Productivity of two Mexican potato genotypes in perlite and aggregates in hydroponics and greenhouse
DOI:
https://doi.org/10.29312/remexca.v10i8.1936Keywords:
aggregates, perlite, prebasic seed II, tuberAbstract
In order to determine the productive response of two Mexican potato genotypes in two substrates in the hydroponic cultivation system, three experiments were established with horticultural grade perlite and with the mixture of perlite with peat 1:1 v/v (aggregates), by what experiments were established in the autumn 2015, spring 2016 and summer 2016 cycles. With perlite, the Citlali variety and clone 99-39, produced on average 15.92 and 34.25 tubers per plant, respectively; in aggregates they produced 11.92 and 15.42 tubers per plant, respectively. Genotype 99-39 exceeded Citlali by up to 10.9 tubers per plant on average of the three crop cycles and produced 2.2 times more tubers in autumn than in spring, as well as 2.9 more tubers in autumn than in summer. Citlali produced 3.6 times more tubers in autumn than in summer and five times more in autumn than in spring. The most efficient substrate was horticultural grade perlite, clone 99-39 was more productive than the Citlali variety, the production of tubers in both genotypes was closely affected by the season of the year and the results will allow decisions on the management of the production of prebasic seed II in both genotypes.
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