Management and Restoration Ecology of the Federal Threatened Mead's Milkweed, Asclepias meadii (Asclepiadaceae)
نویسندگان
چکیده
منابع مشابه
Coexistence of three specialist aphids on common milkweed, Asclepias syriaca.
Coexistence of host-specific herbivores on plants is believed to be governed by interspecific interactions, but few empirical studies have systematically unraveled these dynamics. We investigated the role of several factors in promoting coexistence among the aphids Aphis nerii, Aphis asclepiadis, and Myzocallis asclepiadis that all specialize on common milkweed (Asclepias syriaca). Competitive ...
متن کاملDetection and Plant Monitoring Programs: Lessons from an Intensive Survey of Asclepias meadii with Five Observers
Monitoring programs, where numbers of individuals are followed through time, are central to conservation. Although incomplete detection is expected with wildlife surveys, this topic is rarely considered with plants. However, if plants are missed in surveys, raw count data can lead to biased estimates of population abundance and vital rates. To illustrate, we had five independent observers surve...
متن کاملIsolation and characterization of microsatellite loci in the common milkweed, Asclepias syriaca (Apocynaceae).
PREMISE OF THE STUDY Microsatellite primers were developed for the common milkweed, Asclepias syriaca L., to assist in genet identification and the analysis of spatial genetic structure. METHODS AND RESULTS Using an enrichment cloning protocol, eight microsatellite loci were isolated and characterized in a Michigan population of A. syriaca. The primers amplified di- and trinucleotide repeats ...
متن کاملTests of the coupled expression of latex and cardenolide plant defense in common milkweed (Asclepias syriaca)
The coexpression of plant resistance traits suggests the hypothesis that they may have complementary functions in defense against herbivory. To address the extent to which defensive traits are necessarily coupled in plants grown under various conditions, we focused on latex and cardenolides, two potent defenses of milkweeds. We measured defenses across ontogenetic stages, different biotic and a...
متن کاملCardenolides, induced responses, and interactions between above- and belowground herbivores of milkweed (Asclepias spp.).
Theory has long predicted allocation patterns for plant defense against herbivory, but only recently have both above- and belowground plant defenses been considered simultaneously. Milkweeds in the genus Asclepias are a classic chemically defended clade of plants with toxic cardenolides (cardiac glycosides) and pressurized latex employed as anti-herbivore weapons. Here we combine a comparative ...
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ژورنال
عنوان ژورنال: Annals of the Missouri Botanical Garden
سال: 1998
ISSN: 0026-6493
DOI: 10.2307/2992001