First Report on the Effect of Aqueous Extracts of Hungarian Organic Mulch Materials on Entomopathogenic and Slug-Parasitic Nematodes

Acta Phytopathologica Et Entomologica Hungarica Pub Date : 2019-12-01 DOI:10.1556/038.54.2019.024

Renáta Petrikovszki, Franciska Tóthné Bogdányi, F. Tóth, P. Nagy

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引用次数: 2

Abstract

Few researches address the compatibility of organic mulching and entomopathogenic (EPN) and slug-parasitic (SPN) nematodes, although organic mulching may provide favourable conditions for these beneficial organisms. Our aim was to examine the effect of different concentrations (0.1, 0.5, 1 and 5%) of aqueous extracts of green waste compost, the dry leaf litters of the common walnut (Juglans regia) and Norway maple (Acer platanoides) on EPN (Heterorhabditis bacteriophora, Steinernema carpocapsae, Steinernema feltiae, Steinernema kraussei) and SPN (Phasmarhabditis hermaphrodita) species. Experiments were set up in 96-well, flat-bottom microplates. After a 24-hour exposure time, the number of dead animals was counted under a transmission microscope. Green waste compost extracts caused quite low or no mortality in case of all examined species. Mortality caused by the 5% Norway maple leaf litter extract was moderate (34.6%) in the case of S. carpocapsae juveniles, while 100% of juveniles of other species died. The highest (5%) concentration of the common walnut leaf litter extract caused 100% mortality in all species. As a conclusion, green waste compost mulch seems to be more compatible with EPN and SPN species than common walnut or Norway maple leaf litter mulch.

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匈牙利有机地膜材料水提取物对昆虫病原和蛞蝓寄生线虫影响的首次报告

很少有研究涉及有机覆盖与昆虫病原线虫（EPN）和蛞蝓寄生线虫（SPN）的兼容性，尽管有机覆盖可能为这些有益生物提供有利的条件。我们的目的是研究不同浓度（0.1%、0.5%、1%和5%）的绿色垃圾堆肥、普通核桃（核桃）和挪威枫木（平台枫）的干叶枯落物的水提取物对EPN（细菌性异肌炎、卡氏Steinerma carpocapsae、feltiae Steinermas、kraussei Steinermaa）和SPN（两性异肌炎）物种的影响。实验在96孔平底微孔板上进行。在24小时暴露时间后，在透射显微镜下计数死亡动物的数量。在所有检查物种的情况下，绿色垃圾堆肥提取物造成的死亡率相当低或没有。5%的挪威枫叶枯落物提取物导致的Carpccapsae幼虫死亡率中等（34.6%），而其他物种的幼虫死亡率为100%。最高浓度（5%）的普通核桃落叶提取物导致所有物种100%死亡。总之，绿色垃圾堆肥覆盖物似乎比普通的核桃或挪威枫叶覆盖物更适合EPN和SPN物种。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Acta Phytopathologica Et Entomologica Hungarica Agricultural and Biological Sciences-Plant Science

CiteScore

1.10

自引率

0.00%

发文量

期刊介绍： The journal publishes papers on the infectious diseases of plants, damages caused by insects and deals with the basic aspects of chemical and biological protection. Within its field of interest additional topics such as resistance against plant diseases, and physiological, biochemical and molecular questions of plant resistance and susceptibility are also discussed. Publishes book reviews and advertisements.