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Daniel C. Brainard, Zachary D. Hayden, Marisa M. Benzle, Michael Metiva, Logan R. Appenfeller, and Zsofia Szendrei

et al. 2014 ). Cucurbits, including pumpkins, winter squash, and zucchini ( Cucurbita pepo ), are economically important crops that are better suited for reduced tillage than many vegetables (Harrelson et al. 2008; O’Rourke and Petersen 2016

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Jennifer Wetzel and Alexandra Stone

There is increasing consumer demand for locally and regionally grown produce in the late fall and winter ( King et al., 2015 ). Winter squash is a crop that can fill this market opportunity because it is harvested in the fall and can be stored for

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Rachel A. Itle, Eileen A. Kabelka, and James W. Olmstead

The mesocarp tissue (flesh) of squash ( Cucurbita spp.) genotypes ranges from white to orange, resulting from variation in the presence and concentrations of different carotenoid pigments. Carotenoids contribute to the nutritional value of squash

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Charles S. Krasnow and Mary K. Hausbeck

Phytophthora capsici is a destructive pathogen of cucurbit and solanaceous vegetables. All cultivars of squash are considered susceptible to phytophthora root, crown, and fruit rot ( Babadoost and Islam, 2003 ; Cafe et al., 1995 ); losses in

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Timothy Coolong

. (2008) reported significantly increased yields in zucchini squash ( C. pepo var. cylindrica ) resulting from improved nitrogen use efficiency with drip tubing placed 15 cm below the surface of a plastic mulch beds. Placing SDI at depths of 20 cm has

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Rachel A. Itle and Eileen A. Kabelka

activity but serve as antioxidants. Pumpkins and squash ( Cucurbita spp.) are excellent dietary sources of carotenoids ( Gross, 1991 ) and, in 2007, ranked 11th among other vegetables produced around the world ( FAOSTAT, 2008 ). The predominant carotenoids

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Wenjing Guan, Xin Zhao, and Donald J. Huber

of particular importance in elucidating rootstock–scion–environment interactions. Interspecific hybrid squash rootstocks ( C. maxima × C . moschata ), with characteristic vigorous root systems, tolerance to cold and saline conditions, and

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Harry S. Paris

Summer squash (Cucurbita pepo L.) is grown in many temperate and subtropical regions, ranking high in economic importance among vegetable crops worldwide. A native of North America, summer squash has been grown in Europe since the Renaissance. There are six extant horticultural groups of summer squash: cocozelle, crookneck, scallop, straightneck, vegetable marrow, and zucchini. Most of these groups have existed for hundreds of years. Their differing fruit shapes result in their differential adaptations to various methods of culinary preparation. Differences in flavor, while often subtle, are readily apparent in some instances. The groups differ in geographical distribution and economic importance. The zucchini group, a relatively recent development, has undergone intensive breeding in the United States and Europe and is probably by far the most widely grown and economically important of the summer squash.

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Harry S. Paris, Yosef Burger, Zvi Karchi, and Haim Nerson


‘Benning’s Yellow Tint’ is a summer squash (Cucurbita pepo L.) of the scallop or patty-pan cultivar group that has uniformly light yellow exterior color and excellent quality.

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Aly M. Ibrahim, Khalid A. AlZeir, and Mohammed A. Majeed

Squash is grown in the field and in tunnel type greenhouses in Saudi Arabia. To satisfy the demand for squash, additional production in controlled greenhouses would be desirable. The Jedida cultivar was treated with growth regulators. Seedlings were sprayed with Ethrel at 400 ppm. At flowering, six treatments were made: Agriton (60g/100L), sprayed at 10 day intervals; IAA (1%), IBA (1%), and Rootone, dusted on stigmas; hand pollination; and control. Fruits were harvested when they were 12 cm long. Ethrel increased the number of female flowers by 96% and changed the female: male ratio from 1:2 to 8:1. Highest marketable yield was obtained with the hand pollination, IBA, and IAA treatments. Yield in the Control treatment was low due to low insect activity. The results suggest that treatment with IAA or IBA will permit production of squash on a commercial scale in controlled greenhouses.