Genetic Diversity Analysis among Capsicum annuum Mutants Based on Morpho-Physiological and Yield Traits

Karim, K. M. Rezaul; Rafii, Mohd Y.; Ismail, Mohd Khairi; Harun, Abdul Rahim; Ridzuan, Raihana; Chowdhury, Mst. Farhana Nazneen; Hosen, Monir; Oladosu, Yusuff; Rafii, M. Y.

doi:10.3390/agronomy12102436

Cited by 6 publications

(7 citation statements)

References 17 publications

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“…Mardi et al (2022) also reported that transgressive segregants were the genotypes with a higher mean value than check genotypes, and the level of diversity was lower or equal to pure lines. Several studies have also carried out transgressive segregation estimations, including on wheat (Al-Bakry, 2021), mung bean (Jambormias et al, 2015;Maulida et al, 2022), sorghum (Munarti et al, 2022), and chili (Karim et al, 2022).…”

Section: Discussionmentioning

confidence: 99%

Transgressive Segregant of Tomato F4 Populations Based on Fruit Yield and Lycopene Content

FARID

2024

SABRAOJBG

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Lycopene is an essential antioxidant found in tomatoes (Solanum lycopersicum L.) that can inhibit and prevent cell damage in the body. Thus, enhancing lycopene content is one of the crucial objectives in tomato breeding. Efforts should focus on assembling the tomato with high fruit yield and good quality by conducting transgressive segregant selection through plant breeding programs. The study aimed to select tomato lines with the potential for transgressive segregation based on high fruit yield and lycopene content. The research began in an augmented design combined with factors comprising 54 non-repeated tomato lines, compared with four repeated standard cultivars (Mawar, Chung, Karina, and Tymoti). The tomato lines' planting into seven blocks had no repeats, while the check cultivars for comparison engaged in repeated planting in each block. The observations underwent the analysis of variance (ANOVA), path analysis, correlation, heritability (narrow sense), and transgressive segregants. Based on transgressive segregation, the high-yielding tomato lines selected bore analysis for lycopene content. Based on the plant height and productive bunches per plant (directly supporting the fruit yield), the 14 promising transgressive segregant families' selection comprised 10 MC crosses,

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Section: Discussionmentioning

confidence: 99%

Transgressive Segregant of Tomato F4 Populations Based on Fruit Yield and Lycopene Content

FARID

2024

SABRAOJBG

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“…The PCA results in the present study showed majority of the variability was explained by the first four principal components, which was similar to the reports of Sarmah, Sarma & Gogoi (2018) for different chili varieties of Assam. In a recent study on C. annum , it was observed that the percentage contribution by the first two principal component was 28% and 19% respectively ( Karim et al, 2022 ). In this respect, the current study showed high percentage contribution from the first two components, together accounting for 51.39%.…”

Section: Discussionmentioning

confidence: 99%

“…It may be due to the lack of superior varieties available in the public domain or the use of low-quality capsaicin content lines for cultivation. To overcome this, information on morphological characteristics, evaluation of a large number of germplasm, diversity study and creation of gene bank is pre-requisite, allowing the exploration of genetic variability efficiently ( Santos-Pessoa et al, 2018 ; Karim et al, 2022 ). Heritability criteria determine the extent to which it is transmissible from parents to offspring and is mostly preferred when used in association with other parameters ( Afiah, Mohammad & Saleem, 2000 ; Munda, Dutta & Lal, 2021 ; Begum et al, 2022 ).…”

Section: Introductionmentioning

confidence: 99%

“…Path coefficient analysis helps in identifying useful traits associated with yield based on the direct and indirect effect of the traits on economical traits ( Seyoum, Alamerew & Bantte, 2012 ; Pandey et al, 2022 ). Also, to select suitable advanced cultivars within a short period of time, the information on all the genetic parameters will be very much helpful for the breeder ( Dutta et al, 2017 ; Karim et al, 2022 ). The variability present in the germplasm is used for effective selection of diverge parents, which in turn would be helpful to obtain hybrids with greater heterotic effect ( Correa & Gonçalves, 2012 ).…”

