نتایج جستجو برای: bromus tectorum

تعداد نتایج: 1458  

2014
Marcus M. Soliai Susan E. Meyer Joshua A. Udall David E. Elzinga Russell A. Hermansen Paul M. Bodily Aaron A. Hart Craig E. Coleman

Pyrenophora semeniperda (anamorph Drechslera campulata) is a necrotrophic fungal seed pathogen that has a wide host range within the Poaceae. One of its hosts is cheatgrass (Bromus tectorum), a species exotic to the United States that has invaded natural ecosystems of the Intermountain West. As a natural pathogen of cheatgrass, P. semeniperda has potential as a biocontrol agent due to its effec...

Journal: :Journal of agricultural and food chemistry 2009
Jan F Stevens Ralph L Reed Susan Alber Larry Pritchett Stephen Machado

Meadowfoam ( Limnanthes alba ) is an oilseed crop grown in western Oregon. After extraction of the oil from the seeds, the remaining seed meal contains 2-4% of the glucosinolate glucolimnanthin. This study investigated the effect of fermentation of seed meal on its chemical composition and the effect of the altered composition on downy brome ( Bromus tectorum ) coleoptile emergence. Incubation ...

Journal: :مرتع و آبخیزداری 0
رضا سیاه منصور دانشجوی دکتری علوم مرتع، دانشگاه آزاد اسلامی، واحد علوم و تحقیقات تهران حسین ارزانی استاد دانشکدة منابع طبیعی دانشگاه تهران محمد جعفری استاد دانشکدة منابع طبیعی دانشگاه تهران سید اکبر جوادی استادیار دانشکدة کشاورزی و منابع طبیعی، دانشگاه آزاد اسلامی، واحد علوم و تحقیقات تهران علی طویلی دانشیار دانشکدة منابع طبیعی دانشگاه تهران

fire consider as a factor and basic management in rangeland in order to reform of composition and biological diversity that use in rangeland ecosystems. this project was established to deal with the effect of fire in the research center for rangeland. zagheh locale where is in 35 km of north eastern of khoramabad with 1960 meters above sea level. the average comparison and analysis show that he...

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