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" Buried drip irrigation reduces fungal disease in pistachio orchards "
Goldhamer, David A.; Michailides, Themis J.; Morgan, David P.
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AL
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| Record Number
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944752
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LA2dp8b1hj
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| Language of Document
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English
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| Main Entry
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Goldhamer, David A.; Michailides, Themis J.; Morgan, David P.
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| Title & Author
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Buried drip irrigation reduces fungal disease in pistachio orchards [Article]\ Goldhamer, David A.; Michailides, Themis J.; Morgan, David P.
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| Title of Periodical
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California Agriculture
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| Volume/ Issue Number
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56/4
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| Date
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2002
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| Abstract
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Alternaria late blight, a fungal disease affecting both leaves and fruit, can lower the quality of pistachios and reduce grower profit. High humidity in orchards increases the magnitude and severity of the blight infections. One cause of high orchard humidity is the evaporation of water from the soil surface, which in turn is enhanced by irrigation systems that wet the surface. In this study, we tested the use of buried drip irrigation, which reduces orchard floor wetting, to see how well it controlled the disease. When compared with a traditional flood irrigation system, the buried drip system reduced orchard humidity and dew duration and increased temperature. This significantly reduced leaf symptoms of the disease and fruit infection at harvest. Additionally, more shells split open with the buried drip method, resulting in a higher yield of marketable pistachios.
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