Section: Introductionmentioning

confidence: 99%

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Estimation of genetic variation in yield, its contributing characters and capsaicin content of Capsicum chinense Jacq. (ghost pepper) germplasm from Northeast India

Baruah

Munda

Sarma

et al. 2023

PeerJ

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Capsicum chinense Jacq. (ghost pepper), a naturally occurring chili species of Northeast India is known throughout the world for its high pungency and a pleasant aroma. The economic importance is due to the high capsaicinoid levels, the main source for pharmaceutical industries. The present study focused on identifying important traits necessary for increasing the yield and pungency of ghost pepper and to determine the parameters for the selection of superior genotypes. A total of 120 genotypes with more than 1.2% capsaicin content (>1,92,000 Scoville Heat Unit, w/w on dry weight basis) collected from different northeast Indian regions were subjected to variability, divergence and correlation studies. Levene’s homogeneity test of variance studied for three environments did not show significant deviation and so homogeneity of variance was reasonably met for analysis of variance study. Genotypic and phenotypic coefficient of variation was highest for fruit yield per plant (33.702, 36.200, respectively), followed by number of fruits per plant (29.583, 33.014, respectively) and capsaicin content (25.283, 26.362, respectively). The trait number of fruits per plant had maximum direct contribution to fruit yield per plant and the trait fruit yield per plant towards capsaicin content in the correlation study. High heritability with high genetic advance, which is the most favored selection criteria was observed for fruit yield per plant, number of fruits per plant, capsaicin content, fruit length and fruit girth. The genetic divergence study partitioned the genotypes into 20 clusters, where fruit yield per plant contributed maximum towards total divergence. Principal components analysis (PCA) studied to determine the largest contributor of variation showed 73.48% of the total variability, of which the PC1 and PC2 contributed 34.59% and 16.81% respectively.

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“…Among the evaluated genotypes, genotype 2 recorded the highest fruit yield per plant whereas genotype 13 recorded the highest green fruit weight (Table 1). Overall, these findings recommended that prior evaluation of mutant parental lines is very helpful for breeders to select the best performing parents for successful execution of their future breeding programmes [11].…”

Section: Fruit Yield Of Chillimentioning

confidence: 98%

Recent Advances in Crop Improvement of Chilli (Capsicum annuum L.) for High Fruit Yield and Quality

Komala¹,

Lakshmi²,

Madhavi³

2023

JEAI

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Capsicum annuum L. is an indispensable spice cum vegetable crop cultivated worldwide for its edible fruit. The current research is majorly focused on the development of improved chilli varieties to achieve high fruit yield and quality to meet the rapidly growing market demands. Therefore, the screening of the chilli landraces and local cultivars for the genetic variation would provide best parents for the chilli crop improvement. Most of the recent chilli breeding programmes involve the assessment of genetic variation among the genotypes by the estimation of important genetic variation parameters such as phenotypic and genotypic coefficients of variation, heritability and genetic advance, gene flow, and cluster analysis. Correlation and path coefficient analysis was also applied to evaluate the progeny to understand the association between desired traits. The popular DNA-based molecular marker system, simple sequence repeat, is predominantly applied to understand the genetic variation as well as to select the desired progeny. In this current review, we discussed such recent research reports on chilli crop improvement for high fruit yield and quality, highlighted the recent major achievements and provided the important information for the chilli breeders. We hope this current review would shed light on recent developments in chilli crop improvement and help chilli breeders for their future breeding programmes.

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Genetic Diversity Analysis among Capsicum annuum Mutants Based on Morpho-Physiological and Yield Traits

Cited by 6 publications

References 17 publications

Transgressive Segregant of Tomato F4 Populations Based on Fruit Yield and Lycopene Content

Transgressive Segregant of Tomato F4 Populations Based on Fruit Yield and Lycopene Content

Estimation of genetic variation in yield, its contributing characters and capsaicin content of Capsicum chinense Jacq. (ghost pepper) germplasm from Northeast India

Recent Advances in Crop Improvement of Chilli (Capsicum annuum L.) for High Fruit Yield and Quality

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