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지역별 시설재배지에서 식물기생선충의 살선충제에 대한 밀도억제 효과 비교
김세희,박상은,고나연,류태희,신효섭,권혜리,서미자,유용만,윤영남,Kim, Sae-Hee,Park, Sang-Eun,Ko, Na-Yeon,Ryu, Tae-Hee,Shin, Heo-Seob,Kwon, Hye-Ri,Seo, Mi-Ja,Yu, Yong-Man,Youn, Young-Nam 한국응용곤충학회 2013 한국응용곤충학회지 Vol.52 No.3
과채류 재배지에서 발생하는 식물기생성 선충의 방제를 위해 충남 공주의 오이 재배지와 충남 부여와 논산, 경남 진주의 딸기 재배지, 전남곡성의 메론 재배지역에서 시설재배와 노지 재배를 하고 있는 농가토양을 채취하여 선충을 분리, 동정한 후 각 지역별 토양에서 abamectin 1.68% SC, cadusafos 3% GR, dazomet 98% GR, fosthiazate 30% SL, BA12011 SL 등 약제들의 선충에 대한 밀도억제 효과를 알아보기 위하여 실내실험과 포장실험을 실시하였다. 대부분의 지역에서 채취한 토양 시료에 분포하고 있는 식물기생성 선충의 평균밀도가 약제처리 후 감소하는 것으로 확인되었지만, 부여의 경우 fosthiazate 처리시 Pratylenchus spp.가, 곡성의 경우 fosthiazate, abamectin, cadusafos, dazomet 처리시 Pratylenchus spp.에 대하여 토양 내 평균 밀도가 상승하였다. 또한 BA12011 처리시 약제처리 후 다른 약제와 비슷한 수준의 개체군 평균밀도를 보였으며, 특히 공주 토양에서는 fosthiazate의 약제처리 효과보다 모든 종에서 높은 방제효과를 확인하였다. 각 지역에서 채취한 토양에 약제처리를 한 후 난낭 형성을 확인한 결과, abamectin의 경우 부여와 진주의 토양에서 효과를 보였고, BA12011은 논산과 곡성, dazomet는 공주에서 난낭 형성을 억제하는 효과를 확인하였다. BA12011을 가지고 오이재배지에서의 방제효과를 살펴본 결과, Meloidogyne spp., Pratylenchus spp., Helicotylenchus spp.의 평균 밀도가 감소하였고, 2차 처리시보다 1차 처리시 평균 밀도의 감소율이 높은 것으로 보아 초기 단계의 방제의 중요성을 확인할 수 있었다. To assess the efficacy of nematicides for the control of plant-parasitic nematodes in fruit and vegetables fields, soil samples were collected from a cucumber field at Gongju; from strawberry fields at Buyeo, Nonsan, and Jinju; and from a melon field at Gocksung in Jeonnam Province, Korea. Plant-parasitic nematodes were separated from each soil sample and identified. The susceptibilities of the nematodes to abamectin 1.68% SC, cadusafos 3% GR, dazomet 98% GR, fosthiazate 30% SL and BA12011 SL were examined under laboratory and field conditions. The average population density of plant-parasitic nematodes was generally reduced after the treatment with nematicides; however, there was increase in the population of Pratylenchus spp. in soil after treatment with fosthiazate at Buyeo and Gocksung. Furthermore, there were increased populations following treatment with abamectin, cadusafos, and dazomet at Gocksung. The control effects of BA12011 treatment on plant-parasitic nematodes were confirmed to be similar to those of the other 4 nematicides evaluated, although its control effect was higher than that of fosthiazate in cucumber-growing soil at Gongju. The effects of nematicide treatment on egg mass formation in each of the collected soils differed according to the region of soil origin. Abamectin was effective in reducing the degree of egg mass formation in Buyeo and Jinju soil, whereas BA12011 was effective in Nonsan and Gocksung soil. Dazomet was found to inhibit egg mass formation in Gongju soil. To evaluate the effect of the newly developed nematicide, BA12011, experiments were conducted in a cucumber-growing greenhouse. The average population densities of Meloidogyne spp., Pratylenchus spp., and Helicotylenchus spp. after the first treatment were reduced to a greater extent than after the second treatment. It is thus suggested that early nematicide treatment is important for effective control of plant-parasitic nematodes.
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김세희(Sae-Hee Kim),박상은(Sang-Eun Park),고나연(Na-Yeon Ko),류태희(Tae-Hee Ryu),신효섭(Heo-Seob Shin),권혜리(Hye-Ri Kwon),서미자(Mi-Ja Seo),유용만(Yong-Man Yu),윤영남(Young-Nam Youn) 충남대학교 농업과학연구소 2013 농업과학연구 Vol.40 No.2
To know how much damages occurred by nematodes in plastic vinyl house field, soil samples were collected from strawberry cultivation areas at Buyeo and Nonsan in Chungnam and Jinju in Kyeongnam, melon cultivation area at Gocksung in Junnam and cucumber field at Gongju in Chungnam. And then, nematode samples were separated from each soil sample, and identified the kind of plant-parasitic nematodes. Plant-parasitic nematodes were separated from 52 soil samples. Among samples, Meloidogyne spp., Pratylenchus spp. and Helicotylenchus spp. were isolated from 45 (86.5%%) and 33 (63.5%) and 47 collected soil samples (90.4%), respectively. As a result of identification of plant-parasitic nematodes from regional collected soil samples, distribution of Helicotylenchus spp. was higher than any other plant-parasitic nematode. And the population of Meloidogyne spp. and Pratylenchu spp. were also higher, and a occurrence ratio of Meloidogyne spp. is higher than Pratylenchu spp. except the cucumber growing area at Gongju.
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