Infestation of Potato Cultivars by Potato Aphid, Macrosiphum euphorbiae Thomas, and its Infestation-related Factors

감자수염진딧물(Macrosiphum euphorbiae Thomas)에 의한 감자 품종별 피해정도와 관련요인 분석

  • Kwon, Min (Environment Management Division, National Institute of Highland Agriculture, Rural Development Administration) ;
  • Chang, Dong-Chil (Environment Management Division, National Institute of Highland Agriculture, Rural Development Administration) ;
  • Ahn, Young-Joon (Applied Biology Division, Department of Applied Biology and Chemistry, College of Agriculture and Life Science, Seoul National University)
  • 권민 (농촌진흥청 고령지농업연구소 환경보전과/작물과) ;
  • 장동칠 (농촌진흥청 고령지농업연구소 환경보전과/작물과) ;
  • 안용준 (서울대학교 농업생명과학대학 응용생물화학부 응용생물학)
  • Published : 2008.09.30


Fifty potato cultivars were screened for potato aphid, Macrosiphum euphorbiae Thomas infestation degree in the field. Aphid honey dew secretion and contents of foliar substances(glycoalkaloids, total nitrogen, Ca, K and Mg) of the cultivars were measured in the laboratory to analyze the correlation between infestation degrees and those factors. The number of aphids ranged from 4.1 to 31.4 per five leaves. The lower density(less than 5 aphids) was found on cvs. Jidose, Recent, and Sebago. The aphid secreted highest(40.3 droplets) and lowest(15.7 droplets) honeydew on cvs. Jopoong and Anco, respectively. Degree of infestation is positively correlated to glycoalkaloids and total nitrogen contents of the potato leaf.


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