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Jennifer L. Dwyer, N. Curtis Peterson, and G. Stanley Howell

72 ORAL SESSION 21 (Abstr. 167–174) Temperature Stress (General)/Cross-commodity

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Nathan J. Jahnke, Jennifer Kalinowski, and John M. Dole

et al., 2009 ; Natarella and Kays, 1979 ), decrease quickly when they are stored dry because of their inability to rehydrate. Successful dry storage is highly influenced by storage duration and temperature. The vase life of ‘Ambiance’ rose ( Rosa

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Neil Bell, Heather Stoven, James S. Owen Jr., and James E. Altland

2:1 (v/v) mix of horticultural grade perlite and fine milled sphagnum peat. Trays were placed in a mist bed with bottom heat (≈21 °C) in a temperature-controlled greenhouse (20 °C). Rooted cuttings were transplanted to 6-inch square nursery pots in

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Uttara C. Samarakoon and James E. Faust

temperature can lead to better rooting ( Maynard and Bassuk, 1992 ). Based on these reports, we concluded that the stock plant environment is critical for rooting success, and that growing in a greenhouse allows for better control over seasonal environmental

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John E. Erwin and Royal D. Heins

Abbreviations: DT, day temperature; DIF, difference between day temperature and night temperature NT, night temperature; VB, visible bud stage. 1 Present address: Horticultural Science, University of Minnesota, 1970 Folwell Ave., Saint Paul, MN

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Matthew G. Blanchard, Erik S. Runkle, Arend-Jan Both, and Hiroshi Shimizu

.g., temperature and light) influence plant growth and development. The rate of plant development is controlled by the mean daily temperature (MDT) of the apical meristem (e.g., shoot tip) ( Faust and Heins, 1993 ; Niu et al., 2001 ; Roberts and Summerfield, 1987

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Ryan M. Warner

The rate of progress toward a developmental event, such as vegetative node appearance (development rate; the inverse of plastochron) or flowering, is primarily a function of the average daily temperature ( Kanellos and Pearson, 2000 ; Niu et al

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Nasir Malik, Joe M. Bradford, and Jim E. Brockington

Poster Session 46—Temperature Stress Physiology 21 July 2005, 12:00–12:45 p.m. Poster Hall–Ballroom E/F

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Silvia Jiménez, Mónica Pérez, Blanca María Plaza, Roberto Salinas, and María Teresa Lao

independent variables considered by the model were global radiation (Rg) and air temperature in the greenhouse, crop age and water uptake, as well as a guide ion. Brun and Chazelle (1996) described the (NO 3 – -N) uptake kinetic on roses with a multiple

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Cristian E. Loyola, John M. Dole, and Rebecca Dunning

respondents. Increasing temperature accelerates germination of larkspur, depending on the cultivar and length of exposure ( Mori, 2006 ). However, other sources showed that oriental larkspur germinates better at lower temperatures (5/10 °C and 5/15 °C day