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유기재배 과원에서 큰검정풍뎅이 방제를 위한 기피 살충자재 선발
송장훈,압둘알림,최으뜸,최덕수,서호진,Song, Jang-Hoon,Md, Abdul Alim,Choi, Eu-Ddeum,Choi, Duck-Soo,Seo, Ho-Jin Korean Association of Organic Agriculture 2018 韓國有機農業學會誌 Vol.26 No.2
The study investigated the efficacy of four different essential oils on the repellent responses of large black chafer (Holotrichia parallela) Motschulsky (Coleoptera: Scarabaeidae) in organic pear (Pyrus pyrifolia) orchards. Cinnamon, pine, peppermint, and eucalyptus oils were used, and the behavioral responses and repellent effects against H. parallela were investigated under laboratory and field conditions. Adult beetle responses to different oils were examined using a Y-tube olfactometer in the laboratory and four absorbent blocks with each oil in the field. The repellent responses rates of H. parallela were 100% for cinnamon oil; however, only 67% of adult beetles avoided peppermint and eucalyptus oil in the Y-tube olfactometer bioassay. In the field tests, the least damage to leaves was observed on trees treated with cinnamon oil, whereas the most damage was observed in the control (non-treated) trees and those treated with peppermint oil, followed by eucalyptus and pine oil. Therefore, cinnamon oil can be used as a repellent to avoid damage form large black chafers in organic pear orchards.
배 유기재배 과수원의 병해충 관리 실태 및 생물 다양성
송장훈,임경호,조영식,이한찬,Song, Jang-Hoon,Lim, Kyeong-Ho,Cho, Young-Sik,Lee, Han-Chan 한국유기농업학회 2013 韓國有機農業學會誌 Vol.21 No.4
배 유기재배 과수원에서 최근 문제되는 병해충 종류와 재배농가의 병해충 관리수준을 설문조사하고 조류, 양서류, 파충류, 설치류 등 척추동물의 생물다양성을 일반 화학농약 방제농가와 비교하고자 2010년에 포장조사를 수행하였다. 유기재배 과수원 총 22개소에서 설문조사와 포장조사를 한 결과, 유기재배 농가는 유기재배 병해충 관리자재로 석회황합제, 식물추출물 및 미생물 혼합물, 오일류 등을 선호하였으며, 주요 문제 병해충은 검은별무늬병, 붉은별무늬병, 깍지벌레류, 배나무면충, 배굴나방 등이었다. 유기자재 살포횟수는 병해 방제를 위해 9~10회, 해충 방제를 위해 5~6회 수준이었다. 유기재배 과수원이 관행재배에 비해 검은별무늬병 이병율과 이병도는 높았으나, 깍지벌레류 피해는 차이가 없었고 과중은 감소하였다. 양서류, 뱀, 설치류, 꿩 등은 관행재배와 유기재배 과수원 간에 차이를 확인할 수 없었으나, 멧비둘기의 경우 유기재배 과수원에서 개체수가 유의하게 많은 섭식활동을 하였다. This study was conducted to survey the current pest occurrence and grower's pest management practices, and to investigate biodiversity including birds, snakes, rodents, and amphibians in organic pear orchards. From the questionnaires and field survey of 22 organic orchards in 2010, the materials such as lime sulphur, plant extracts and their mixtures with microorganisms, and oils were preferred over insecticides. Scab, mealybugs, woollybugs and barkminers were the major pests for organic pear growers. Environment-friendly fungicides and insecticides were applied 9 to 10 and 5 to 6 times respectively. Incidence and severity of scab on Niitaka pear fruits in organic orchards was higher than in conventional ones. Whereas for mealybugs there was no significant difference between organic and conventional orchards. Pear fruits in organic orchards were significantly smaller than those of non-organic orchards. For the biodiversity of amphibians, snakes, pheasants, and rodents, there was no significant difference between organic and conventional orchards, but Rufous turtle doves were monitored more in organic areas than in conventional ones.
