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Plant hormone-induced defense responses against Botrytis cinerea

Creator:: Akagi, Aya
Abstract:: Several plant hormones, including ethylene and jasmonates, are known to mediate responses against biotic and abiotic stress. The first and second objectives of this thesis were (i) to elucidate the role of ethylene in defense responses against Botrytis cinerea and specifically (ii) to determine the potential contribution of ethylene response...
Resource Type:: Dissertation
Full Text:: and other diseases. It attacks more than 200 plant species, including apple (Malus domestica) and

Induction of apple defense genes by Erwinia amylovora and biological control agents

Creator:: Bauer, Lisa M.
Abstract:: Fire blight is a serious disease of apple and pear trees caused by the bacterium, Erwinia amylovora. This bacterium harbors a pathogenesis mechanism known as the Hrp secretory operon which induces some resistance genes and suppresses other resistance genes in the host plant following invasion. While previous researchers analyzed expression...
Resource Type:: Honors College Thesis
Full Text:: disease of apple and pear trees caused by the bacterium, Erwinia amylovora. This bacterium harbors a

Silencing the Agrobacterium tumefaciens oncogenes

Creator:: Pitrak, Jennifer
Abstract:: Crown gall disease is an agricultural problem caused by the soil-borne bacterium, Agrobacterium tumefaciens. A. tumefaciens oncogenes cause transformed plant cells to overproduce the hormones, auxin and cytokinin. High hormone levels cause unorganized plant cell growth resulting in a gall. Control of crown gall disease is difficult because after plant...
Resource Type:: Dissertation
Full Text:: ) demonstrate some resistance to crown gall disease. However, the mechanism of this resistance is not known and

Management of the obliquebanded leafroller and organophosphate insecticide resistance with soft pesticides in New York apple orchards

Creator:: Reissig, W. Harvey, Agnello, A, Nyrop, J., and Straub, R.
Resource Type:: Conference Proceeding
Full Text:: LEAFROLLER AND ORGANOPHOSPHATE INSECTICIDE RESISTANCE WITH SOFT PESTICIDES IN NEW YORK APPLE ORCHARDS

How to reduce the risk of pesticide resistance in apple pests in Oregon

Creator:: Kaiser, Clive, Azarenko, A. N. (Anita Nina), Spotts, Robert Allen, 1945-, and Oregon State University. Extension Service
Abstract:: Pesticides—including insecticides, acaricides, fungicides, and bactericides are essential for maintaining healthy crops with reliable yields and quality. In many instances, pesticides have become less effective as target organisms have developed resistance. The first record of resistance dates to 1897, when orchardists began having problems controlling San Jose scale (Quadraspidiotus perniciosus...
Resource Type:: Technical Report
Full Text:: pest and disease resistance to pesticides remains a problem globally and in the Pacific North- west

Heritabilities and associations between some agronomic characters in a two-row x six-row barley cross

Creator:: Bray, Donald William
Resource Type:: Dissertation
Full Text:: , tillering, maturity, and resistance to diseases, insects, drought and lodging. Most of the important

The nature of Fusarium wilt disease resistance in tomato

Creator:: Stromberg, Erik Leslie
Abstract:: Bioassays of acetone extracts from xylem tissue in tomato stems and corresponding reductions in Fusarium oxysporum f.sp. lycopersici race 1 or 2 populations within the stems suggest that fungitoxic materials within the xylem vessels of Bonny Best, Jefferson, and Marglobe tomato cultivars initially kill a portion of the inoculum conidia....
Resource Type:: Dissertation
Full Text:: BOTANY AND PLANT PATHOLOGY presented on A de, 7 7 Title: THE NATURE OF FUSARIUM WILT DISEASE RESISTANCE

Yield loss assessment in nonprotected winter wheat varieties (Triticum aestivum, L. em Thell)

Creator:: Camacho Casas, Miguel Alfonso
Abstract:: The effects of some soil- and foliar-borne biotic factors on grain yield and the components of yield were evaluated using five winter wheat varieties sown at two dates. Within each planting date, varieties were grown under four different combinations of two soil treatments (fumigation and nonfumigation) and two foliar treatments...
Resource Type:: Masters Thesis
Full Text:: , disease resistance is the most economic means of protection. In the Pacific Northwest there are many soil

Genetic relationships between pea seedborne mosaic virus resistance and horticultural characteristics, powdery mildew, enation mosaic virus and red clover vein mosaic virus resistance in Pisum sativum L.

Creator:: Sewall, Cathy Hampshire
Resource Type:: Masters Thesis
Full Text:: LITERATURE CITED 72 LIST OF TABLES Table Page 1. Disease resistance and horticultural charac

Inheritance of resistance to head smut disease in maize (Zea mays L.)

Creator:: Akhtar, Ali
Resource Type:: Dissertation
Full Text:: x SM7, 1982 and 1983. 93 INHERITANCE OF RESISTANCE TO HEAD SMUT DISEASE IN MAIZE (ZEA MAYS L

ScholarsArchive@OSU

Plant hormone-induced defense responses against Botrytis cinerea

Induction of apple defense genes by Erwinia amylovora and biological control agents

Silencing the Agrobacterium tumefaciens oncogenes

Management of the obliquebanded leafroller and organophosphate insecticide resistance with soft pesticides in New York apple orchards

How to reduce the risk of pesticide resistance in apple pests in Oregon

Heritabilities and associations between some agronomic characters in a two-row x six-row barley cross

The nature of Fusarium wilt disease resistance in tomato

Yield loss assessment in nonprotected winter wheat varieties (Triticum aestivum, L. em Thell)

Genetic relationships between pea seedborne mosaic virus resistance and horticultural characteristics, powdery mildew, enation mosaic virus and red clover vein mosaic virus resistance in Pisum sativum L.

Inheritance of resistance to head smut disease in maize (Zea mays L.)

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