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Effect of pruning and training time on yield components and cold hardiness of 'Marion' blackberry

Creator:

Bell, Neil (Neil Charles), 1961-

Abstract:

The effect of primocane removal and training time on yield components and cold hardiness of 'Marion' trailing blackberry was studied. In 1991, primocanes were either not cut, or cut at ground level from plants on a single occasion at one month intervals from late April to late July. Four canes...

Resource Type:

Masters Thesis
Effect of date of renovation on yield components of strawberries

Creator:

Zhang, Lingxiao

Abstract:

Two experiments were conducted from 1987 to 1990 to study the effect of date of renovation on strawberry yield and yield components. In the first experiment, 'Benton' plants were renovated from July 6, 1988 (1 week after harvest - WAH) to August 24, 1988 (8 WAH). In the second experiment...

Resource Type:

Masters Thesis
Biology and demography of grape phylloxera, Daktulosphaira vitifoliae (Fitch) (Homoptera: Phylloxeridae), in western Oregon

Creator:

Connelly, Anne E.

Abstract:

Grape phylloxera, Daktulosp/iaira vitfoliae (Fitch) development was studied under field and laboratory conditions. The aphid-like insect feeds on Vitis vinfera L. roots producing swellings that decay and lead to vine decline. The only long-term economic solution for control of grape phylloxera (GP) is to plant vines grafted onto a resistant...

Resource Type:

Masters Thesis
Dry weight and 15N-nitrogen and partitioning, growth, and development of young and mature blueberry plants

Creator:

Bañados, Maria Pilar

Abstract:

The effect of planting density and nitrogen (N) fertilization on growth, yield, and N partitioning in young and mature 'Bluecrop' blueberry plants was studied over a two year period. Depleted 15N-ammonium sulfate was applied at different rates and on different dates in a mature planting, and at different rates in...

Resource Type:

Dissertation