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The Influence of Abnormally Low Temperatures on Growth and Yield of Hot Pepper(Capsicum Annum L.)
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 Title & Authors
The Influence of Abnormally Low Temperatures on Growth and Yield of Hot Pepper(Capsicum Annum L.)
Park, Eun-Ji; Heo, You; Son, Beung-Gu; Choi, Young-Whan; Lee, Yong-Jae; Park, Young-Hoon; Suh, Jeong-Min; Cho, Jae-Hwan; Hong, Chang-Oh; Lee, Sang-Gye; Kang, Jum-Soon;
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Growth and physiological disorders caused by abnormally low temperatures were evaluated in pepper, an important field crop in Korea. In addition, the effects of chemical treatment using glutamine was verified on minimizing the damages by low temperature. The growth of pepper plants in stem length and diameter was suppressed as the temperature decreased from , and the suppression level was the highest for plants grown for 90 days at . However, root growth was not affected by the different temperatures. The number of leaf and leaf area decreased at the temperatures below , an optimum temperature for growth. Fresh weight and dry weight decreased for plants grown at . Pepper fruit yield also decreased by 11% at in comparison to . Falling blossom rate was different depending on the growth temperature, and the rate was 27.2% at , 35.2% at , and 41.0% at , indicating that falling blossom rate increased as temperature decreased. Different growth temperatures did not affected on the level of symptom of calcium deficiency and Phytopathora blight. Falling blossom was severe at abnormally low temperature of , but the treatment of glutamine reduced falling blossom rate and increased the yield by 7.0% as compared to control. The optimum concentration of glutamine treatment was 10 mg/L for yields.
Abnormally low temperatures;Calcium deficiency;Glutamine;Flower abscission;Growth temperature;
 Cited by
외생 살리실산과 일산화질소 처리가 고추묘의 저온 내성 및 병 저항성에 미치는 영향,박송이;김흥태;오명민;

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