Graduate Thesis Or Dissertation
 

Plant growth regulators and shattering control in cool-season perennial grasses

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https://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/8623j082j

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  • Shattering is a natural phenomenon of floret and spikelet disarticulation across abscission layers of the pedicel and rachilla, respectively, after seed maturation. Seed shattering in cool-season grasses and native grass species is an economic problem in seed production. This study was conducted to determine whether the use of the plant growth regulators aminoethoxyvinyiglycine (AVG) and trinexapac-ethyl (TE) could reduce the incidence and severity of seed shattering under greenhouse conditions, and increase harvested seed yield under field conditions in perennial ryegrass (Loliumperenne L.) and tall fescue (Festuca arundinacea Schreb.).
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