송장훈,압둘알림,최으뜸,서호진,Song, Jang-Hoon,Md, Abdul Alim,Choi, Eu-Ddeum,Seo, Ho-Jin Korean Association of Organic Agriculture 2018 韓國有機農業學會誌 Vol.26 No.2
The efficacy of different control techniques against the large black chafer, Holotrichia parallela Motschulsky (Coleoptera: Scarabaeidae), in organic pear (Pyrus pyrifolia) orchards was evaluated. In this study, field trials were conducted in three locations in Korea-Naju, Hampyeong, and Boseong-to evaluate different techniques to suppress these beetles. Pheromone traps, bio-insecticides (Hongmengye and Melchungdaejang), and a combination of the two were applied as treatments. In Naju, Hampyeong, and Boseong, the highest number of adult H. parallela were caught in the control plots (n=45, n=39, and n=20, respectively), while the fewest were caught in the pheromone plus bio-insecticide plot (n=19) in Naju and in the combined treatment plot in Hampyeong (n=10). In Naju, the greatest leaf damage was observed in the control (66%), and in all locations (Naju, Boseong, and Hampyeong), the least damage occurred in the combined treatment plots (42%, 36%, and 24%, respectively). Regarding the tree canopy, the greatest leaf damage was observed in the upper canopy, and less damage was observed in the lower canopy. These results demonstrate that the combination of sex pheromone traps and bio-insecticides can be used to manage H. parallela in organic pear orchards.
까치의 배 사과 품종별 과일 선호도 및 스치로폼 함유 먹이에 대한 반응
송장훈(Jang-Hoon Song),조광식(Gwang-Sik Cho),김재철(Jae-Cheol Kim),김동아(Dong-A Kim),이인구(In-Gu Lee),조영식(Young-Sik Cho),최영문(Yong-Mun Choi) 한국조류학회II 2007 한국조류학회지 Vol.14 No.1
사육중인 까치를 대상으로 배 품종별 섭식량을 비교한 결과 초기에는 원황과 황금배에 대한 선호도가 높았으나, 후기엔 신고와 추황배를 더 선호하였고, 사과의 경우 산사, 추광, 쓰가루에 대해 선호도가 높았다. 그리고 4호(직경 2㎜) 스티로포움 입자가 포함된 동물성 먹이를 까치에게 제공한 결과 덩어리 형태로 배출해 버릴 뿐 거식증을 유발시키지 못하였다 In the cage experiment the consumption extent of pear and apple fruits by black-billed magpies was measured from 11 and 12 varieties, respectively, at 10 to 15 day-intervals. Overall Wonwhang, Whangkumbae, Niitaka, and Chuwhangbae pear varieties were preferred by the birds, whereas in apple Sansa, Chukwang and Tsugaru varieties were preferred. To reduce the capacity of fruit consumption by the black-billed magpies in the orchard, the mixed diet with granules of styrofoam (No. 4; 2 ㎜ diameter) were fed to the magpies in the cage and their body weight change was recorded. The results showed that the magpies had rarely lost their body weight, since they immediately vomited all the styrofoam taken as a form of pellet.
사육상에서 까치, 물까치, 직박구리의 과실먹이 섭식행동
송장훈(Jang Hoon Song),신길호(Gil Ho Shin),조영식(Young Sik Cho),박장현(Jang Hyun Park),이한찬(Han Chan Lee) 한국원예학회 2012 원예과학기술지 Vol.30 No.1
To investigate the bird’s dieting behavior for several fruits in orchards, this study was carried out in 2008. Black-billed magpies (Pica pica), azure-winged magpies (Cyanopica cyanus), and brown-eared bulbuls (Hypsipetes amaurotis) made their unique marks on the surface of pear and apple fruits; black-billed magpies pecked fruits strongly and left round holes with perpendicular angle, whereas those of azure-winged magpies and brown-eared bulbuls were sack-shaped with narrow neck and marked unique stripes on the skin. For the fruits of pear and apple from bagging practices, the birds showed different foraging behavior; black-billed magpies could injure all kinds of fruits whether with paper bags or not, but azure-winged magpies and brown-eared bulbuls could not attack the fruits with paper bag. Azure-winged magpies and brown-eared bulbuls preferred pear fruits to those of apples and satsuma mandarins in the cage trials. To reduce the injuries by azure-winged magpies and brown-eared bulbuls on pear and apple fruit, wrapping bag should not be impaired. Introducing azure-winged magpies to Cheju should be prohibited for the potential citrus injury by them.