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총 182건 검색
본문검색 결과만 보기
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Morphology and Molecular Characteristics of Alternaria sonchi Causing Brown Leaf Spot on Sonchus asper in Korea
Huan Luo, Myung Soo Park, Jun Myoung Yu 한국식물병리학회 식물병연구 8 Pages
한국식물병리학회 식물병연구 2021, 27권 3호 3 107-114 (8 pages)
Sonchus asper. Leaf lesions were round or irregular in shape, and grayish brown to brown with a purple margin. In severe infection, lesions enlarged and coalesced, resulting in blighting of the leaves. The isolates from these leaf lesions were identified as Alternaira sonchi based on morphological characteristics and phylogenetic analyses of Internal transcribed spacer region, Alternaria allergen a1, glyceraldehyde 3-phosphate dehydrogenase, RNA polymerase II, and translation elongation factor... -
Effect of Cotton Leaf Mosaic Disease on Morphology, Yield and Fibre Characteristics of Upland Cotton in Pakistan
한국식물병리학회 The Plant Pathology Journal 5 Pages
한국식물병리학회 The Plant Pathology Journal 2005, 21권 2호 10 137-141 (5 pages)
The effect of cotton leaf mosaic disease on morphology,yield and fibre characteristics was examined for a susceptible cotton candidate variety CRIS-168. Plants inoculated at most susceptible growth stage (six week) under screen house showed severe mosaic symptoms.There was a significant reduction in plant height and yield. Cotton leaf mosaic disease was found to produce severe effects on plant morphology with 24.1% reduction in plant height, 25% in internode length and 37.5% in number of... -
Role of Mesophyll Morphology in Determination of Leaf Photosynthesis in Field Grown Soybeans
Yun. Jin Il, Lauer. Michael J., Taylo. S.Elwynn 한국작물학회 韓國作物學會誌 8 Pages
한국작물학회 韓國作物學會誌 1991, Vol.36 No.6 560-567 (8 pages)
콩잎의 광합성능력이 잎의 내부형태 변이와 관련되어 있는지 검토하기 위해 대두품종 ‘Hodg-son 78’을 공시하여 포장실험을 수행하였다. 잎의 내부 형태면이를 촉진시키기 위해 착협시(R3 stage)에 유아주기 (1m이랑당 26주에서 6.5주)와 곁가지 치기를 통해 source활성 증대를, 계속적인 꼬투리 제거 (절위당 한개의 꼬투리만 남김)를 통해 sink활성 감소를 시도하였다. 협신장기(R4 stage)로부터 3-4일 간격으로 5회에 걸쳐 제 10절위 복엽의 중앙소엽을 대상으로 기체교환특성, 잎의 두께, 엽육세포의 체적 및 표면적, 그리고 주변... -
Morphology and Leaf Color Changes of Grafted Tomato Plug Seedlings Irradiated by Different Wavelengths of Photosynthetically Active Radiation during Low Light Irradiation Storage
박종석, 후지와라 카즈히로, Park. Jong-Seok, Fujiwara. Kazuhiro 한국생물환경조절학회 생물환경조절학회지 5 Pages
한국생물환경조절학회 생물환경조절학회지 2008, Vol.17 No.4 283-287 (5 pages)
본 연구는 저광 조사 저온 저장 중 광합성유효방사(PAR)내의 각 파장이 토마토 묘의 형태와 엽색 변화에 미치는 영향을 조사하기 위하여 실시되었다. $10{pm}0.5^{circ}C$의 온도와 피크 파장이 각각 405, 450, 505, 545, 600, 645, 680, 700nm의 발광다이오드로부터 조사된 $3{mu}mol;m^{-2}s^{-1}$의 광합성유효광량 자속밀도 조건에서 토마토 접목묘를 28일간 저장하였다. 405, 450, 505nm의 파장에서 저장된 묘의 잎은 다른 파장에서 저장된 잎에 비해 직립하는 경향을 보였으며, 특히 450과 505nm 파장에서 저장된 묘의 경우 엽축... -
Incidence of Alternaria Species Associated with Watermelon Leaf Blight in Korea
Oh-Kyu Kwon, A-Ram Jeong, Yong-Jik Jeong, Young-Ah Kim, Jaekyung Shim, Yoon Jeong Jang, Gung Pyo Lee, Chang-Jin Park 한국식물병리학회 The Plant Pathology Journal 10 Pages
한국식물병리학회 The Plant Pathology Journal 2021, 37권 4호 2 329-338 (10 pages)
Alternaria leaf blight is one of the most common dis- eases in watermelon worldwide. In Korea, however, the Alternaria species causing the watermelon leaf blight have not been investigated thoroughly. A total of 16 Alternaria isolates was recovered from diseased water- melon leaves with leaf blight symptoms, which were collected from 14 fields in Korea. Analysis of internal transcribed spacer (ITS) region, glyceraldehyde-3-phos- phate dehydrogenase (GAPDH), and RNA polymerase II second largest... -
Preparation of Nanomaterial Wettable Powder Formulations of Antagonistic Bacteria from Phellodendron chinense and the Biological Control of Brown Leaf Spot Disease
Yanling Zeng, Han Liu, Tianhui Zhu, Shan Han, Shujiang Li 한국식물병리학회 The Plant Pathology Journal 17 Pages
한국식물병리학회 The Plant Pathology Journal 2021, 37권 3호 2 215-231 (17 pages)
Brown leaf spot disease caused by Nigrospora guilin- ensis on Phellodendron chinense occurs in a large area in Dayi County, Chengdu City, Sichuan Province, China each year. This outbreak has severely reduced the production of Chinese medicinal plants P. chinense and caused substantial economic losses. The bacterial isolate JKB05 was isolated from the healthy leaves of P. chinense, exhibited antagonistic effects against N. guilinensis and was identified as Bacillus megaterium. The following... -
Induction of Systemic Resistance against Bacterial Leaf Streak Disease and Growth Promotion in Rice Plant by Streptomyces shenzhenesis TKSC3 and Streptomyces sp. SS8
Erneeza Mohd Hata, Mohd Termizi Yusof, Dzarifah Zulperi 한국식물병리학회 The Plant Pathology Journal 9 Pages
한국식물병리학회 The Plant Pathology Journal 2021, 37권 2호 8 173-181 (9 pages)
of rice bacterial leaf streak (BLS) disease. Seed bacterization by Strep- tomyces strains improved seed germination and vigor, relative to the untreated seed. Under greenhouse con- ditions, seed bacterization with consortium treatment TKSC3 + SS8 increased seed germination, root length, and dry weight by 20%, 23%, and 33%, respectively. Single and consortium Streptomyces treatments also successfully suppressed Xoc infection. The result was consistent with defense-related enzyme quantification...
