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Paper Information

Journal:   AGRICULTURAL RESEARCH   2007 , Volume 7 , Number 3; Page(s) 31 To 38.
 
Paper: 

EFFECTS OF IRRIGATION METHODS ON BLACK DOT, SECONDARY GROWTH OF TUBERS AND YIELD OF POTATO IN HAMEDAN REGION

 
 
Author(s):  ABYANEH ZARE, KAZAZI H., ZAFARI M., ZAMANI P.
 
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Abstract: 
In this study, two methods of irrigation and five varieties of potato were used in order to investigate their effects on black dot disease, growth of secondary tuber and yield of potato. Testes were achieved under a split plots design with three replicates in research station of Tajarak in Hamedan. Irrigation systems including sprinkler irrigation and furrow irrigation were main factor and varieties of potato comprising Agria, Herta, Picaso, Kasmoos and Marfona were sub factors.
Results showed that irrigation systems did not any ecstatically effect on yield. However, in sprinkler irrigation treatment, despite of less use of water, the yield was more than furrow irrigation. The effects of varieties individually and effects of irrigation systems and varieties simultaneously were significant on yield. Marfona variety produced the highest yield and also its resistance to black dot disease and secondary growth of tubers was further than other varieties. On the other hand, Herta variety was the most sensitive to black dot and secondary growth of tubers. It was concluded that sprinkler irrigation system increased the yield due to inhibition of senescent of plant, reducing sensitivity of plant to pest and increasing the light obtaining by plant. Although moderate climate of Hamedan causes decreasing secondary growth of tuber, but reaction of potato varieties were different in this regard. Marfona variety with 6.17 percent secondary growth of tuber showed the lowest abnormality. Consequently, the results totally showed that application of sprinkler irrigation and use of Marfona variety are able to control black dot disease significantly, meanwhile in sprinkler irrigation, the amount of water usage is lower than furrow irrigation.
 
Keyword(s): SPRINKLER IRRIGATION, FURROW IRRIGATION, BLACK DOT, POTATO, HAMEDAN
 
References: 
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