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Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ / v.13, no.1, 2004³â, pp.16-20
¸ñÈ­Áøµ÷¹°(Aphis gossypii Glover)ÀÌ Âü¿ÜÀÇ »ýÀ°°ú ´çÇÔ·®¿¡ ¹ÌÄ¡´Â ¿µÇâ
( Effect of Aphis gossypii Glover on Growth and Sugar Content of Oriental Melon )
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Aphis gossypii Glover(Homoptera: Aphididae) is an serious pest on various crops. This experiment was conducted to evaluate the effect of A. gossypii Glover on the growth of oriental melon and the plant recovery after removing A. gossypii. Visible damage symptom caused by A. gossypii feeding to oriental melon was leaf distortion and stunting. A. gossypii feeding for 20 days on oriental melon significantly reduced the growth of oriental melon with increasing A. gossypii density level. Plant growth was decreased by 63${sim}$69%, 62${sim}$88% and 49${sim}$70% in plant height, leaf area and dry weight, respectively. During 10 day after aphids removal, the infested leaves remained stunt, however, new shoot and leaf recovered gradually. By 20 day, plant height, leaf area and dry weight substantially increased in 5 aphid per plant. Plant recovered rapidly with day and among aphid density level, 5 aphid per plant showed rapid recovery. When plant were infested with several density of aphid per plant, sugar contents of total leaves were not significantly different between aphid density level. Whereas, sugar contents of lear infested with aphid per leaf were decreased with increasing cumulative aphid-days.
 
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Áøµ÷¹° ¹Ðµµ;»ýÀ°È¸º¹;Áøµ÷¹°´©ÀûÀϼö·®;aphid density level;plant recovery;cumulative aphid-days;
 
»ý¹°È¯°æÁ¶ÀýÇÐȸÁö / v.13, no.1, 2004³â, pp.16-20
Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ
ISSN : 1229-4675
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200415875836594)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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