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Year 2004 Remove constraint 2004: 2004 Subjects California Remove constraint California: California
Displaying items 31 - 40 of 59 start over

31. Introduction of exotic biocontrols into California cotton aphid populations

Description:
Conference held Jaunary 5-9, 2004, San Antonio, TX.
Author:
Godfrey, K. , McGuire, M.R. , Steinkraus, D.
Subject:
Aphis gossypii , biological control agents , introduced species , parasitoids , Aphelinus , entomopathogenic fungi , Neozygites fresenii , overwintering , insect control , Gossypium , cotton , California
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

32. Microclimate and pedogenic implications in a 50-year-old chaparal and pine biosequence

Description:
Includes references
Author:
Johnson-Maynard, J.L. , Shouse, P.J. , Graham, R.C. , Castiglione, P. , Quideau, S.A.
Subject:
soil temperature , soil water content , forest soils , chaparral soils , Quercus dumosa , Pinus , Adenostoma fasciculatum , microclimate , forest litter , plant litter , canopy , diurnal variation , soil formation , experimental forests , California
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

33. Minimizing drift in electrical conductivity measurements in high temperature environments using the EM-38

Description:
Includes references
Author:
Robinson, D.A. , Lebron, I. , Lesch, S.M. , Shouse, P.
Subject:
soil physics , sandy loam soils , electrical conductivity , nondestructive methods , air temperature , electronic equipment , measuring devices , equipment design , equipment performance , field experimentation , California
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

34. Modeling NML using the area frame survey

Description:
Title from PDF caption (viewed Sept. 28, 2012).
Author:
Chang, Ted 1947- , Kott, Phillip S. , United States National Agricultural Statistics Service.
Subject:
Agricultural surveys , Statistical methods , Agricultural surveys , Mathematical models , agricultural statistics , farm surveys , probability , sales , farm typology , crop acreage , farmers , gender , occupations , horses , regression analysis , United States , California , Illinois , Indiana , Iowa
Year:
2004

35. Molecular Detection of Phytophthora ramorum, the Causal Agent of Sudden Oak Death in California, and Two Additional Species Commonly Recovered from Diseased Plant Material

Description:
Includes references
Author:
Martin, F.N. , Tooley, P.W. , Blomquist, C.
Subject:
Phytophthora , Phytophthora ramorum , plant pathogenic fungi , fungal diseases of plants , tree diseases , plants , DNA primers , mitochondrial DNA , polymerase chain reaction , microbial detection , disease detection , California
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

36. Molecular distinction between populations of Gonatocerus morrilli, egg parasitoids of the glassy-winged sharpshooter from Texas and California: Do cryptic species exist?

Description:
Includes references
Author:
de Leon, J.H. , Jones, W.A. , Morgan, D.J.W.
Subject:
Gonatocerus , parasitoids , population genetics , genetic variation , genetic markers , DNA profiling , genetic polymorphism , loci , genetic distance , internal transcribed spacers , geographical variation , Homalodisca vitripennis , Texas , California
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

37. Monitoring nitrogen deposition in throughfall using ion exchange resin columns: a field test in the San Bernardino Mountains

Description:
Includes references
Author:
Fenn, M.E. , Poth, M.A.
Subject:
air pollution , nitrogen , atmospheric deposition , Pinus ponderosa , forest trees , canopy , throughfall , collectors , ion exchange resins , field experimentation , chemical analysis , sampling , research methods , California
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

38. Morphology, Life Cycle Biology, and DNA Sequence Analysis of Rust Fungi on Garlic and Chives from California

Description:
Includes references
Author:
Anikster, Y. , Szabo, L.J. , Eilam, T. , Manisterski, J. , Koike, S.T. , Bushnell, W.R.
Subject:
Puccinia allii , plant pathogenic fungi , rust diseases , fungal anatomy , teliospores , spore germination , ribosomal DNA , internal transcribed spacers , sequence analysis , molecular systematics , host plants , Allium sativum , garlic , Allium schoenoprasum , chives , provenance , California , Oregon , Middle East
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

39. Necrotic lesion resistance induced by Peronospora tabacina on leaves of Nicotiana obtusifolia

Description:
Includes references
Author:
Heist, E.P. , Zaitlin, D. , Funnell, D.L. , Nesmith, W.C. , Schardl, C.L.
Subject:
Nicotiana , downy mildew , Peronospora tabacina , plant pathogenic fungi , pathogenicity , leaves , lesions (plant) , disease resistance , induced resistance , genotype , genetic variation , developmental stages , plant anatomy , Arizona , Texas , California , Kentucky
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

40. Non-target hazard to ring-necked pheasants from zinc phosphide use in Northern California agricultural areas

Description:
Meeting held March 1-4, 2004, Visalia, California.
Author:
Ramey, Craig A. , Bourassa, Jean B. , Furuta, Michael S.
Subject:
nontarget organisms , Phasianus colchicus , zinc phosphide , pesticides , alfalfa , pest control , game birds , agricultural land , autumn , California
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004