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Paper Information

Journal:   JOURNAL OF SUGAR BEET   2004 , Volume 19 , Number 2; Page(s) 97 To 108.
 
Paper: 

EFFECT OF POWDERY MILDEW DISEASE ON QUANTITY AND QUALITY OF SUGAR BEET YIELD IN KERMANSHAH PROVINCE

 
 
Author(s):  BASATI J., ZAREII A., ZARRABI M.R., FAZLI A.
 
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Abstract: 

To study the effect of powdery mildew on sugar beet yield and percentage of sugar losses sugar percent losses, ten genotypes were compared in a factorial experiment based on randomized complete block design with 3 replications and two factors. The first factor was spraying treatment with two levels and the second were genotypes. Inoculation was carried out using the pathogens conidial suspension. Disease severity index was calculated based on the Wang's scale 6 weeks after inoculation. Data showed that fungicidal application increased root yield (16.5 %). However the positive response of the genotypes to chemical control of powdery mildew was variable. Increase in root yield varied from 0.5 tons/ha in Bulk 7233 to 19.7 tons/ha in the genotype 7233 p.107 Response of genotypes was also different in sugar percent and in the sprayed treatment sugar percent increased. Maximum sugar increase (2.2 %) was obtained in the genotype 7233 p.107.

 
Keyword(s): CHEMICAL CONTROL, KERMANSHAH , POWDERY MILDEW DISEASE, SUGAR BEET
 
References: 
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