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Paper Information

Journal:   IRANIAN JOURNAL OF AGRICULTURAL SCIENCES (JOURNAL OF AGRICULTURE)   2006 , Volume 37 , Number 3; Page(s) 553 To 560.
 
Paper: 

EFFECT OF IRRIGATION SYSTEMS (SPRINKLER AND FURROW) ON SAP SUCKING PESTS, BLACK DOT DISEASE AND GROWTH TREND IN POTATO CULTIVARS

 
 
Author(s):  SOLTANI HORMOZ, JAHEDI AZHANG, MALMIR A.
 
* 
 
Abstract: 

The effects of irrigation systems (sprinkler and furrow) on sap sucking pests (thrips, leafhopper, mite), black dot disease, as well as growth trend in potato cultivars (Agria, Marfona, Hertha, Cosmos and Picasso) were investigated. The experiment was carried out for 2 years and arranged in split plot design. Results on pests indicated that population densities of thrips, leafhopper, and mites in sprinkler irrigation treatment' were 12.5,60 and 100% lower than those in furrow irrigation respectively. Infection rate of black dot (in all potato cultivars) was higher in furrow system treatment, with the difference between furrow and the other system being significant at 1% level. Growth trend in potato cultivars indicated that sprinkler irrigation fresh weight of vegetative growth was more than that in furrow irrigation, but tuber weight, until 120 (DAP), in furrow irrigation was more than that in sprinkler irrigation. Analysis of combined data showed that, at the same harvest date, there was not any significant differences observed, in potato yields and secondary tuber growth, either among between cultivars or between the two irrigation system.

 
Keyword(s): SPRINKLER IRRIGATION, FURROW IRRIGATION, POTATO CULTIVARS, GROWTH TREND, SAP SUCKING PESTS, BLACK DOT DISEASE
 
References: 
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