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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

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

Inheritance of resistance to Fusarium root rot in Phaseolus vulgaris L., and Phaseolus coccineus L.

Creator:: Azzam, Hassan Ahmed
Abstract:: Progenies of two bean crosses were studied for inheritance of resistance to dry root rot caused by Fusarium solani f. phaseoli. O.S.C. 22 (P. vulgaris) was used in both crosses as the susceptible parent. A Mexican line (P. vulgaris) and a line 2014 of the runner bean (P. coccineus) were...
Resource Type:: Dissertation
Full Text:: breeding program a study of the inherit* ance of resistance to the disease is desirable, and such a 2

The effect of light and nitrogen limitation on western conifers : response to Armillaria ostoyae infection

Creator:: Entry, James A.
Abstract:: Armillaria (Fr. ex. Fr.) is a parasite whose pathogenicity and role in forest ecosystems often depends upon the physiological condition of the tree. Therefore, I tested the frequency and severity of Armillaria ostoyae (Romagn.) Herink infection among Abies grandis (Dougl.) Lindl., Larix occidentalis Nutt., Pinus contorta var. latifolia (Engelm.), Pinus...
Resource Type:: Dissertation

A method of breeding for resistance to fusarium and bacterial wilt in alfalfa

Creator:: Wilson, Marvin L.
Resource Type:: Dissertation
Full Text:: A Method of Breeding for Resistance to Fusarium and

The inheritance of resistance to bean yellow mosaic virus in Phaseolus vulgaris L

Creator:: Baggett, James R.
Resource Type:: Dissertation
Full Text:: Production and Harvest. . 26 General Inoculation Methods. 27 Resistance Tests 30 Grafting Experiments

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:: ’-boxes of defense-related target gene and to induce foliar resistance against necrotrophic pathogens

Cytological and histological changes induced by western cucumber mosaic

Creator:: Porter, Clark Alfred
Resource Type:: Dissertation
Full Text:: Cytological and histological changes induced by western

Inheritance of resistance in some wheat introductions to selected races of bunt, Tilletia caries (DC) Tul and Tilletia foetida (Wallr) Liro

Creator:: Abdalla, Osman S.
Abstract:: Bunt or stinking smut is a major disease of wheat. In the U.S. common bunt, Tilletia caries (DC) Tul. and T. foetida (Wallr) Liro, is a threat to wheat production in the Pacific Northwest. Screening trials conducted by USDA Cereal Investigations Project in Oregon, from 1955-1980, revealed that a number...
Resource Type:: Dissertation
Full Text:: number of genes governing resistance and correlations were used to measure degree of association of

ScholarsArchive@OSU

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

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

Inheritance of resistance to Fusarium root rot in Phaseolus vulgaris L., and Phaseolus coccineus L.

The effect of light and nitrogen limitation on western conifers : response to Armillaria ostoyae infection

A method of breeding for resistance to fusarium and bacterial wilt in alfalfa

The inheritance of resistance to bean yellow mosaic virus in Phaseolus vulgaris L

Plant hormone-induced defense responses against Botrytis cinerea

Cytological and histological changes induced by western cucumber mosaic

Inheritance of resistance in some wheat introductions to selected races of bunt, Tilletia caries (DC) Tul and Tilletia foetida (Wallr) Liro

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