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인삼 하우스 직파재배시 파종밀도, 혈당 파종립수, 솎음처리가 생육과 병 발생에 미치는 영향 KCI 등재
Effect of Seed Density, Number of Seeds Sown Per Hole and Thinning Treatment on Growth Characteristics and Disease Occurrence in Greenhouse-Cultivated Ginseng
pp.198-206
This study was conducted to investigate the effects of sowing density, number of seeds sown per hole, andthinning treatment on growth characteristics and disease occurrence in Panax ginseng under direct sowing cultivation in ablue plastic greenhouse. Seedling were grown from 2 or 3 seeds sown, and the healthiest was only retained, while the restwere thinned out at the foliation stage. NO3-N, P2O5, and organic matter content differed significantly between growthconditions in the plastic greenhouse and in conventional shade in the soil. Disease also tended to be higher in the conven-tional shade than in the plastic greenhouse. Plant height and stem length showed an increasing trend with increasing sowingdensity and number of seeds sown per hole. However, these measures noticeably decreased when thinning treatment wasconducted. Growth of the subterranean part of ginseng was not markedly influenced by sowing density, the number of seedssown per hole, or thinning treatment. Root weight, which is an important factor in yield, was significantly affected by thenumber of seeds sown and thinning treatment. Interestingly, root weight tended to be higher in the thinning treatment plotthan the untreated control plot. Damping-off and root rot increased noticeably as the number of seeds sown increased. Dis-ease also tended to be substantially higher in the thinning treatment plot than the untreated control. However, physiologicaldisorder of the plants did not vary with sowing density, the number of seeds sown, or thinning treatment.
재료 및 방법
1. 실험재료 및 처리
2. 토양화학성 분석
3.인삼 생육조사
4. 인삼 생리장해 및 발병 조사
5.통계분석
결과 및 고찰
1. 비닐하우스와 관행해가림의 토양화학성 및 병 발생특성비교
2.종자 파종밀도와 솎음처리에 따른 생육특성
3. 파종밀도, 혈당 파종량, 솎음처리에 따른 생리장해 및병 발생 양상
감사의 글
REFERENCES
