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Filtering by: Creator Koch, S. W. Advisor Kronstad, Warren E. Creator Camacho Casas, Miguel Alfonso

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:

, temperature, rainfall, etc. He also explains that experiments are complicated by the pest(s) component and by
Inheritance of Septoria leaf blotch resistance and the possible influence of heading date and plant height on the disease expression in a winter wheat cross

Creator:

Camacho Casas, Miguel Alfonso

Abstract:

Parental lines, Fi's and segregating populations (F₂, F₃ and BC's) including reciprocals were evaluated under field conditions to determine if genetic resistance per se exists for Septoria Leaf Blotch in a selected winter wheat cross. The experiment was conducted over a three year period with both natural infection and artificial...

Resource Type:

Dissertation

Full Text:

, 1985). The sexual stage of S. tritici was identified when cultured ascospores of Mycosphaerella