Korean journal of applied entomology (한국응용곤충학회지)
- Volume 37 Issue 2
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- Pages.163-170
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- 1998
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- 1225-0171(pISSN)
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- 2287-545X(eISSN)
Genetic Variation of Larval Stripe Patterns of Spodoptera exigua(Hubner)
파밤나방(Spodoptera exigua (H bner)) 유충 줄무늬 형질의 유전변이
Abstract
Larval morphological characters such as body color and stripe pattern were analyzed to get morphological genetic markers of beet armyworm, Spodoptera exigua (Hiibner). Body color was varied from light green to dark brown with diets. Stripe characters were classified by the presence of dorsal and lateral lines: three stripes with both lines, one stripe with dorsal line only, and zero stripe. Proportions of each stripe character increased with successive selections for its own character. Three stripe was dominant to one stripe when they were crossed. The estimated heritability in narrow sense (h2) of the stripe pattern was 0.50k0.42. About two fold more females than males were produced in zero stripe line. Stripe pattern was not significantly changed by different diets except in welsh onion which had lower proportion of three stripe individuals than that of the expected. Larval stripe pattern was also correlated with larval and pupal developmental rates and cold hardiness but not with insecticide susceptibility.
파밤나방(Spodoptera exigua (H bner)) 유충의 형태적 유전지표를 규명하기 위해 유충의 체색과 줄무늬 변이에 관하여 분석하였다. 유충 체색은 먹이 종류에 따라 다양했다. 유충 줄무늬는 배선과 측선의 존재에 따라 3종류의 형질 개체로 나뉘었다. 3줄무늬(배선과 측선 모두존재), 1줄무늬(배선만존재), 0줄(배선과 측선 모두 없음). 이들 형질이 유전적 영향에 있는지를 조사하기 위해 3줄과 1줄집단으로 집단선발한 결과 각 선발 형질의 비율이 증가했다. 3줄과 1줄집단을 상호교배하였을 때 3줄 형질이 우성을 보였다. 줄무늬 형질에 있어서 협의의 유전력(h
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