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Effects of NaCl on the Growth and Inorganic Ion Contents of Green Pepper 'Nokwang' and Bell Pepper 'Newace'  

Park, Eon-Jeong (장성군농업기술센터)
Park, Jung-Chun (경상대학교)
Lee, Jeung-Ju (경상대학교)
Son, Yeong-Gul (원예연구소)
Publication Information
Horticultural Science & Technology / v.24, no.1, 2006 , pp. 1-7 More about this Journal
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.
Keywords
Capsicum annuum L.; inorganic ion content; seedling age; SPAD value;
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