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Chad T. Miller and Mark P. Bridgen

” tissue developed at the apex of the mother rhizome ( Fig. 1 ). The independent variables were the number of weeks of storage, light treatments, cultivar, and possible interactions of main effects. The dependent variables, number of weeks to root

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William B. Thompson, Jonathan R. Schultheis, Sushila Chaudhari, David W. Monks, Katherine M. Jennings, and Garry L. Grabow

( Table 4 ). However, this difference was not significant at the shallow planting depth of 2 inches. Table 4. Sweetpotato storage root number and plant stand in response to planting depth and transplant size at Clinton, NC, in 2013. The interaction of

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Arthur Villordon, Jeffrey C. Gregorie, and Don LaBonte

storage root number at harvest. Lowe and Wilson (1974) cited limiting factors that influenced final storage root yield, including assimilate production and transport. Green et al. (2005) used the concept of inter-LR competition when describing the

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Arthur Villordon and Christopher Clark

. However, Lawrence et al. (1986) reported that with comparable low levels of M. incognita inoculum under field conditions, ‘Centennial’, a susceptible cultivar, show reduced storage root number and weight relative to ‘Jasper’, a moderately resistant

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Desmond G. Mortley, Douglas R. Hileman, Conrad K. Bonsi, Walter A. Hill, and Carlton E. Morris

exception of storage and fibrous root dry matter, exposure to prolonged darkness did not adversely affect the number and fresh weight of storage roots or foliage production. The significant interaction between prolonged darkness and cultivars for %DM of the

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Arthur Villordon, Don LaBonte, Nurit Firon, and Edward Carey

( Fig. 4A ) Increasing the rate to 200 kg·ha −1 did not result in a further increase in AR number. Fig. 2. Adventitious root samples from plants subjected to 0, 50, 100, and 200 kg nitrogen (N)/ha. These images were obtained from a complete replicate in

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G. Craig Yencho, Kenneth V. Pecota, Jonathan R. Schultheis, Zvezdana-Pesic VanEsbroeck, Gerald J. Holmes, Billy E. Little, Allan C. Thornton, and Van-Den Truong

averaged 2:1 for ‘Covington’ compared with 2:5 for ‘Beauregard’ averaged over 45 trials in North Carolina. Storage root skin color varies from light to medium rose (33D to 34D) and tends to darken during storage. Flesh color is a uniform orange (28B to 28C

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Zachary N. Hoppenstedt, Jason J. Griffin, Eleni D. Pliakoni, and Cary L. Rivard

testing for significant interactions of trial × origin × treatment for all storage root yield (pound per plant and number per plant) and marketability parameters showed no significant interaction between fixed and random effects. Therefore, ANOVA means

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Jiunn-Yan Hou, Tim L. Setter, and Yao-Chien Alex Chang

objectives of this study were to investigate the photosynthetic status after simulated dark shipping (SDS), to determine the effects of bare-root treatment and dark-storage duration on leaf hormonal content and post-shipping quality, and to determine the

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Julio Solis, Arthur Villordon, Niranjan Baisakh, Don LaBonte, and Nurit Firon

). These studies collectively demonstrate that abiotic cues result in transcriptional changes in sweetpotato. However, gene expression under stress has not been studied in early stages of storage root development, before thickening of roots. Sweetpotato SRs