Ecological Relations of Agricultural Populations of Ecdysteroid-containing Plants Rhaponticum carthamoides (Willd.) Iljin and Serratula coronata L. to Herbivorous Insects

[leuzea]

Accumulation of phytoecdysteroids in agricultural populations of Rhaponticum carthamoides (Willd.) Iljin and S. coronata L. and their resistance to insect herbivores in different ontogenetic periods were investigated for 16 years. As a result of the investigations, species-specific features of ecdysteroid accumulation in vegetative and reproductive plant organs were determined; relationships between the distribution of phytoecdysteroids in the structure of plants and ecological interactions with insects have been revealed; the factors contributing to insect infestation have been studied; and the pest damage has been evaluated. Timofeev N.P. Ecological relations of the agropopulаtions of ecdysteroid-containing plants Rhaponticum carthamoides (Willd.) Iljin and Serratula coronata L. with the insects-phytophagans. Report 1 // Contemporary Problems of Ecology, 2009, Vol. 2, N 5, pp. 489–500. Заголовок автора: Ecological relations ecdysterone containing plants Rhaponticum carthamoides and Serratula coronata to herbivorous insects Ключевые слова: рапонтикум сафлоровидный; серпуха венценосная; лекарственные растения; агропопуляции; экдистероиды; насекомые-вредители; оногенез; левзея сафлоровидная; маралий корень; большеголовник альпийский; 20-гидроксиэкдизон; экдистерон; экдизон; инокостерон; состав экдистероидов; активность экдистероидов; инактивация экдистероидов Keywords: Rhaponticum; carthamoides; Serratula coronata; medicinal; plants; agricultural; populations; ecdysteroids; herbivorous insects; ontogenesis; Leuzea carthamoides; maral root; Stemmacantha carthamoides; 20-hydroxyecdysone; ecdysterone; ecdysone; inocosterone; ecdysteroid composition; ecdysteroid activity; inactivation ecdysteroids;

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