Studies on genetic divergence (D2) for fruit yield and its contributing traits in okra [Abelmoschus esculentus L. Moench]

Kumar, Yogesh; Singh, VB; Verma, AK; Bhaiya, Raja; Verma, P. S.

doi:10.22271/chemi.2020.v8.i6h.10834

Cited by 2 publications

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“…Native to Africa it contains carbohydrates, protein, fiber, minerals and vitamins (Sabitha et al, 2012) and is now widely grown in Southern Europe, Middle East Asia. India has a total area of 10,436 with a productivity of 17.96 tons/hectare (Kumar et al, 2020). Its short lifecycle, fast growth period and photo-insensitive nature allow geneticists and breeders to grow two or three crops annually and shorten the time it takes to develop a genetic trait.…”

Section: Introductionmentioning

confidence: 99%

Study of Genotypic and Phenotypic Variation in F2 Segregating Generation of Okra [Abelmoschus esculentus (L.) Moench]

Shiri,

Gaurav,

Singh

et al. 2024

ASD

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Background: Hybrid breeding in Okra [Abelmoschus esculentus (L.) Moench] is important to improve productivity of this crop. Given that a breeder’s primary goal is production, it’s critical to understand the connections between the traits that have a direct and indirect impact on yield. Methods: 45 hybrids generated by crossing 10 diverse parents in structured mating design were evaluated to estimate the magnitude of their genetic variability and heritability in F2s. Mean performance across three replications were calculated for 21 traits and is assessed for their effect on yield. The recorded data were statistically analyzed at 5% level of significance by multivariate analysis using principal component and hierarchical cluster. Result: For all of the analyzed traits, the analysis of variance revealed a highly significant difference between population. A greater difference between PCV and GCV estimates for days to anthesis, days to 50% flowering and days to first picking indicates a greater degree of environmental control for these traits. Traits such as days to anthesis, days to 50% flowering and days to first picking shows low to moderate heritability. These findings show that there is enough genetic diversity in these parameters to support selection of better accessions. Using cluster analysis and principal component analysis (PCA), crosses were divided into groups based on their performance and the identification of the most discriminating attribute that accounted for the greatest variability. It revealed that yield per plant is highly associated with days to first picking, days to 50% flowering, days to anthesis, plant height and shoot length. Further, principal component shows 1000-seed weight and germination percentage followed by days to 50% flowering as the most discriminating trait. Hence, selection for any trait would favor future hybrids breeding programmes.

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Section: Introductionmentioning

confidence: 99%

Study of Genotypic and Phenotypic Variation in F2 Segregating Generation of Okra [Abelmoschus esculentus (L.) Moench]

Shiri,

Gaurav,

Singh

et al. 2024

ASD

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“…Vegetables are important components of Indian agriculture and food security because of their short growing season, higher fruit yield, nutrient content, commercial viability and potential to generate on-and off-farm employment (Kumar, 2020). Okra, or Bhendi [Abelmoschus esculentus (L.) Moench], is India's most important-vegetable and frequently utilised crop in the Malvaceae family (Mohammed et al, 2022;Reddy et al, 2016).…”

Section: Introductionmentioning

confidence: 99%

Qualitative and Phenotyping Characterization among Okra [Abelmoschus esculentus (L.) Moench] Genotypes

Reddy¹,

Anbanandan²,

Kumar³

et al. 2023

IJARe

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Background: In contrast to field crops, quality is often more essential than yield in vegetable crops. As a result, this research began with the objective of assessing the diversity and novelty of okra genotypes. Methods: A field investigation was carried out at Sivapuri Village, Chidambaram, Cuddalore District, Tamil Nadu, India, in the summer of 2020-2021. To match with distinctiveness, uniformity and stability, qualitative data for 18 characters were collected based on vegetative and reproductive characters. Result: Results obtained in this study revealed a high level of variability among the genotypes for the majority of the qualitative traits, except for plant growth habit, branching position, leaf blade colour between veins, fruit type and seed size. The fruit-related characters exhibited a large diversity in the genotypes studied. Mature fruit colour was obtained with 8.3% of yellowish green, 23.3% of green and 68.4% of dark green fruits recorded for genotypes. Based on genetic variation, the ultimate objective of vegetable breeding programmes is to generate new varieties exhibiting elite combinations of many desired qualitative attributes in okra using traditional breeding procedures.

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Studies on genetic divergence (D2) for fruit yield and its contributing traits in okra [Abelmoschus esculentus L. Moench]

Abstract: The present investigation entitled "Studies on genetic divergence (D 2 ) for fruit yield and its contributing traits in okra [Abelmoschus esculentus L. Moench]", was conducted during Kharif 2019. The experiment comprised of thirty genotypes at Main Experimental Station,

Cited by 2 publications

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Study of Genotypic and Phenotypic Variation in F2 Segregating Generation of Okra [Abelmoschus esculentus (L.) Moench]

Study of Genotypic and Phenotypic Variation in F2 Segregating Generation of Okra [Abelmoschus esculentus (L.) Moench]

Qualitative and Phenotyping Characterization among Okra [Abelmoschus esculentus (L.) Moench] Genotypes

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