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증상을 유발한 거대 지방종을 복강경 비장만곡부절제술로 치료한 2예
백현준,유현,조용걸,손경모 대한내시경복강경외과학회 2012 Journal of Minimally Invasive Surgery Vol.15 No.2
Colonic lipomas are rare diseases. Incidence of colonic lipomas is only 0.1∼4.4%. However, after benign adenomatous polyp, they are the second most common benign disease of the colon. Most colonic lipomas do not require treatment. However, large colonic lipomas or those that cause symptoms require treatment (>2 cm). There are several options for treatment. For example, endoscopic removal, laparoscopic surgery, and open surgery can all be considered. We report on two cases of giant colonic lipomas that caused symptoms. Both were located at the splenic flexure colon, and were safely treated with laparoscopic surgery.
뽕나무 총채벌레의 발생소장(發生消長)과 수종살충제(數種殺蟲劑)의 처리효과(處理效果)
백현준 ( Hyun Jun Paik ) 한국잠사학회 1976 한국잠사곤충학회지 Vol.18 No.2
1. 발생소장은 기상환경 중 강우량 및 일조시수에 큰 영향을 받으며 8월초 밀도가 급증하여 하순에 Peak를 나타내었다. 2. 엽위별분포는 상부로부터 4-16엽이 분포하고 그 중 6-12위엽에 최대로 분포하였다. 3. Orthene, Metasystox의 방제효과가 우수하였다. Experiments had been carried out in Suweon area from 1972 to 1973 to determine the seasonal fluctuation of Pseudodendrothrips mori NIWA using direct counts and to know the effects of chemicals for its control. 1. The fluctuation of mulberry thrips was especially influenced by precipitation and number of hours with sunshine in the meteological conditions. The peaks of fluctuation occurred several times but the highest peak occurred in late August. 2. The mulberry thrips was distributed in the range of the 4th to 16th leaves from the apex in a branch. The highest density leaves were 6th to 12th. 3. Orthene, Metasystox were the most effects on the mulberry thrips.
뽕나무애바구미의 생태(生態) 및 방제(防除)에 관(關)한 연구(硏究)
백현준 ( Hyun Jun Paik ),백운하 ( Woon Hah Paik ) 한국잠사학회 1976 한국잠사곤충학회지 Vol.18 No.2
본 시험은 뽕나무애바구미의 외부형태, 생활사 및 약제방제법을 구명하기 위하여 실시하였다. 그 결과는 다음과 같다. 1. 성충은 칠흑색, 장정원형이고 주둥이는 길다. 암컷의 체장은 3.30±0.04mm, 폭 1.47±0.04mm, 주둥이 길이는 1.25±0.014mm이고 숫컷의 체장은 3.28% 0.06mm, 체폭 1.40±0.04mm, 주둥이 길이는 1.30±0.02mm이었다. 더듬이는 12절의 슬상이다. 숫컷의 복부는 끝이 뾰족하게 튀어 나왔고 암컷은 거의 일직선이다. 2. 난은 유백색의 장타원형이고 길이 0.51±0.05mm, 폭 0.32±0.02mm이었다. 3. 유충은 유백색, 원통형이며 두부는 농갈색이다. 다리는 없고 체장 3.88±0.06mm, 체폭 1.40±0.02mm이고 각절에는 많은 주름과 잔털이 있다. 4. 용은 장타원형 유백색이며 나용이다. 체장은 3.53±0.09mm, 체폭 1.40±0.03mm이었다. 5. 대부분 1년1세대이고 벌채 후 남는 가지 속에서 성충으로 월동하며 이듬해 4월 하순에서 5월 초순에 탈출한다. 그러나 일부 암컷은 당년에 탈출산난하며 유충(0.4%)이나 용(0.1%)으로 월동한다. 6. 난은 대부분 벌채 후 남은 가지의 전피층에 산난하고 암컷의 평균 산난수는 73.44±8.74개이고 평균 산난일수는 33.88±6.04일이었다. 난기간은 11.69±0.39일, 유충기간은 45.04±1.63일, 용기간은 11.05±0.49일이었다. 성충의 잠복기는 약 270일이고 활동기간은 46.7±5.9일이었다. 7. 유충은 가지의 형성층을 먹고 성충은 동아, 잠복아, 엽병, 신초의 기부를 가해한다. 8. 성충의 발생소장은 춘벌상전에서는 5월 초순에, 하벌상전에서는 6일 중순에 두면 peak를 나타냈다. 9. 유충밀도와 가지의 지름과 길이와는 정(+)의 상관을 이루었다. 10. 뽕나무애바구미의 가지당 성충의 분포는 부(-)의 이항분포를 이루었다. 11. 조사된 천적은 유충외부에 기생하는 좀벌이 발견되었고 이 좀벌의 기생률은 11.9%이었다. 12. Phosvel분제, Malix분제, Salithion유제, DDVP유제, Cidial 유제의 성충에 대한 방제효과가 우수하였고 핵충에 대해서는 Satchukoto-S유제, Salithion유제가 비교적 우수한 편이였다. The mulberry small weevil, Baris deplanata ROELOFS, has highly infested mulberry trees in Korea. As the damage caused by the mulberry small weevil in mulberry fields has been increased over the country since 1969, the authors has carried out a series of biological and controlling studies on the pest from 1971 to 1972. The results obtained are summarized as follows. 1. The adult weevil is elongate oval in shape with black in color and the probocis is long as usual in curculionidae. The size of adult female is 3.30±0.04mm in length, 1.47±0.04mm in width, and the length of proboscis is 1.25±0.014mm, while adult male is 3.28±0.06mm in length, 1.40±0.04mm in width, and the length of proboscis is 1.30±0.02mm. The antenna is geniculate consisting of 12 segments. The terminal sternite of the abdomen has a pointed tip in male but not in female. 2. The egg is long oval in shape, milky white in color, 0.51±0.05mm in length and 0.32±0.02mm in width. 3. The mature larva is cylindrical and light yellowow in color except the head of dark brown, and legless, 3.88±0.06mm in length, 1.40±0.02mm width, each segment bearing many wrinkless and short setae. 4. The pupa is long oval, milky white and exarate, 3.53±0.09 in length, 1.40±0.03mm in width. 5. Majority of the species has one generation through a year and overwinters as adult in xylem of withered branch and come out again from late April to early May in next year. But some of the female oviposit in the same year and the offsprings overwinter as larva (0.4%) or pupa (0.1%) 6. The eggs are mostly laid under the cork layer of withered branch and the number of eggs deposited by an adult female is 73.44±8.74, the average egg-laying period is 33.88±6.04 days. The incubation period is 11.69±0.39 days, the larval period 45.04±1.63 and the pupal period 11.05±0.49 days. The period of adult`s activity is 46.7±5.90 days. 7. The larvae feed on the cambium under the bark and adults feed on the winter bud, the latent bud, the leaf stalk and the base of newly shoot. 8. An active period of adults was observed during the period of 4 months from April to July. However, the peak of adult-density occurred in the early May (in the fields of spring-prunning) and early to middle June(in the fields of summer-prunning). 9. There is a positive correlation between the density of larvae and diameter and length of the branches. 10. The pattern of distributions of the adult of mulberry small weevil is negative binomial distribution. 11. The chalcid fly was disclosed to be a natural enemy which was parasite on the larvae of mulberry small weevil and its parasitic ratio was 11.9%. 12. Phosvel D, Malix D, Salithion EC, DDVP EC, and Phosvel EC were effective for the control of adults and Satchukoto-S EC, and Salithio EC were effective for the control of larvae.