Quinba R-TC: new variety of Jamaica creole type of high yield
DOI:
https://doi.org/10.29312/remexca.v11i5.1044Keywords:
Hibiscus sabdariffa L., calyx size, improved genotypeAbstract
Jamaican growers sow creole genotypes that are harvested in December with low yields averaging 250 to 300 kg ha-1 in association with corn and 500 to 600 kg ha-1 in a single crop. With the purpose of expanding the supply of genotypes, increasing yields and reducing imports, the improved Quinba R-TC variety is offered, which preserves the color, flavor and flowering date of the regional creole and the size of the calyx was improved, therefore it is an option to increase the yields and profitability of this crop in almost 20 thousand hectares that are planted nationwide. Quinba R-TC, is the product of the cross between plants of Jamaica type Sudan (JTS) collected and selected in 2008 from a lot established in the jamaica producing area of the State of Guerrero and plants from the Tecoanapa variety known as regional creole (CR). With F2, individual selection was started, purifying in each cycle. The purified line was obtained in F7 and in 2013 its evaluation and
characterization began. The basic selection descriptors were: uniformity of the plant, size and intense red color of the calyx and yield, the result was a plant with seven days earlier, those with calyxes similar in color to the regional creole and with 70% larger and of minimal pubescence. The average yields were 80% higher than the reference variety; therefore, it is possible to increase production from 4 500 to 8 000 t year -1.
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