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The National Agricultural Library is one of four national libraries of the United States, with locations in Beltsville, Maryland and Washington, D.C. It houses one of the world's largest and most accessible agricultural information collections and serves as the nexus for a national network of state land-grant and U.S. Department of Agriculture field libraries. In fiscal year 2011 (Oct 2010 through Sept 2011) NAL delivered more than 100 million direct customer service transactions.

Journal Article

Journal article

Screening melon (Cucumis melo) for resistance to gummy stem blight in the greenhouse and field  [1997]

Zhang, Y.P. (Cornell University, Ithaca, NY.); Kyle, M.; Anagnostou, K.; Zitter, T.A.;

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Greenhouse and field evaluations of melon (Cucumis melo L.) for resistance to gummy stem blight, caused by the fungus Didymella bryoniae (Auersw.) Rehm, were conducted on 798 U.S. Dept. of Agriculture Plant Introduction (PI) accessions and 24 related Cucumis species. Plants were inoculated at the three to four true-leaf stage with a virulent isolate of D. bryoniae collected from Onondaga County, N.Y., and disease indices were calculated based on foliar and stem symptoms. In greenhouse screens, 43 C. melo accessions showed a high level of resistance. Results were consistent between the optimized greenhouse screening procedure described and inoculated replicated field tests. Of these accessions, a Chinese group, PIs 157076, 157080, 157081, 157082, 157084; another group from Zimbabwe, PIs 482393, 482398, 482399, 482402, 482403, 482408; and some others from different origins, PI 255478 (Korea) and PI 511890 (Mexico), showed high levels of resistance, at least equal to that in PI 140471, the leading source of resistance to date

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Bibliographic information

Language:
English
Type:
Journal Article
In AGRIS since:
1998
Volume:
32
Issue:
1
Start Page:
117
End Page:
121
All titles:
" Screening melon (Cucumis melo) for resistance to gummy stem blight in the greenhouse and field "
Other:
" references "

From the journal

HortScience : a publication of the American Society for Horticultural Science (USA)

ISSN : 0018-5345