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Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ / v.3, no.2, 1994³â, pp.119-127
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µ¿°è Plastic house³» °íÃß(Capsicum annuum L.) À°¹¦½Ã ¿Âµµ¿Í ±¤µµ°¡ »ýÀå¿¡ ¹ÌÄ¡´Â ¿µÇâ II. ¹«°¡¿Â ´ÙÁßÇǺ¹ ½Ã¼³³» ¿Âµµ ¹× ±¤È¯°æÀÌ °íÃßÀÇ À¯¹¦»ýÀå ¹× ¼ö·®¿¡ ¹ÌÄ¡´Â ¿µÇâ
( Effects of Temperature and Light Intensity on the Growth of Red Pepper(Capsicum annuum L.) in Plastic House During Winter. II. Effects of Temperature and Light Environment on the Early Growth and Yield of Red Pepper under the Multilayered Covering in Non ) |
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| This study was conducted to investigate the effects of temperature and light conditions on the vigor and growth responses of red pepper(Capsicum annuum L.) seedlings in the nonheated plastic houses with triple and quadruple coverings during winter. The results obtained were as follows ; 1. The growth in terms of plant height, number of leaves, leaf area and dry weight of each organ was reduced up to 50% in the triple coverings compared to quadruple ones. The greatest difference between the triple coverings and quadruple ones was the leaf area, showing two to five times larger in the quadruple ones. Therefore, the differences of the early environmental conditions during raising seedling stage was well reflected. 2. The leaf expansion in the early stage of seedling was delayed in the triple coverings and subsequently crop growth rate(CGR) significantly reduced. The specific leaf area (SLA) in the triple coverings was less than quadruple ones. The net assimilation rate (NAR) was increased in the early stage of seedlings and then reduced in the quadruple coverings. In triple ones, however, the great reduction showed at six weeks after sowing and then increased sharply. 3. The linear relationship among leaf area, total dry weight and leaf dry weight was observed in the all experimental areas, while between leaf area and crop growth rate only in the quadruple coverings, and between leaf area and net assimilation rate in both triple and quadruple ones. 4. The dry matter partitioned to the leaf increased up to six weeks after sowing in the triple coverings but reduced in the stem and root. However, the adverse results were obtained in the quadruple ones. 5. In the triple coverings, the number of branches showed the exponential increment while fruit weight showed linear increment in both triple and quadruple ones. Higher yield was obtained in the quadruple ones. 6. The shoot dry weight among the characteristics of seedlings was greatly contributed to the yield of red pepper after transplanting. Accordingly, one of the decisive criterion for good quality of red pepper seedlings was determined by the highest correlation between shoot dry weight of growing plant and fruit yield of pepper plant. |
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| Ű¿öµå |
| À¯¹¦;°íÃß;°³Ã¼»ýÀåÀ²;¼øµ¿ÈÀ²;ºñ¿±¸éÀû;seedling;red pepper;crop growth rate(CGR);net assimilation rate(NAR);specific leaf area(SLA); |
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»ý¹°È¯°æÁ¶ÀýÇÐȸÁö / v.3, no.2, 1994³â, pp.119-127
Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ
ISSN : 1229-4675
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199411922404336)
¾ð¾î : Çѱ¹¾î |
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| ³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø |
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