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Filtering by: Subject Hops -- Diseases and pests Academic Affiliation Horticulture Advisor Frazier, W. A.

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:

disease score of seven lines of Phaseplus coccineus in greenhouse and field tests «... 31 5 The
Inheritance of resistance to halo blight, Pseudomonas phaseolicola (Burk.) in Phaseolus vulgaris L

Creator:

Hong, Lorraine Luo

Resource Type:

Masters Thesis

Full Text:

western Washington and in the Willamette Valley of Oregon in 1964 and 1965. This disease has been
Effect of temperature and zinc on development of tobacco mosaic virus in resistant and susceptible tomatoes

Creator:

Lopez-Garcia, Justo

Abstract:

An investigation of the effects of temperature and of zinc on development of tobacco mosaic virus (TMV) in resistant and susceptible varieties of tomatoes was conducted under greenhouse conditions. The study included two experiments, one run during late winter and early spring, and the other during late spring and summer,...

Resource Type:

Masters Thesis

Full Text:

relationship between nutrition of the plant and disease development. It is generally acknow- ledged