http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
고추(Capsicum annuum)의 Tobacco Mosaic Virus (TMV) 저항성 및 이병성을 구별할 수 있는 분자표지개발
이강민(Kangmin Lee),황인덕(Indeok Hwang) 한국원예학회 2021 한국원예학회 학술발표요지 Vol.2021 No.10
Tobamovirus군에 속하는Tobacco Mosaic Virus (TMV)는 토마토, 고추, 파프리카 등에 나타나는 모자이크병 중 하나이다. TMV의 병징은 생육이 왕성한 시기에는 잘 나타나지 않는다. 일반적인 병징으로는 잎과 잎자루, 줄기 등에 갈색 반점이 나타나며, 심한 경우 잎과 꽃눈이 떨어지고 가지가 고사된다. 이러한 TMV는 실온에서 1개월 이상 병원성을 가지며 건조시킨 식물체에서도 오랜 기간 감염성을 유지한다. 1980년 저항성 유전자좌인 L loucs가 발표되었다. L loucs의 L 유전자는 L<SUP>0</SUP>, L<SUP>1</SUP>, L<SUP>2</SUP>, L<SUP>3</SUP>, L<SUP>4</SUP> 유전자이다. L<SUP>0</SUP>, L<SUP>1</SUP>, L<SUP>2</SUP> 유전자의 서열은 각각 Capsicum annuum의 유전자원인 ECW, Tisana, CM334에서 보고되었다. L<SUP>3</SUP>와 L<SUP>4</SUP>유전자는 각각 C. chinense와 C. chaccoense에서 서열이 보고되었다. 본 연구에서는 보고된 L유전자를 C. annuum에 적용하여 TMV 저항성 유전자를 식별하는 분자표지를 개발했다. L<SUP>1</SUP>, L<SUP>3</SUP>, L<SUP>4</SUP> 유전자를 식별하는 분자표지를 이용하여 저항성을 확인 할 수 있었으며, 향후 고추 육종에서 복합 저항성 품종을 개발하는데 활용 될 수 있을 것으로 예상된다.
접목 토마토의 생육 특성, 엽 내 양분 함량 및 엽록소형광 분석을 통한 황화잎말림바이러스(TYLCV)에 대한 대목 성능 검정
이혜원(Hyewon Lee),정효봉(Hyo Bong Jeong),이준구(Jun Gu Lee),황인덕(Indeok Hwang),권덕호(Deok Ho Kwon),안율균(Yul Kyun Ahn) 한국원예학회 2023 원예과학기술지 Vol.41 No.5
The grafting technique has widely been used with fruits and vegetables in an effort to increase productivity for long-term cultivation. For long-term cultivation, the result is increased vigor provided by the rootstock, which allows the scion to grow longer, even in the presence of a virus. This study was conducted to evaluate the performance of rootstocks having different TYLCVresistance levels by comparatively analyzing the growth, yield, nutrient concentration in the petiole sap, and chlorophyll fluorescence in tomatoes grown via a hydroponics system. The domestic cultivars ‘HSF4’ and ‘BWM’ were used as the TYLCV-susceptible rootstocks, and ‘21LM’ and ‘21A701’ were used as the TYLCV-resistant rootstocks. The tomato variety ‘Red250’ was used as the TYLCV-resistant scion and the non-grafted control plants. The tomato plants were infected overall with TYLCV at ten weeks after transplanting. Grafted tomatoes on the TYLCV- resistant rootstocks ‘21A701’ and ‘21LM’ were vigorous, and the yields were 7,999g and 7,754g respectively, correspondingly higher by 25% and 22% than those using the TYLCV-susceptible rootstock ‘BWM’. Moreover, the growth strength of ‘21A701’ was highest compared to the others. The NO₃-N concentration of ‘21A701’ was highest at 1,211mg·L<SUP>-1</SUP>, and that of ‘BWM’ was lowest at 835mg·L<SUP>-1</SUP> at 36 weeks after transplanting. The K<SUP>+</SUP> concentration of ‘21A701’ was highest at 4,050mg·L<SUP>-1</SUP>, and the non-grafted case was lowest at 3,350mg·L<SUP>-1</SUP>. The maximum quantum yield of the primary PSⅡ photochemistry (FV/FM) and the performance index based on the absorption (PIABS) of ‘21LM’ were highest at 0.803 and 2.990, respectively. The non-grafted samples were lowest at 0.739 and 1.422, respectively. The grafted plants on the TYLCV-resistant rootstocks had high vigor of the root system and greater mineral and water uptake levels, leading to an increased yield, likely due to the high concentrations of nutrients reaching the leaves and the high photosynthetic efficiency. The use of TYLCV-resistant rootstocks was required to improve the yields up to the late harvest stage. We concluded that tomato grafting onto TYLCV-resistant rootstocks can increase the uptake of mineral nutrition and the photosynthetic efficiency, thereby affecting plant growth and the fruit yield.