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Physiological Responses Of Four Hazelnut Hybrids To Water Availability In Nebraska, Tala Awada, Scott Josiah
Physiological Responses Of Four Hazelnut Hybrids To Water Availability In Nebraska, Tala Awada, Scott Josiah
Great Plains Research: A Journal of Natural and Social Sciences
Responses of hazelnut hybrids (88BS, BOX1, Gl7, and GEL502) to water availability (watered and nonwatered) were examined in the field. The study site received 35% of long-term average precipitation between July and September. Photosynthesis (A), stomatal conductance (gs), water potential (Ψ), and specific leaf area were generally lower in the nonwatered than in the watered treatment and exhibited significant seasonal decline, which was accompanied by an increase in water use efficiency (WUE) under both water treatments. Hybrids exhibited different strategies to cope with water availability. The hybrid 88BS was more water conserving, with the most decline in g …