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NaCl 처리가 풋고추 ‘녹광’과 피망 ‘뉴에이스’의 생육 및 무기이온 함량에 미치는 영향
박언정(Eon-Jeong Park),손영걸(Young-Geol Sohn),박중춘(Joong-Choon Park),이증주(Jeong-Joo Lee) 한국원예학회 2006 원예과학기술지 Vol.24 No.1
This study was executed to investigate the effects of NaCl on the growth, soil responses and inorganic ion contents of green pepper (Capsicum annuum L.) ‘Nokwang’ and bell pepper ‘Newace’ with different seedling age. Plant height, the number of leaves, stem diameter, the number of flowers, the number of fruits, maximun fruit size and weight, total fruit weight, and SPAD value decreased with increment of NaCl concentration; 30-day-old seedlings were more sensitive to NaCl than 40-day-old seedlings. EC of soil in the 40-day-old seedlings was more increased than the 30-day-old seedlings. Soil pH changed slightly by the NaCl treatment. When grown on hydroponic culture, fresh weight and total nitrogen content decreased with increasing NaCl concentration. ‘Nokwang’ was more resistant to NaCl than ‘Newace’. With increasing NaCl concentration, Na content in the leaves and roots increased, but that of K, Ca, Mg, and P decreased: Their effects were more sensitive in 30-day-old seedlings than 40-day-old seedlings.
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유채(Brassica napus L.) 종자의 발아와 초기생장을 억제하는 식물정유의 선발
최성환(Sung Hwan Choi),박기웅(Kee Woong Park),손영걸(Young Geol Sohn),안재영(Jae Young An),이증주(Jeung Joo Lee) 韓國雜草學會 2010 Weed&Turfgrass Science Vol.30 No.3
본 연구는 19종의 식물정유가 유채종자의 발아 및 생장에 미치는 영향을 파악하기 위하여 수행되었다. 그 결과 식물정유를 100배 희석 처리 한 경우 anise, cinnamon, citronella, clove, geranium, lemongrass, mustard 및 pine oil 등의 8종은 유채의 발아를 완전히 저해하였으며, 초기생장의 저해효과도 큰 것으로 나타났다. 유채의 발아와 초기생장에 대한 저해율을 근거로 하여, 상기의 8개의 식물정유로부터 cinnamon, clove 및 geranium oil이 실용 가능성이 있는 bio-herbicide로서 선발되었다. 선발된 cinnamon, clove 및 geranium oil을 토양처리한 경우 90㎏ ai ha-1농도에서 유채의 출현율은 각각 7.1, 25.0, 3.6% 였으며, 초기생장율도 22.0, 9.9 및 11.0% 수준으로, 유채종자의 발아와 초기생장억제에 미치는 효과가 큰 것으로 나타났다. This study was conducted to investigate the phytotoxic effects of 19 essential oils on seed germination and initial growth of rapeseed (Brassica napus L.). We found that anise, cinnamon, citronella, clove, geranium, lemongrass, mustard and pine oils completely inhibited germination of rapeseed at 100× dilute solution. Based on the inhibition rates of rapeseed emergence and initial growth, three essential oils (cinnamon, clove, and geranium) were selected a potential bio-herbicides. Under pre-emergence applications of cinnamon, clove, and geranium oils at 90 ㎏ ai ha-1, rates of rapeseed emergence were 7.1, 25.0, and 3.6% and its initial growth were 22.0, 9.9 and 11.0%, respectively.
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