Natural Enemies. An Introduction to Biological Control
نویسندگان
چکیده
منابع مشابه
An Introduction to Natural Experiment Studies
در دو سخن سردبیری شمارههای قبل به مطالعات مداخلهای (Interventional and/or experimental studies) [1] و مطالعات نیمه تجربی (studies Quasi-experiment) [2] پرداختیم. همان جا، به این نکته اشاره کردیم که برای اندازهگیری کارآیی یک دارو، واکسن، برنامه بهداشت عمومی و متغیرهای دیگری از این دست، مطالعات مداخلهای بهترین گزینه هستند. تقسیم تصادفی و کورسازی از مؤلفههای اساسی یک مطالعه مداخلهای است [1]....
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Since 1996, as part of a cooperative ARS/CIRAD Plutella biocontrol program, 115 Plutella populations have been collected in 32 countries from cole crops and cruciferous weeds. Twenty-seven primary hymenopterous parasitoid species were found, especially Diadegma spp., Cotesia plutellae and Oomyzus sokolowskii. A number of fungal pathogens, isolates of Paecilomyces fumosoroseus, Paecilomyces sp.,...
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ژورنال
عنوان ژورنال: Journal of Range Management
سال: 2004
ISSN: 0022-409X
DOI: 10.2307/4003989