（Solanum tuberosum）,garlic（Allium sativum）,etc.,and can also grow and reproduce on a great number of weeds and fungi. D. destructor is benefited by coolness and high humidity,whereas may be adversely affected by high temperature and desiccation. The nematode is mainly carried by infected vegetative propagation materials of host crops for both long-distance dissemination and local dispersal. There are obvious variations in its persistent survival,infection and damage performances among some different host crops,but the related causes and mechanisms have been still essentially unknown. D. destructor is here reviewed in the geographical distribution,host range,reproduction and development,infection cycle,environmental adaptation,and survival and parasitism related molecular mechanisms,main research topics that need to be further explored are pointed out,aiming to provide novel ideas and serviceable references for the research and practice in forewarning and management of the high risk pest.

Key words: Ditylenchus destructor, host suitability, survival in soil, infection locaton, population diversity

赵洪海, 梁晨, 张浴, 段方猛, 宋雯雯, 史倩倩, 黄文坤, 彭德良. 腐烂茎线虫（Ditylenchus destructor Thorne,1945）生物学研究进展[J]. 生物技术通报, 2021, 37(7): 45-55.

ZHAO Hong-hai, LIANG Chen, ZHANG Yu, DUAN Fang-meng, SONG Wen-wen, SHI Qian-qian, HUANG Wen-kun, PENG De-liang. Research Advances of Biology in Ditylenchus destructor Thorne,1945[J]. Biotechnology Bulletin, 2021, 37(7): 45-55.

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