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수송 전 Diniconazole과 D-mannitol, D-sorbitol, Wax의 혼용 살포에 따른 접목 선인장 산취의 품질과 표피의 변화
박선미(Seon-Mi Park),남상용(Sang-Yong Nam),이병철(Byung-Chul Lee),이부영(Bu-Young Yi) (사)한국생물환경조절학회 2011 생물환경조절학회지 Vol.20 No.2
본 연구는 품질증진제 처리가 산취(Chamaecereus silvestrii) ‘희망’의 모구품질과 표피 변화에 미치는 영향을 연구하였다. 생체중은 D-sorbitol 처리구보다 D-mannitol 처리구에서 감소율이 낮아 효과적이었다. Diniconazole 200ppm처리는 산취의 자구생육을 어느 정도(수치화) 억제하여 장기수송(50일)에 더 적합하였으며 자구색의 발현 어느 정도(수치화)에도 효과적이었다. 산취 모구의 표피구조는 비모란에 비해 하피 발달이 저조하고 어느 정도(수치화) 단층이며 세포벽도 얇아 어느 정도 (수치화) 수송조건에 불리하였는데 생육의 억제효과가 높은 diniconazole 200ppm + D-mannitol 10,000ppm과 발색효과가 좋은 diniconazole 200ppm + wax 살포가 저장 중의 품질 유지에 적합하다고 판단된다. This research has been carried out to examine the effects of quality promoting agents on global quality and epidermal changes of Chamaecereus silvestrii ‘Hee-mang’ for quality maintenance of the transportation. D-sorbitol than D-mannitol treatment was effective in a lower reduction of fresh weight in C. sil-vestrii transportations. Application of diniconazole 200 ppm suppressed growth of C. silvestrii. However, it enabled the possibility of long-term plant transportation (up to 50 days) and color formation was also effective. As for epidermis structure of C. silvestrii, hypodermis development was lower compared to Gymnoca-lycium friedrichii and its long-term transportation became poor quality due to single layered, thin cell wall. Application of diniconazole 200 ppm + D-mannitol 10,000 ppm showed higher growth suppressing effects and diniconazole 200 ppm + wax treatment showed better color formation suitable for quality maintenance and storage purposes for C. silvestrii.
이기종 ( Ki Jong Lee ),손수인 ( Soo In Sohn ),이장용 ( Jang Yong Lee ),이부영 ( Bu Young Yi ),오성덕 ( Sung Dug Oh ),권순종 ( Soon Jong Kweon ),서석철 ( Seok Choel Suh ),류태훈 ( Tae Hun Ryu ),김경환 ( Kyung Hwan Kim ),박종석 ( Jo 한국환경농학회 2011 한국환경농학회지 Vol.30 No.4
BACKGROUND: Soybean [Glycine max (L.) Merrill] is legume and an important oil crop worldwide. This study was conducted to evaluate the possible impact of transgenic soybean cultivation on the soil microbial community. METHODS AND RESULTS: Microorganisms were isolated from the rhizosphere soils. Microbial community was identified based on the culture-dependent and molecular biology methods. The total numbers of bacteria, fungi, and actinomycete in the rhizosphere soils cultivated with transgenic and non-transgenic soybeans were similar to each other, and there was no significant difference between transgenic and non-transgenic soybeans. Dominant bacterial phyla in the rhizosphere soils cultivated with transgenic or non-transgenic soybeans were Actinobacteria, Firmicutes, and Proteobacteria. The microbial communities in transgenic and non-transgenic soybean soils were characterized using the denaturing gradient gel electrophoresis (DGGE). The DGGE profiles showed the different patterns, but didn`t show significant difference to each other at 0.05 significance level. DNAs were isolated from soils cultivating transgenic or non-transgenic soybeans and analyzed for persistence of transgenes in the soil by using PCR. PCR analysis revealed that there were no amplified γ-tmt and bar gene in soil DNA. CONCLUSION(S): The results of this study suggested that microbial community of soybean field were not significantly affected by cultivation of the transgenic soybeans.