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Bernd Leinauer, Matteo Serena, and Devesh Singh

Seeding is the most common establishment method used for turf areas ( Christians, 1998 ). Seeding keeps establishment costs to a minimum ( Burton, 1992 ) and is convenient because of the ease of transportation, storage, and spreading of seeds

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Luqi Li, Matthew D. Sousek, Keenan L. Amundsen, and Zachary J. Reicher

et al., 1993 ). Most buffalograss is commercially treated with KNO 3 followed by chilling to overcome dormancy ( Fry, 1995 ), which increases germination from 10% to 80% ( Riordan et al., 1997 ). Optimum spring seeding dates for buffalograss

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Melkizedek O. Oluoch and Gregory E. Welbaum

141 POSTER SESSION 21 (Abstr. 833-841) Seeds and Seedlings

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Scott B. Lukas, Joseph DeFrank, and Orville C. Baldos

Plants produce seeds to ensure the greatest establishment and survival success for future generations ( Stoehr and El-Kassaby, 2011 ). One innate mechanism to increase seedling success is seed dormancy. The critical function of dormancy is to

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Susan M. Stieve and David Tay

Poster Session 34—Seed and Stand Establishment 30 July 2006, 12:00–12:45 p.m.

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Regina P. Bracy and Richard L. Parish

Stanhay, Carraro, and Gaspardo precision vegetable seeders were evaluated for seeding uniformity with seeds of five vegetable crops—cabbage (Brassica oleracea L. Capitata group), carrot (Daucus carota L.), cucumber (Cucumis sativus L.), onion (Allium cepa L. Cepa group), and spinach (Spinacia oleracea L.). Five measurements [mean, percentage of misses, percentage of multiples, quality of feed, and precision (defined as the coefficient of variation after misses and multiples were discarded)] were used to evaluate seeder uniformity. Using all five measurements provided a more complete determination of the metering uniformity of the seeders than was possible in prior work when only mean and coefficient of variation were used. The belt seeder (Stanhay) was effective at singulating spherical seeds (cabbage) and nearly spherical seeds (onion)as the most precise vacuum seeder (Carraro). Seeding uniformity of all seeders with elongated (carrot and cucumber) or angular (spinach) seeds was inadequate for precision seeding.

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Jack Fry, Randy Taylor, Bob Wolf, Dick Stuntz, and Alan Zuk

( Zuk and Fry, 2005 ). Bermudagrass is used extensively in the transition zone, but until recently there were no seeded turf-type cultivars that had acceptable freezing tolerance. ‘Yukon’ bermudagrass was released in 2002 by Oklahoma State University

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Nebahat Sari, Emily Silverman, Danny Reiland, and Todd C. Wehner

are also consumed by cooking ( Manandhar, 2002 ; Moerman, 1998 ). Some bottle gourd types are mainly grown for edible seeds ( Achigan-Dako et al . , 2008 ). Lagenaria seeds are good sources of lipids and proteins ( Achu et al., 2005 ; Loukou et al

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Anwar A. Khan and James D. Maguire

135 ORAL SESSION (Abstr. 645-650) CROSS-COMMODITY SEED PHYSIOLOGY II

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Branko R. Lovic and Donald L. Hopkins

While this article describes important steps to reduce the presence of potentially seedborne pathogens in seed production fields, information contained herein constitutes suggestions only and does not guarantee a disease-free crop. Despite