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Host plant-mediated interspecific co...

Lynch, Margaret Emma.

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Host plant-mediated interspecific competition via induced resistance: Interactions between the potato leafhopper and the Colorado potato beetle.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Host plant-mediated interspecific competition via induced resistance: Interactions between the potato leafhopper and the Colorado potato beetle./
作者:	Lynch, Margaret Emma.
面頁冊數:	55 p.
附註:	Source: Masters Abstracts International, Volume: 44-01, page: 0250.
Contained By:	Masters Abstracts International44-01.
標題:	Biology, Entomology. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1427575
ISBN:	9780542186998

Host plant-mediated interspecific competition via induced resistance: Interactions between the potato leafhopper and the Colorado potato beetle.
Lynch, Margaret Emma.

Host plant-mediated interspecific competition via induced resistance: Interactions between the potato leafhopper and the Colorado potato beetle. - 55 p.

Source: Masters Abstracts International, Volume: 44-01, page: 0250.

Thesis (M.S.)--University of Maryland, College Park, 2005.

Interspecific competition has seen a renaissance over the last several decades and has become recognized as an important force influencing the structure of phytophagous insect communities. This research examined interspecific competition, mediated through a shared host plant, between the potato leafhopper (PLH) and the Colorado potato beetle (CPB), two important pests on potatoes. In Maryland, PLH colonize fields in advance of CPB due to management practices and differences in the migration behavior of these two herbivores. Results show that previous feeding by PLH adversely affected oviposition preference and larval performance of CPB in both greenhouse and field-cage experiments. Results suggest that these two herbivores compete through feeding-induced changes in plant physiology or morphology. This research has important implications for the management of agricultural pests such that higher densities of PLH should be tolerated before controls are instigated due to the benefits of CPB reduction that accrue via leafhopper-induced plant resistance.

ISBN: 9780542186998Subjects--Topical Terms:

1018619
Biology, Entomology.

Host plant-mediated interspecific competition via induced resistance: Interactions between the potato leafhopper and the Colorado potato beetle.
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520 $a Interspecific competition has seen a renaissance over the last several decades and has become recognized as an important force influencing the structure of phytophagous insect communities. This research examined interspecific competition, mediated through a shared host plant, between the potato leafhopper (PLH) and the Colorado potato beetle (CPB), two important pests on potatoes. In Maryland, PLH colonize fields in advance of CPB due to management practices and differences in the migration behavior of these two herbivores. Results show that previous feeding by PLH adversely affected oviposition preference and larval performance of CPB in both greenhouse and field-cage experiments. Results suggest that these two herbivores compete through feeding-induced changes in plant physiology or morphology. This research has important implications for the management of agricultural pests such that higher densities of PLH should be tolerated before controls are instigated due to the benefits of CPB reduction that accrue via leafhopper-induced plant resistance.
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