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In breeding for drought tolerance, availability of precise, cheap and easy to apply selection tool is critical. The aim of the present study was to identify potential screening tools that are useful for selection of drought tolerant genotypes in potato and select drought resistant potato genotype...
Potato, one of the most important staple crops, originates from the highlands of the equatorial Andes. There, potatoes propagate vegetatively via tubers under short days, constant throughout the year. After their introduction to Europe in the sixteenth century, potatoes adapted to a shorter growi...
The complete bipartite genome (RNA1 and RNA2) of a new nepovirus infecting potato was obtained using small RNA sequencing and assembly complemented by Sanger sequencing. Each RNA encodes a single polyprotein, flanked by 5’ and 3’ untranslate regions (UTR) and followed by a poly (A) tail. The puta...
Potato variety KT1 was selected from 27 introduced potato varieties from CIP in 2005. It had medium growth duration of 85 - 90 days. The average stem height of KT1 is about 60 - 70 cm, number of tubers/plant is from 6 - 10 tubers, yield from 20 - 25 tons/ha. KT1 potato variety is resistant to vir...
The need for broadening a crop’s genetic base may be determined by comparing allele frequencies within the gene pools of farmer selections in their centers of diversity with that of modern breeding populations. The genetic structure of Andean and Chilean potato farmer selections was investigated ...
Plant breeders need to quantify additive and non-additive components of genetic variance in order to determine appropriate selection methods to improve quantitative characteristics. Hierarchical and factorial mating designs (also known as North Carolina mating designs I and II, respectively) allo...
An extensively distributed root system may reduce the probability of crop failure during periods of restricted water supply . A quantitative measure of root distribution in the soil profile, i .e . pulling resistance of roots (PR), was tested at two moderately droughted tropical field sites . A t...
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