INSECTICIDE EFFICACY: ALFALFA WEEVIL AND APHIDS IN ALFALFA, 2013
نویسندگان
چکیده
منابع مشابه
Management of Egyptian Alfalfa Weevil and Protection of Yields with Selected Insecticides
The Egyptian alfalfa weevil (alfalfa weevil in some areas) during most years is the most severe insect pest of alfalfa in California. These pests feed on alfalfa leaflets and stems, reducing hay yields. Several insecticides provide acceptable control of this pest. Historically, product choice has been driven by efficacy on the pest, cost, presence of other pests, i.e., aphids, days before harve...
متن کاملA survey of alfalfa aphids and their natural enemies in Isfahan, Iran, and the effect of alfalfa strip-harvesting on their populations
در طی دو سال (1384-1383) نمونه‌برداری از جمعیت شته‌های یونجه و دشمنان طبیعی آن‌ها در اصفهان، در مجموع 4 گونه شته و 58 گونه از دشمنان طبیعی آن‌ها شامل 45 گونه شکارگر، 11 گونه پارازیتوئید و 2 گونه کنه‌ی پارازیت جمع‌آوری و شناسایی شد. علاوه بر این، 5 گونه هیپرپارازیتوئید نیز جمع‌آوری گردید. در هر روز نمونه‌برداری، شش نمونه هر کدام شامل 20 بار تور‌زدن به وسیله‌ی یک تور حشره‌گیری با قطر 38 سانتی‌مت...
متن کاملInteractions between Potato Leafhoppers, Glandular-haired Alfalfa and Insecticide Timing
The potato leafhopper (PLH) is the most serious insect pest of alfalfa in Wisconsin and the Upper Midwest. PLH injury to alfalfa can result in leaf yellowing (“hopperburn”), plant stunting, loss of yield and forage quality, and reduced alfalfa stand persistence. Leafhopper populations are a perennial problem in new alfalfa seedings, and they frequently increase to damaging levels on the second ...
متن کاملALFALFA Alfalfa Yield and Quality as Influenced by Establishment Method
management of a companion crop is critical to successful establishment of perennial forages (Albrecht and Hall, Weed control during alfalfa (Medicago sativa L.) establishment is 1995). a primary concern of forage producers. Companion crops and clearWeed management is important for decreasing comseeding with an herbicide are commonly used methods for establishing alfalfa. This study evaluated an...
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ژورنال
عنوان ژورنال: Arthropod Management Tests
سال: 2014
ISSN: 2155-9856
DOI: 10.4182/amt.2014.f67