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首页> 外文期刊>Pest Management Science >Hot water treatment: an effective method for disinfecting Castanea sativa mill. dormant scions against Dryocosmus kuriphilus Yasumatsu
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Hot water treatment: an effective method for disinfecting Castanea sativa mill. dormant scions against Dryocosmus kuriphilus Yasumatsu

机译：热水处理：一种有效的消毒苜蓿磨机的方法。 对Dryocosmus Kuriphilus Yasumatsu的休眠间隙

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摘要

BACKGROUND The Asian chestnut gall wasp (ACGW) Dryocosmus kuriphilus Yasumatsu is the most severe pest of the genus Castanea worldwide. After its arrival in Europe, the insect dispersed rapidly from Italy to other European countries, as well as spreading over long distances within each country because of the unintentional transport of infested chestnut material owing to the fact that infestation inside the dormant buds is visually undetectable. Hot water treatment (HWT) has been tested in terms of pest and diseases control in propagation processes with a wide range of plant material and species, including the Asian chestnut Castanea mollissima cv 'Qing'. Taking into account the different thermal tolerances of plant species, an experiment to disinfect Castanea sativa scions from ACGW by HWT was performed. The effects of the immersion of dormant scions for 10 min at two water temperatures (49 and 52 degrees C), with and without a previous period of water hydration, were tested. RESULTS A 10 min soak at 49 degrees C was effective in killing ACGW larvae while retaining an excellent percentage of successful grafts. The pre-HWT hydration stage did not influence the success of the treatment. Positive shoot growth was also recorded after HWT. CONCLUSIONS We report for the first time the effectiveness of a simple and environmentally friendly protocol based on hot water for the disinfection of European chestnut (C. sativa) scions against D. kuriphilus. This will enable nurseries to supply plants free from this pest, preventing the insect dispersion, which will have a positive socio-economic impact to the chestnut tree sector. Also positive environmental impact will be favoured as gall wasp proliferation will decrease. (c) 2019 Society of Chemical Industry
机译：背景技术亚洲栗子胆是（ACGW）Dryocosmus kuriphilus Yasumatsu是全球Castanea属的最严重的害虫。抵达欧洲后，昆虫从意大利迅速分散给其他欧洲国家，并且由于由于在视觉上未检测到的侵扰性侵扰的事实而无意地运输虫蛀材料，因此在每个国家的长距离蔓延。热水处理（HWT）在繁殖过程中进行了测试，繁殖过程中具有广泛植物材料和物种的繁殖过程，包括亚洲栗子Castanea Mollissima CV'Qing'。考虑到植物物种的不同热耐受性，进行了从HWT中消毒Castanea Sativa Scions的实验。测试休眠间隙10分钟在两个水温（49和52℃），有和没有前一段时间的水合化的影响。结果49摄氏度10分钟浸泡在杀死ACGW幼虫时有效，同时保留了优异的成功移植物。 PRE-HWT水合阶段没有影响治疗的成功。 HWT后也记录了积极的射击生长。结论我们首次报告了一种基于热水的简单和环保协议的有效性，用于对欧洲栗子（C. Sativa）Scion对抗D. Kuriphilus的消毒。这将使托儿所能够从这种害虫免于提供植物，防止昆虫分散，这将对栗子树部门产生积极的社会经济影响。由于胆碱增殖将减少，因此阳性环境影响也将受到青睐。 （c）2019年化学工业协会

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