Evaluation of potato clones for agronomic and processing traits in conventional and organic crop systems

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Abstract
This work aimed to evaluate the performance of potato genotypes for tuber yield, processing quality traits, and plant vigor, under conventional and organic crop systems. The experiments in conventional system were carried out during the springs of 2018 and 2019 in Canoinhas-SC, while both conventional and organic crop systems were performed in 2020‘s winter in Brasília-DF, Brazil. Fourteen advanced clones, five of them selected in organic system (OS), and check cultivars Atlantic (chipping), Markies, and Asterix (french fry) were evaluated. A randomized complete block design with four replications was used. Clones F63-10-13A and EP121 performed well for tuber yield in all experiments. F129-12-08 presented a good frying quality, and F63-12-04 had a tuber yield and frying quality similar to ‘Asterix‘. OD38-06 had a tuber yield similar to ‘Asterix‘ and ‘Markies‘, and frying quality similar to ‘Markies‘. In general, the clones developed in the OS had better performance in that system, however some of them also performed well in the conventional system, while some developed in conventional system also performed well in the OS, such as F63-10-13A.

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