Horticultural Science & Technology (원예과학기술지)

Korean Society of Horticultural Science (한국원예학회)
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Effects of NaCl on the Growth and Inorganic Ion Contents of Green Pepper 'Nokwang' and Bell Pepper 'Newace'

NaCl 처리가 풋고추 '녹광'과 피망 '뉴에이스'의 생육 및 무기이온 함량에 미치는 영향

Park, Eon-Jeong;Park, Jung-Chun;Lee, Jeung-Ju;Son, Yeong-Gul
박언정;박중춘;이증주;손영걸

  • Published : 20060000
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Abstract

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.

본 연구는 NaCl 스트레스가 고추의 생육, 무기이온 함량 및 토성의 변화에 미치는 영향을 파악하기 위해 수행되었다. 토경재배에서는 NaCl 농도가 증가할수록 두 고추품종의 초장, 엽수, 줄기직경, 꽃수, 열매수, 최고 큰 열매의 크기와 무게, 총수량 및 SPAD 값이 감소하였으며, 30일묘는 40일묘보다 NaCl에 대한 감수성이 더 큰 것으로 나타났다. NaCl 스트레스에 의해 고추를 재배한 토양중의 pH는 다소 완만하게 증가하였으나 EC는 급격히 증가하였는데, 40일묘가 30일묘보다 그 정도가 높은 경향이었다. 수경재배 시 NaCl 처리에 의해 생체중과 전질소함량은 감소하였는데 ‘녹광’보다는 ‘뉴에이스’에서 그 정도가 큰 것으로 나타났다. NaCl 처리에 의해 잎과 뿌리에서 Na 함량은 증가하였으나, K, Ca, Mg, P 함량은 감소되는 경향이었는데, 40일묘보다는 30일묘에서 Na 함량의 증가와 다른 무기이온들의 감소정도가 큰 경향이었다.

Keywords

References

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