Evaluation of Grape Rootstocks for Resistance to Phymatotrichum omnivorum
نویسندگان
چکیده
منابع مشابه
Virulence of Meloidogyne spp. and Induced Resistance in Grape Rootstocks.
Harmony grape rootstock displays resistance to several Meloidogyne spp. but that resistance is not durable in commercial vineyard settings. A 2-year experiment in a microplot setting revealed host specificities of two virulent populations of Meloidogyne arenaria and an avirulent population of Meloidogyne incognita. In a subsequent split-root experiment, the avirulent nematode population was dem...
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Sanguinaria canadensis L. is reported by TAUBENHAUS and EZEKIEL (6) to be highly resistant to the Phymatotrichum root rot. It has long been of interest on account of its alkaloidal content. DANA (1) isolated the alkaloid, sanguinarine, from this species in 1827. Since that time chelerythrine, protopine, and jand y-homochelidonine have been isolated from the rhizome and roots (5). For these reas...
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Five grape rootstocks were inoculated with 0, 100, 1,000, and 10,000 Pratylenchus vulnus. Dogridge and Saltcreek supported low average total numbers of P. vulnus, 136-705/pot, at 12 months after inoculation. Growth of both rootstocks was not affected. Harmony, Couderc 1613, and Ganzin 1 supported high average total numbers, 6-856 times the inoculum levels. Numbers in Harmony continued to increa...
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ژورنال
عنوان ژورنال: HortScience
سال: 1997
ISSN: 0018-5345,2327-9834
DOI: 10.21273/hortsci.32.6.981a