Reaction of some tobacco varieties to Black shank disease in inoculation of the stalk with races 0 and 1

Tashkoski, Petre (2005) Reaction of some tobacco varieties to Black shank disease in inoculation of the stalk with races 0 and 1. Tobacco, 55 (7-8). pp. 175-185. ISSN 0494-3244

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Official URL: http://www.tobaccobulletin.mk/

Abstract

Investigation of susceptibility and resistance of several domestic and introduced tobacco varieties to the pathogen P. parasitica var. nicotianae by inoculation of the stalk was made. Symptoms of the disease appear three days after inoculation and they depend on susceptibility of the variety and aggressiveness of the isolate. Great variability in the resistance was noticed, especially in domestic varieties. Medium resistance to the isolate P4 - race 0 was observed in the varieties P7, Yk7-4/2 and B1/91. All varieties were identified as susceptible and highly susceptible toward other isolates (race 0 and race 1). From the foreign varieties investigated, the highest level of resistance to both races of the pathogen was noticed in the variety Coker 371, while Ky14 showed high susceptibility. Ky14 x L8, B-37 and Beinhart 1000 showed highest resistance to all isolates of race 0, and low susceptibility to race 1. Only the variety NC 2326 medium resistance when inoculated with both races.

Item Type: Article
Subjects: Scientific Fields (Frascati) > Agricultural Sciences > Agriculture, forestry and fisheries
Divisions: Scientific Tobacco Institute
Depositing User: Ms Biljana Jordanoska
Date Deposited: 03 Nov 2016 20:18
Last Modified: 03 Nov 2016 20:18
URI: http://eprints.uklo.edu.mk/id/eprint/383

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