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Obtaining New Potato Cultivars with Late Blight Resistance and Adapted to Climate Change Using Participatory Varietal Selection

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Journal of Agricultural Science and Technology(B) 2020年第1期10卷 17-27页

作者： Noemi Zúniga Manuel Gastelo Carolina Bastos jhercy reyes Edson Alania Evelin Ninalaya National Root and Tuberous Program National Institute of Agricultural InnovationHuancayo 1200Perú Genetics Genomic and Crop Improvement Science DivisionInternational Potato Center-CIPP.O.Box 1558Lima12Peru Faculty of Agricultural Sciences Professional Academic School of Agronomic EngineeringNational University Hermilio ValdizanHuánuco 10003Perú Agronomy Faculty National University of the Center of PeruHuancayo 12006Perú

The potato crop in Peru is the main income and food source for the smallholder of the highland grower of the Peruvian *** urban population,it represents one of the main components of the food basket and for commercial *** is the main brokerage product considering its volume and *** facilitate the adoption and diffusion of new potato cultivars after its release,adequate methodologies are necessary to apply during the process of evaluation and *** of these methodologies is called participatory varietal selection(PVS).The objective of this study was to identify new potato cultivars and/or genotypes with resistance or tolerance to adverse effects of climate change applying PVS,in order to obtain new varieties with acceptable economic *** this way potato growers of the Peruvian highland Andes should benefit through the improvement of their economic status,food security and overall life *** 2016-2017,three potato clones(CIP393079.4,CIP387096.2 and CIP396034.268)and two commercial varieties(Unica,Canchan)were evaluated at eight Peruvian locations in three regions(Huánuco,Junín and Huancavelica).Data were analyzed using a randomized complete block design,with three *** criteria for selection were late blight resistance,abundant foliage,drought tolerance,yield and uniform and healthy *** all three regions the three best clones selected were CIP396034.268,CIP393079.4 and CIP387096.2,ranking in first,second and third place,*** and women selected the same clones,but in a different *** cultivars ranked 4th and ***,local growers selected Canchan,CIP387096.2 and CIP393079.4 based on appearance,texture and taste *** last two clones(CIP387096.2 and CIP393079.4)should be considered for a future release.

关键词： Potato late blight resistance climate change participatory varietal selection

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