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Influence of nitrogen form ratio and calcium on greenhouse and field performance of watermelon

Creator:

Lamb, Michael J.

Abstract:

Watermelon (Citrullus lanatus (Thunb.) Matsum. & Nakai var. Crimson Sweet) was seeded in a commercial peat mix in multicell containers (72 cells-tray⁻¹, 40 cm³-cell⁻¹) in July 1989 and April 1990. In 1989, the medium was amended with CaC0₃ at 10% w:v. In 1990, no CaC0₃ amendment was made. Watermelon seedling...

Resource Type:

Masters Thesis
Effect of row cover and supplemental Ca fertilization on blossom-end rot in bell pepper (Capsicum annuum var. annuum, Grossom Group)

Creator:

Alexander, Shara E.

Abstract:

A 2-year trial was conducted at Oregon State University's Hermiston Agricultural Research and Extension Center to examine the effects of spunbonded row cover and supplemental calcium fertilization on blossom-end rot in two varieties of bell pepper. Blossom-end rot is a common cause of bell pepper yield losses, especially at the...

Resource Type:

Masters Thesis
The effect of common corn smut (Ustilago maydis) on sweet corn (Zea mays L.) in the Columbia Basin

Creator:

Blatchford, Sarah

Abstract:

Impact of natural infection of common com smut (Ustilago maydis) on processing characteristics of three F₁ hybrid sweet com (Zea mays L.) cultivars was evaluated in a two-year study with early and late spring planting dates. At harvest maturity, size and location of galls were recorded and quality characteristics measured....

Resource Type:

Masters Thesis