Assessment of Genetic Parameters for Vitamin A, Vitamin C, and TSS Content Results in Melon Line Crosses at Five Maturity Stages
Open Access
- 16 September 2022
- journal article
- research article
- Published by Hindawi Limited in International Journal of Agronomy
- Vol. 2022, 1-10
- https://doi.org/10.1155/2022/3661952
Abstract
Assessment of Genetic Parameters for Vitamin A, Vitamin C, and TSS Content Results in Melon Line Crosses at Five Maturity Stages: Melon breeding is directed at improving the quality of the fruit needed to meet consumers demands. The assessment of hybrid melon candidates on important characteristics (vitamin A, vitamin C, and TSS) at five maturity stages is needed to get hybrid melon varieties with good fruit quality and determine the right harvest time. This study aimed to evaluate the genetic parameters of vitamin A, vitamin C, and TSS contents of D-612PK-669 and PK-361PK-165 crossings at five stages of maturity. The study used a randomized complete block design (RCBD) with eight genotypes as treatment and three replications, so there were 24 experimental units. The eight melon genotypes were G1=D-612PK-669, G2=PK-669D-612, G3=D-612, G4=PK-669, G5=PK-361PK-165, G6=PK-165PK-361, G7=PK-361, and G8=PK-165. The content of vitamin A, vitamin C, and TSS was observed at five maturity stages, namely, at 55 DAP, 60 DAP, 65 DAP, 70 DAP, and 75 DAP. The right harvest time for the eight genotypes tested was maturity stage 4 (70 DAP) because it had the highest vitamin A, vitamin C, and TSS contents compared to other maturity stages. The inheritance of vitamin A and C content was not affected by the maternal effect, while TSS was influenced by the maternal effect. The vitamin A, vitamin C, and TSS content characteristics had higher phenotypic diversity coefficients than genetic diversity coefficients, while heritability values in the broad sense for the three melon genotypic characteristics ranged from 0.613 to 0.968. Crosses of PK-165PK-361 can be used to assemble hybrid melon varieties that have high vitamin A, vitamin C, and TSS contents because they have positive values for heterosis and heterobeltiosis for the three characteristics.Keywords
Funding Information
- University of Trunojoyo, Madura (3137/UN46.4.1/PT.01.03/2021)
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