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Kansas State University (1979)

A study of the severity of Pythium blight of drought stressed and non-drought stressed turfgrasses in Kansas

Trader, Paul William

Titre : A study of the severity of Pythium blight of drought stressed and non-drought stressed turfgrasses in Kansas

Auteur : Trader, Paul William.

Université de soutenance : Kansas State University

Grade : Master of Science (MS) 1979

Descriptif
The objectives of this thesis were developed as a result of the obser vations of Pythium blight in Kansas during the summer of 1977- These object ives were : a) to determine which Pythium species were causing bl ight of turfgrass in Kansas, and b) to compare the severity of Pythium blight on drought stressed vs non-drought stressed turfgrass using zoospores as a source of inoculum. The latter study was divided into three phases : a test of the severity of the disease on drought stressed vs non-drought stressed turfgrass under greenhouse conditions, a similar test under field conditions, and obser vations of Pythium blight on hydropon ical ly-grown turfgrass subjected to a controlled water stress with the use of polyethlyene glycol

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