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Ryan J. Hayes, Mark A. Trent, Beiquan Mou, Ivan Simko, Samantha J. Gebben and Carolee T. Bull

The popularity of commercially produced and packaged salads has increased in the United States ( Glaser et al., 2001 ). Baby leaf lettuce ( Lactuca sativa L) is the primary component of spring mix salads, which includes some mixture of a number of

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Desire Djidonou and Daniel I. Leskovar

Lettuce ( Lactuca sativa L.), a cool-season leafy vegetable is widely grown throughout the world because of its high consumption and economic value. In the United States, types of lettuce predominantly grown include crisphead (iceberg), cos

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Ariena H.C. van Bruggen, Philip R. Brown and Art Greathead

tissue and soil samples. We are grateful to R.G. Grogan and Doug O'Brien for reviewing the manuscript. This research was sponsored by the California Iceberg Lettuce Research Advisory Board, Salinas, Calif. The cost of publishing this paper was defrayed in

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Sylvie Jenni, David de Koeyer and George Emery

Temperature extremes can impose major limitations on crop productivity and production in some areas. Growing lettuce above the optimal range of 7 °C to 24 °C results in a reduction in product quality associated with the development of

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H.J. Hill, Jesse D. Cunningham, Kent J. Bradford and A.G. Taylor

) lettuce ( Lactuca sativa L.) types. Other benefits of priming include increasing the effectiveness of beneficial organisms in preventing seedling diseases ( Taylor et al., 1985 ) and eliminating seedborne bacteria from Brassica species ( Hill, 1999

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Ryan J. Hayes and Edward J. Ryder

Big vein is an economically damaging disease of lettuce ( Lactuca sativa L.). Symptoms include chlorosis surrounding the vascular bundles and leaf stiffening that can disrupt normal head development, resulting in a reduced frequency of marketable

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Jinrong Liu, W. Roland Leatherwood and Neil S. Mattson

conditions. Plug seedlings of ‘Vates’ collards, ‘Nagoya Mix’ flowering kale, ‘Buttercrunch’ lettuce, ‘Sweet Banana’ pepper, and ‘Sweet 100’ tomato were obtained from a commercial producer. The lettuce and flowering kale were from 288-cell plug flats, whereas

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Isabel Pimentel and Samuel Contreras

Lettuce, one of the most important vegetable crops in the world, is established through direct sowing or the transplant of seedlings; in both cases, high seed quality is essential to achieve a successful crop as low or slow germination results in

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Chenping Xu and Beiquan Mou

horticultural crops including vegetable, fruit, and ornamental crops, but in most of those experiments chitosan was foliar applied ( El-Miniawy et al., 2013 ; Farouk and Amany, 2012 ; Pichyangkura and Chadchawan, 2015 ; Pirbalouti et al., 2017 ). Lettuce

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Samuel Contreras, Mark A. Bennett and David Tay

) reported that water deficit during seed production improved storability of peanut and rapid-cycling brassica [ Brassica campestris ( rapa ) L.] seeds, respectively. Lettuce ( Lactuca sativa L.) is one of the most important vegetables in the world. In