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Patrick J. Conner

’ generally produces thin-shelled nuts with poor kernel development and has good resistance to pecan scab ( Worley and Mullinix, 1997 ). ‘Avalon’ was tested as Ga. 00-7-75 and first fruited in 2007 when it was observed to have large nuts, healthy foliage, and

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Domenico Bertetti, M. Lodovica Gullino and Angelo Garibaldi

values were measured by a data logger (Fourier Systems, New Albany, IN) placed among the plants. Disease assessment and statistical analysis. Disease development was evaluated daily, starting at the first appearance of symptoms. The number of leaf lesions

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Wojciech J. Janisiewicz, Robert A. Saftner, William S. Conway and Philip L. Forsline

mL −1 ) of P. expansum using our standard inoculation procedure ( Janisiewicz et al., 2003 ). The inoculated fruit were incubated at 22 ± 2 °C for 5 d and then evaluated for decay development by measuring the diameter of the decayed lesions. In

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Alireza Pourreza, Won Suk Lee, Mark A. Ritenour and Pamela Roberts

. The specific objectives were to: 1) investigate the progress of the lesion development on fruit over time after harvest, 2) select the important wave bands for designing a customized and image acquisition system to CBS symptoms, and 3) evaluate the

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Rick D. Peters, Tharcisse Barasubiye and Joanne Driscoll

particularly susceptible to bruising, especially during mechanical harvesting, which can lead to the development of rot in storage. For this reason, much of the crop in some production areas, including Prince Edward Island, is hand-harvested. During the

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Richard L. Bell, Tom van der Zwet, Steve Castagnoli, Todd Einhorn, Janet D. Turner, Robert Spotts, Gary A. Moulton, Greg L. Reighard and William W. Shane

firmness and the development of ripening capacity in ‘Gem’ pear. z Productivity. ‘Gem’ is precocious and productive. At AFRS, first flowering occurred in the third leaf after planting of trees on ‘Bartlett’ seedling rootstock. At MCAREC, where the trees

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Kaori Ando, Sue Hammar and Rebecca Grumet

producing sporulating lesions at 4 and 10 DPI and the shortest time to 50% sporulating fruit ( Fig. 1, D–F ). Summer squash and zucchini were also notable for rapid development of water-soaking symptoms; more that 50% of the tested fruit exhibited water

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Sarah J. Pethybridge, Niloofar Vaghefi and Julie R. Kikkert

CLS lesions on leaves may lead to rejection. The disease is also important in sugar beet ( Beta vulgaris ssp. vulgaris ) and C. beticola isolates are known to infect either host ( Jacobsen and Franc, 2009 ; Ruppel, 1986 ). Cercospora beticola

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Thomas J. Molnar, Joseph C. Goffreda and C. Reed Funk

entirely effective ( Johnson et al., 1996 ; Julian et al., 2008 ). Therefore, the development of cultivars with genetic resistance to the pathogen appears to be the most effective means for control ( Mehlenbacher, 1994 ). Breeders at Oregon State

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Lina M. Rodríguez-Salamanca and Mary K. Hausbeck

Colletotrichum coccodes in vitro Phytopathology 78 1357 1361 Dillard, H.R. 1989 Effect of temperature, wetness duration, and inoculum density on infection and lesion development of Colletotrichum coccodes on tomato fruit Phytopathology 79 1063 1066 Dillard, H