Guanay-1, Guanay-2 and Guanay-3: new varieties of soursop for Nayarit
DOI:
https://doi.org/10.29312/remexca.v14i4.3098Keywords:
Annona muricata L., morphology, selection, varietiesAbstract
In Nayarit, soursop is propagated sexually, so its fruits have a variable morphology, shape and size, this has allowed the selection and evaluation of materials that have advantages compared to other genotypes of the same species and that contribute to genetic improvement. Its fruits are rich in fiber, minerals and bioactive compounds. The objective of this contribution is to disseminate the morphological and physicochemical characteristics of three new varieties of soursop Guanay-1, Guanay-2 and Guanay-3. The study was conducted in 2016-2018, trees that were ungrafted, vigorous and free of pests and diseases (19 years old) were selected, morphological and physicochemical characteristics of fruits at maturity of consumption were evaluated. The fruits of Guanay-1: were heart-shaped, length of 17.09 cm, average weight of 1 438.79 g and 86 seeds on average, the stylar protuberances measured 0.5 mm in length; in Guanay-2: the shape of the fruit was irregular, length of 25.31 cm, average weight of 1 948.1 g and 166 seeds, the stylar protuberances measured 2.05 mm in length; in Guanay-3: the shape of the fruit was conical, with length of 21.17 cm, average weight of 902.27 g and 231 seeds, stylar protuberances of 7.56 mm in length. The firmness and titratable acidity of Guanay-1 was 24.6 N and 0.6% respectively, Guanay-2 and Guanay-3 registered a firmness of 8 N and acidity of 0.9%. In conclusion, morphological characteristics were the basis for the selection and registration of these varieties that contribute to the technological development of soursop cultivation in Nayarit.
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