Integrated application of resistant catch crops and rotation with Non- host crops in infected fields to Heterodera schachtii on quantity and quality of sugar beet in Semirom-Esfahan

Document Type : Scientific - Research

Authors

Esfahan Agriculture and Natural Resources Research Center, Esfahan, Iran.

Abstract

In order to study the possibility of control of Heterodera schachtii  in sugarbeet fields through integration of rotation with non- host crops and resistant catch crops and their effects on quantitative and qualitative traits of sugarbeet, this study was started from 2002 for three years in Esfahan province. The experiments were carried out in a randomized complete block design with eight treatments that consists of applying non host field crops, resistant catch crops, fallow and sugar beet (control) in four replications in an infected field that sugar beet cultivated continuously in recent years in Semirom region. After harvesting of sugar beet in 2004, quantitative and qualitative traits of sugar beet in different treatments were determined. The results showed that mixture of corn and S. alba cv. Sirola treatment had the most effect on decreasing the percentage of final population of eggs and second stage juveniles in comparison with initial population (89.2% decrease) and also the highest yield of root yield(RY), sugar yield(SY) and white sugar yield (WSY) in 2004, belonging to this treatment (with 30, 5.69 and 5.09 Tons/ha) respectively and Sugar beet treatment (control) had the most increase percentage of final population and the final population of it reached, up to sevenfold of initial population and also the lowest yield of RY, SY and WSY in 2004 belonging to this treatment, with 12.81, 2.22 and 1.87 Tons/ha, respectively.

Keywords

Journal of Sugar Beet
Volume 22, Issue 1 - Serial Number 1
September 2006
Pages 73-59

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