Relation of Corn Leaf Aphid (Homoptera: Aphididae) Colonization to DIMBOA Content in Maize Inbred Lines

Autor:	W. D. Guthrie, J. W. Bing, J. J. Obryckp, F. F. Dicke
Rok vydání:	1990
Předmět:	Rhopalosiphum Aphid Ecology biology Homoptera Rhopalosiphum maidis Aphididae General Medicine biology.organism_classification DIMBOA chemistry.chemical_compound Anthesis chemistry Agronomy Inbred strain Insect Science
Zdroj:	Journal of Economic Entomology. 83:1626-1632
ISSN:	1938-291X 0022-0493
Popis:	Five inbred maize ( Zea mays L.) lines (B37, B73, C103, Mo17, and 41:2504B) were evaluated from emergence to the eight-leaf stage for corn leaf aphid ( Rhopalosiphum maidis (Fitch)) colonization. Concentration of 2,4-dihydroxy-7-methoxyl-l,4-benzoxazin-3- one (DIMBOA) in these inbred lines was analyzed from emergence to anthesis to determine its effect on corn leaf aphid colony development. Inbred line 41:2504B, which was colonized by corn leaf aphids as it emerged from the soil, had the highest DIMBOA concentration. Inbred lines B73 and B37 were low in DIMBOA and were colonized in the three- and six-leaf stages, respectively. Inbred lines C103 and Mo17 also were low in DIMBOA and supported small colonies after the six- and seven-leaf stages, respectively. Contrary to findings of previous studies, DIMBOA does not seem to be the primary factor conditioning resistance to the corn leaf aphid in these inbreds.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::c8622ca587c14bf5eaef010202797da8 https://doi.org/10.1093/jee/83.4.1626 Zobrazit plný text záznamu