Genetic evaluation of seed traits from intraspecific crossing of genetically distinct watermelon varieties

Adjoumani, Koffi; Bony, Sylvie; Koffi, Guillaume K.; Kouonon, Léonie Clémence; Brou, F.K.; Sie, Raoul SylvÃ ̈re

doi:10.4314/acsj.v24i2.3

Cited by 3 publications

(3 citation statements)

References 9 publications

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“…2) were calculated and showed mutual agreement, indicating the existence of incomplete dominance for seed size in the studied populations. Adjoumani et al (2016), when studying the genetics of seed traits resulting from the intraspecific crossing of distinct watermelon varieties, obtained the same results. In both studies, these results reinforce the efficiency of genotype selection of individuals of interest based on the phenotype.…”

Section: Resultsmentioning

confidence: 52%

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Inheritance of seed size in watermelon populations

Nascimento¹,

Souza²,

Dias³

et al. 2020

Rev. Colomb. Cienc. Hortic.

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Seed size is an important agronomic trait and is applicable to different abilities. Small seeds guarantee the greater use of the pulp, while larger seeds facilitate sowing. However, there is little work on the genetic control of this characteristic in watermelon. The objective of this work was to study the seed size inheritance in watermelon populations by crossing contrasting genotypes, seeking to gain information to provide technical support during the selection of seed size for the development of new watermelon genotypes. The seed lengths of six populations, P1, P2, F1, F2, BC1 and BC2, were measured using the GENES software segregating and nonsegregating generations procedure. This trait is controlled by two genes with incomplete dominance. In addition, depending on the populations studied, inheritance for the characteristic in question may behave differently. Nevertheless, the selection of superior individuals within populations can be performed based on this phenotype, which allows the exploitation of these individuals within breeding programs to develop lines or hybrids.

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Section: Resultsmentioning

confidence: 52%

“…However, Adjoumani et al (2016), when studying the genetics of seed traits resulting from the intraspecific crossbreeding of distinct watermelon varieties, observed that the effects of genes for the characteristic in question showed dominant allelic interactions.…”

Section: Resultsmentioning

confidence: 99%

Inheritance of seed size in watermelon populations

Nascimento¹,

Souza²,

Dias³

et al. 2020

Rev. Colomb. Cienc. Hortic.

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“…Characters with moderate heritability values were flowering date, harvesting date, and fruit weight. Characters with high heritability values imply that genetic influences are greater than environmental in determining character variance between genotypes (Ayaineh et al 2012;Adjoumani et al 2016;Anburani et al 2019;Badami et al 2020). Selection of these characters has a high chance of genetic advance because genetic factors strongly control the observed characters so that they will be passed on to their offsprings (Ullah et al 2012) and selection of characters that have high heritability values can be done in the early generations (Hakim and Suyamto 2017).…”

Section: Genetic Parameter Analysismentioning

confidence: 99%

Phenotypic and genetic diversity of watermelon (Citrullus lanatus) in East Java, Indonesia

et al. 2021

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Abstract. Amzeri A, Badami K, Pawana G, Alfiyan Syah M, Daryono BS. 2021. Phenotypic and genetic diversity of watermelon (Citrullus lanatus) in East Java, Indonesia. Biodiversitas 22: 5223-5230. The assembly of hybrid watermelon (Citrullus lanatus Thumb.) varieties with superior characters is an effort to meet the needs of watermelon seeds in Indonesia and reduce dependence on imports of watermelon seeds. The morphological characterization of exploratory watermelon plants is needed to support the assembly of superior varieties because morphological characterization will reveal the characteristics of each watermelon tested. In addition, the genetic and phenotypic diversity coefficients, heritability, and correlation between characters are needed to support the assembling of the desired variety. This research aimed to determine morphological diversity, genetic and phenotypic diversity coefficients, heritability, and correlation among characters of watermelon from East Java, Indonesia. The research used a randomized complete block design with ten genotypes as treatment and three replications,. The observed morphological characters were quantitative and qualitative characters. The number of characters was 60 characters. Eight quantitative characters, i.e., flowering date, harvesting date, fruit length, fruit diameter, skin thickness, fruit total soluble solids, number of seeds, and fruit weight were used to calculate the genetic and phenotypic diversity coefficient, heritability, and correlation between characters. Quantitative character data were subjected to analysis of variance, followed with a Duncan Multiple Range Test (p<0.05). The results showed that (i) Grouping based on morphological characters produces dendrograms with similarity coefficients ranging from 0.58 to 0.86 or there was a morphological diversity of 0.14 to 0.42, (ii) The phenotypic diversity coefficient (PDC) was greater than the genotypic diversity coefficient (PDC) in all observed quantitative characters, (iii) The broad sense Heritability values ?? of the tested watermelon genotypes ranged from 0.33 to 0.99, (iv) Fruit weight was significantly and positively correlated with fruit diameter, skin thickness, and number of seeds, (v) G1, G2, and G6 were the genotypes that can be used as parents to assemble superior watermelon varieties.

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Diallel analysis in Citrullus mucosospermus (Fursa) for fruit traits

Brou¹,

Sie²,

Adjoumani³

et al. 2018

Afr. J. Agric. Res.

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For the estimation of genetic parameters (such as heterosis effect, potence ratio, combining ability and reciprocal effects) of five fruit traits, in order to suggest breeding strategies in Citrullus mucosospermus (Fursa), a field trial was carried out at Kononfla city in Western Côte d'Ivoire using 4x4 full diallel. All 12 F 1 hybrids and their parents were planted in a randomized complete block design with three replications. A positive heterosis effect relative to mid-parental values was observed to hybrids having one parent Bebu for characters' fruit weight, fruit diameter and fruit volume. Variances due to general (GCA) and specific (SCA) combining abilities were significant (P˂0.001) for all studied traits, indicating the involvement of both additive and non-additive gene actions in the inheritance of these traits. Non-additive gene effects were predominant for all studied traits. Bebu was the best general combiner for all traits except fruit number which the best combiners were three morphotypes of Wss. For NF, Wss1×Wss2 and Wss2×Wss3 recorded the highest positive SCA values. Crosses involving Bebu as one parent, presented the best SCA values for other traits.

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Genetic evaluation of seed traits from intraspecific crossing of genetically distinct watermelon varieties

Cited by 3 publications

References 9 publications

Inheritance of seed size in watermelon populations

Inheritance of seed size in watermelon populations

Phenotypic and genetic diversity of watermelon (Citrullus lanatus) in East Java, Indonesia

Diallel analysis in Citrullus mucosospermus (Fursa) for fruit traits

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