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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.

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Spelling suggestions: "subject:"bruchopagus gibbus"" "subject:"bruchopagus gitbbus""

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Alfalfa Resistance to the Clover Seed Chalcid Bruchphagus Gibbus (Boheman)

Minion, Gerald Douglas 01 May 1961 (has links)
The destructive nature of the clover seed chalcid has been known since the latter part of the 19th century. This jet-black Hymenoptera, often called the "chalcis-fly," destroys from 10 to 20 percent of the alfalfa seed in Utah each year. Damage as high as 85 percent has been reported.
alfalfa
agronomy
clover seed
Bruchopagus Gibbus
Agronomy and Crop Sciences

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