Study on the bottleneck of green control technology for Root-knot nematode in continuous cropping area of facility vegetables

doi:10.6048/j.issn.1001-4330.2025.S1.031

Abstract

Abstract:

【Objective】 Root-knot nematodes can infect over 3,000 plant species, including tomato and chili, posing a significant threat to the high-quality development of Xinjiang's facility vegetable industry.However, the promotion and application of green control technologies for root-knot nematodes face numerous barriers.This study aims to explore the key obstacles to the application of green control technologies in Xinjiang's facility vegetable rotation areas.It aims to provide a scientific basis for building an efficient and sustainable green control system suited to arid regions. 【Methods】 Through questionnaires, field sampling, and expert interviews, this study determines the occurrence of root-knot nematodes and the current status of existing control technologies in Xinjiang's facility vegetables.It also identifies the barriers to the application of green control technologies. 【Results】 The study confirms that the Southern root-knot nematode is the primary species affecting Xinjiang's facility vegetables.Existing control technologies suffer from a lack of standardized guidance, over-reliance on chemical control, low technological integration, and slow promotion of biological control technologies. 【Conclusion】 To better promote green control technologies for root-knot nematodes in Xinjiang's facility vegetable rotation areas, it is necessary to develop and integrate nematode control technologies based on Xinjiang's unique geographical environment.This can be achieved through joint policy and market efforts, demonstration area construction, and coordinated inter-departmental resource integration, providing support for the implementation of green control technologies for root-knot nematodes in Xinjiang's facility vegetable continuous planting areas.

Key words: facility vegetables; continuous cropping; root-knot nematode; green control technology

摘要：

【目的】 探究绿色防控技术在新疆设施蔬菜轮作区推广应用中面临的问题,为构建符合干旱区特点的高效、可持续绿色防控体系提供科学决策依据。【方法】 通过调查问卷、实地采样、专家访谈等方法,分析新疆设施蔬菜的发生与现有防控技术应用现状,梳理绿色防控技术应用落地的瓶颈。【结果】 南方根结线虫是危害新疆设施蔬菜的主要种类,而现有的防治技术存在缺乏规范指导、过度依赖化学防治、技术集成度低、生物防治技术推广缓慢等问题。【结论】 基于新疆特殊的地理环境进行线虫防控技术的开发与集成,通过政策-市场共同推动,示范区建设协同跨部门资源整合。

关键词: 设施蔬菜, 连作, 根结线虫, 绿色防控

CLC Number:

S436

HUANG Xin, HE Wei, LUO Wenfang, ZHOU Junhui, ZHANG Xiang, XU Jianjun. Study on the bottleneck of green control technology for Root-knot nematode in continuous cropping area of facility vegetables[J]. Xinjiang Agricultural Sciences, 2025, 62(S1): 156-161.

黄欣, 何伟, 罗文芳, 周军辉, 张祥, 许建军. 设施蔬菜连作区根结线虫绿色防控技术落地瓶颈[J]. 新疆农业科学, 2025, 62(S1): 156-161.

Figures/Tables 3

Fig.1 Root-knot nematode infection symptoms in Xinjiang Notes:A-I: Symptoms of root-knot nematode infection in the roots of (A) cowpea, (B) radish, (C) celery, (D) tomato, (E) pepper, (F) pakchoi, (G) cucumber, (H) purslane, and (I) eggplant

Fig.2 Morphological characteristics of second instar larvae, males, and females of Meloidogyne incognita (A) and M. hapla (B). Notes:a: whole male body. b: front part of male body. c: tail part of male body. d:whole second instar larvae. e: front part of second instar larvae. f: rear part of second instar larvae. g: whole femalebody. h: perineal pattern of female body. i: head of female body

Fig.3 Species identification via PCR with the specific primer pair set Notes:A:Amplification product using M. incognita specific primers MI-F/MI-R. B:Amplification product using M. hapla specificprimers MH-F/MH-R. M, 2 kb DNA marker; lane 1-57, root knot nematode female samples isolated from 57 infected vegetable roots; lane negative control

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