RSS 1.0Horticulture, Department of
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This community contains research by faculty members and students in the Department of Horticulture at Washington State University. Researchers in the department work with the WSU Mount Vernon Northwestern Washington Research Center, the WSU Tree Fruit Research and Extension Center (Wenatchee), the WSU Prosser Irrigated Agriculture Research and Extension Center, and the WSU Puyallup Research and Extension Center.
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Electronic Dissertations and Theses - Horticulture
This collection contains theses and dissertations by students in the Horticulture program at WSU.
Recent Submissions
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Varietal differences in water relations of wine grapes
(2019)Wine grape varieties are classified by their water stress response in two groups: Isohydric varieties showing high and constant water status under drought due to highly sensitive stomata and anisohydric varieties showing ... -
MANIPULATING THE PRODUCTION EFFICIENCY OF POTATO WITH PLANT GROWTH RETARDANTS AND CHARACTERIZATION OF DEVELOPMENTAL AND POSTHARVEST PHYSIOLOGICAL PHENOTYPES OF ENGINEERED CULTIVARS
(2019)Management techniques that reduce agronomic inputs, control tuber size, and prolong the postharvest quality of potato and its products will enhance the economics and sustainability of production. The research had three ... -
INTERACTIONS BETWEEN ROOTSTOCK GENOTYPE AND SOIL ENVIRONMENT AFFECT SCION PHYSIOLOGY AND MINERAL NUTRITION OF APPLE
(2019)Irrigation is essential for many apple production regions, which elevates the risk in the future where water shortages will likely occur. Soil environment is a critical factor contributing to tree growth and development. ... -
OPTIMIZATION OF POLLINATION AND FRUIT SET IN NORTHERN HIGHBUSH BLUEBERRY
(2017)Fruit set in northern highbush blueberry (Vaccinium corymbosum L.) can be low under certain climatic conditions, contributing to reduced yields in northwestern Washington. Little is known about the mechanisms of reduced ... -
MODIFYING TUBER SIZE DISTRIBUTION, LOW TEMPERATURE SWEETENING AND TOLERANCE TO HEAT STRESS IN PROCESSING POTATOES (Solanum tuberosum L.)
(2016)Controlling tuber size distribution and the propensity for low temperature sweetening (LTS) of processing potatoes are key to optimizing quality and maximizing crop value. My research focused on (1) developing methods to ... -
THEORETICAL AND EMPIRICAL EVALUATION OF EFFICIENCY OF MARKER-ASSISTED SEEDLING SELECTION IN ROSACEAE TREE FRUIT BREEDING
(2016)Most rosaceous tree fruit have long juvenility and large plant sizes, which makes traditional seedling selection (TSS), relying on phenotypic evaluation alone, time-consuming and expensive. Marker-assisted seedling selection ... -
QUANTIFYING EFFICIENCY AND ACCURACY IN THE WASHINGTON STATE UNIVERSITY APPLE BREEDING PROGRAM
(2015)The Washington State University Apple Breeding Program just passed its 20th anniversary, released its third new variety and moved under new direction with breeder Kate Evans. The major program goal is to release a portfolio ... -
GENETIC MECHANISMS OF RESISTANCE TO FUSARIUM ROOT ROT IN PEA (PISUM SATIVUM L.)
(2014)Pea (Pisum sativum L.) is an important cool season food legume grown worldwide. High protein and nutritional value, nitrogen fixation, lower water usage and easy growth are some of the benefits of pea production. Despite ... -
Temperature and Genotype Influence Sweet Cherry Pollination Biology
(2014)In the Pacific Northwest of the U.S., the commercial productivity of several sweet cherry (Prunus avium L.) varities with outstanding fruit attributes is poor, such as `Tieton', `Regina' and `Benton'. Study of the reproductive ... -
A PREDICTIVE GENETIC KNOWLEDGE FOR APPLE "FRESH SENSATION" PROVIDES INFORMATION TO INCREASE BREEDING EFFICIENCY IN WASHINGTON
(2014)Apple texture and flavor are fruit quality components that determine the success of new apple cultivars and consumer satisfaction. Better-tasting apples encourage greater consumption and health benefits. The combined suite ... -
THE USE OF BIODEGRADABLE MULCH FOR TOMATO AND BROCCOLI PRODUCTION: CROP YIELD AND QUALITY, MULCH DETERIORATION, AND GROWERS' PERCEPTIONS
(2013)Biodegradable mulch may offer the benefits of polyethylene mulch for crop production with the added benefit of biodegradability. Four studies were carried out in Mount Vernon, WA to evaluate biodegradable mulch for tomato ( -
EFFECTS OF WOOD CHIP MULCHES ON WEED SUPPRESSION AND WOODY PLANT ESTABLISHMENT
(2012)Suppressing weeds and enhancing desirable plant establishment are important when installing or maintaining landscapes. Two woodchip mulches of different particle sizes and origin were applied at different depths to assess ... -
CALCIUM/CALMODULIN-BINDING PROTEINS AND THEIR ROLE IN REPRODUCTIVE DEVELOPMENT AND STRESS RESPONSES IN PLANTS
(2011)It has been well documented that calcium/calmodulin signaling plays important roles in plant growth, development and responses to environmental stimuli. In recent years, a variety of calcium/calmodulin-binding proteins ... -
Root Health Management in Raspberry Production Systems
(2011)Red raspberry (Rubus ideaus) production is a vital component of Washington's agriculture. Two soil borne pathogens, Phytophthora rubi (Pr) and Pratylenchus penetrans (Pp) affect root health in raspberry. In a survey of ... -
Identification, isolation and characterization of mildew resistance locus O in rosaceae
(2011)The economically important plant family Rosaceae consists of over 100 genera and 3,000 species that include many important fruit, nut, ornamental, and wood crops. Its members represent diverse biological systems which ...