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Subjects Triticum aestivum Remove constraint Triticum aestivum: Triticum aestivum Subjects population density Remove constraint population density: population density Year 2003 Remove constraint 2003: 2003

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1. Damage potential of grasshoppers (Orthoptera: Acrididae) on early growth stages of small-grains and canola under subarctic conditions

Description:: Includes references
Author:: Begna, S.H. , Fielding D.J.
Subject:: Melanoplus sanguinipes , Hordeum vulgare , Avena sativa , Triticum aestivum , Brassica napus var. napus , barley , oats , wheat , canola , population density , crop damage , developmental stages , aerial parts , underground parts , plant growth , dry matter accumulation , plant morphology , carbon nitrogen ratio , grasshoppers , insect pests , cold zones
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2003

2. Development of a sampling plan in winter wheat that estimates cereal aphid parasitism levels and predicts population suppression

Description:: Includes references
Author:: Giles, K.L. , Jones, D.B. , Royer, T.A. , Elliott, N.C. , Kindler, S.D.
Subject:: Schizaphis graminum , Rhopalosiphum padi , Aphidoidea , insect pests , pest monitoring , sampling , population density , parasitism , natural enemies , parasitoids , Lysiphlebus testaceipes , economic threshold , estimation , prediction , Triticum aestivum , hard red winter wheat , Oklahoma
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2003

3. Earthworm additions affect leachate production and nitrogen losses in typical midwestern agroecosystems

Description:: Includes references
Author:: Shuster, William D. , Shipitalo, Martin J. , Subler, Scott , Aref, Susanne , McCoy, Edward L.
Subject:: earthworms , Lumbricus terrestris , Aporrectodea , Octolasion , inoculation methods , silt loam soils , agricultural soils , population density , leaching , losses from soil , nitrogen , organic nitrogen compounds , agroecosystems , crop rotation , Zea mays , corn , Glycine max , soybeans , Triticum aestivum , wheat , ridge tillage , chiseling , soil nutrient balance , lysimeters , Ohio
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2003

4. Fixed precision sequential sampling plans for the greenbug and bird cherry-oat aphid (Homoptera: Aphididae) in winter wheat

Description:: Includes references
Author:: Elliott, N.C. , Giles, K.L. , Royer, T.A. , Kindler, S.D. , Tao, F.L. , Jones, D.B. , Cuperus, G.W.
Subject:: Schizaphis graminum , Rhopalosiphum padi , population density , estimation , sampling , precision , pest monitoring , Aphidoidea , insect pests , Triticum aestivum , winter wheat , cultivars , developmental stages , geographical variation , Oklahoma
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2003

5. Repeated introduction of genetically modified Pseudomonas putida WCS358r without intensified effects on the indigenous microflora of field-grown wheat

Description:: Includes references
Author:: Viebahn, M. , Glandorf, D.C.M. , Ouwens, T.W.M. , Smit, E. , Leeflang, P. , Wernars, K. , Thomashow, L.S. , Loon, L.C. van , Bakker, P.A.H.M.
Subject:: Pseudomonas putida , genetically engineered microorganisms , fungal antagonists , biological control agents , phenazines , antibiotics , biosynthesis , genes , gene expression , seed inoculation , rhizosphere , soil fungi , soil bacteria , population density , environmental impact , wheat , Triticum aestivum , field experimentation , Solanum tuberosum , potatoes , crop rotation , community ecology , ribosomal DNA , restriction mapping , population dynamics , plant growth , grain yield , Belgium
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2003