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The advantage of Decision Support System for managing spring barley disease in Estonia

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dc.contributor.authorSooväli, Pille
dc.contributor.authorKoppel, Mati
dc.contributor.authorLauringson, Enn
dc.contributor.authorTalgre, Liina
dc.date.accessioned2017-08-08T10:40:46Z
dc.date.available2017-08-08T10:40:46Z
dc.date.issued2017
dc.descriptionArticleeng
dc.description.abstractA Decision Support System (DSS) I - Taimekaitse focusing on use of timely applied and reduced fungicide rates in control of cereal diseases has been tested in field trials since 2003 . We compared the conventional treatment and the DSS - based spray practices in 18 field trials in five agricultural locations over 7 - year period. Efficacy of the control of net blotch caused by Pyrenophora teres (Drechsler, am Drechlera teres Sacc. Shoem), the main fungal disease in spring barley has been tested to determine the economic advantage of DSS use. Compared with the conventional spray practices, the advantage I - Taimekaitse resulted in reduction of application doses by 30 to 60% of the registered rate. According to I - Taimekaitse , the fungicides were applied mainly between heading and flowering growth stages (GS 55 – 65), whereas traditional routine spraying is commonly made at booting (GS 37 – 49) . The experiment clarifies the cost - benefit of using DSS - based approach in barley disease management with average yield increase above the control in 12.8% and above the conventional treatment in 14.1%. I - Taimekaitse gave competitive disease control and average yield output reduction compared with conventional practice by 9%. In general the Treatment Frequency Index applied in conventional treatment was 0.65 and in DSS 0.41. Although the cost of treatment expense in DSS was 20% less compared with conv entional practice, the performance of conventional used spray practices was outstanding in economic return.eng
dc.identifier.issn1406-894X
dc.identifier.publicationAgronomy Research, 2017, vol. 15, no. 5, pp. 2134-2143eng
dc.identifier.urihttp://hdl.handle.net/10492/3665
dc.identifier.urihttp://dx.doi.org/10.15159/ar.17.052
dc.rights.holderCopyright 2009 by Estonian University of Life Sciences, Latvia University of Agriculture, Aleksandras Stulginskis University, Lithuanian Research Centre for Agriculture and Forestry. No part of this publication may be reproduced or transmitted in any form, or by any means, electronic or mechanical, incl. photocopying, electronic recording, or otherwise without the prior written permission from the Estonian University of Life Sciences, Latvia University of Agriculture, Aleksandras Stulginskis University, Lithuanian Research Centre for Agriculture and Forestry.eng
dc.subjectdecision support systemeng
dc.subjecteconomic returneng
dc.subjectfungicideeng
dc.subjectnet blotcheng
dc.subjectspring barleyeng
dc.subjectarticleseng
dc.titleThe advantage of Decision Support System for managing spring barley disease in Estoniaeng
dc.typeArticleeng

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2017, Vol. 15, No. 5