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Paper Information

Journal:   JOURNAL OF AGRICULTURE   SPRING 2007 , Volume 9 , Number 1; Page(s) 59 To 66.
 
Paper: 

EVALUATION OF RESISTANCE OF PROMISING LINE (M-79-6) TO COMMON BUNT IN FIELD CONDITIONS

 
 
Author(s):  MARDOUKHI V.*, NAJAFIAN G., NAZERI A., KAFASHI A.K., AHMADI A.A.R.
 
* CEREAL RESEARCH DEPARTMENT, SEED AND PLANT IMPROVEMENT INSTITUTE, TEHRAN, IRAN
 
Abstract: 

Six cultivars of hexaploid wheat (Hyrmand, Shiraz, Pishtaz, Marvdasht, Mahdavi, Roshan (susceptible check) and M-79-6) in subplots, and three seed treatments: I1- seed without treatment; I2-seeds artificially infected with bunt spores in 5/1000 ratio and I3-seeds treated with Carboxin thiram FS in main plots of a split plot trial within a RCBD with three replications and 3 locations of Karaj, Kermanshah and Neishabour were studied. Bunt efected was measured using spike counting for every experimental plot. The data transformed to Arc Sin [X1/2] and the means compared. In all locations seeds with bunt spores treatment produced higher percentage of bunt infection. The varieties Roshan, Mahdavi, Marvdasht and Shiraz showed high rates of bunt infection as susceptible varieties. The Hyrmand, Pishtaz and M-79-6 showed trace infection and designated as resistant varieties. The cultivation of M-79-6, which showed a high level of resistance to common bunt in temperate polluted areas, could lead to control disease and decrease operating cost of seed treatment.

 
Keyword(s): BREAD WHEAT, COMMON BUNT, PROMISING LINEM-79-6, SUSCEPTIBLE
 
References: 
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