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Selection of ideal genotypes in peppers with ornamental potential

Gabriela Cristina Alves Custódio
Gabriela Cristina Alves Custódio
, 
Samy Pimenta
Samy Pimenta
, 
Fátima de Souza Gomes
Fátima de Souza Gomes
, 
Nadiany S. Silva
Nadiany S. Silva
, 
Bruno Rafael Alves Rodrigues
Bruno Rafael Alves Rodrigues
, 
Fabrícia Cardoso Oliveira
Fabrícia Cardoso Oliveira
, 
Nelson de Abreu Delvaux Júnior
Nelson de Abreu Delvaux Júnior
 und 
Marlon Cristian Toledo Pereira
Marlon Cristian Toledo Pereira
   | 31. Dez. 2023
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Article Category: ORIGINAL ARTICLE
Online veröffentlicht: 31. Dez. 2023
Seitenbereich: 467 - 478
Eingereicht: 21. Sept. 2023
Akzeptiert: 03. Nov. 2023
DOI: https://doi.org/10.2478/fhort-2023-0033
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© 2023 Gabriela Cristina Alves Custódio et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Figure 1.

Summary of percentages found for PIL of peppers (Capsicum annuum L.) considering the following qualitative descriptors: (A) APN; (B) APL; (C) CC. State University of Montes Claros, Janauba, MG, Brazil, 2023. APL, anthocyanin pigmentation in leaves; APN, Anthocyanin pigmentation at node height; CC, Corolla colour; PIL, Partially inbred lines.
Summary of percentages found for PIL of peppers (Capsicum annuum L.) considering the following qualitative descriptors: (A) APN; (B) APL; (C) CC. State University of Montes Claros, Janauba, MG, Brazil, 2023. APL, anthocyanin pigmentation in leaves; APN, Anthocyanin pigmentation at node height; CC, Corolla colour; PIL, Partially inbred lines.

Figure 2.

(A) Flower CC: white, violet, and Wvb, respectively; (B) FP in the plant architecture: upright and pendant, respectively; (C) FT: smooth, slightly wrinkled, and strongly wrinkled, respectively; (D) PLS: triangular, narrow-triangular, oval, and elliptical, respectively. State University of Montes Claros, Janauba, MG, Brazil, 2023. CC, corolla colour; FP, fruit position; FT, fruit surface texture; PLS, predominant shape of the longitudinal fruit section; Wvb, white with violet borders.
(A) Flower CC: white, violet, and Wvb, respectively; (B) FP in the plant architecture: upright and pendant, respectively; (C) FT: smooth, slightly wrinkled, and strongly wrinkled, respectively; (D) PLS: triangular, narrow-triangular, oval, and elliptical, respectively. State University of Montes Claros, Janauba, MG, Brazil, 2023. CC, corolla colour; FP, fruit position; FT, fruit surface texture; PLS, predominant shape of the longitudinal fruit section; Wvb, white with violet borders.

Figure 3.

Summary of percentages found for PIL of peppers (Capsicum annuum L.) considering the following qualitative descriptors: (A) FP in the plant architecture; (B) FT; (C) PLS; (D) PTS. State University of Montes Claros, Janauba, MG, Brazil, 2023. FP, fruit position; FT, fruit surface texture; PIL, partially inbred lines; PLS, predominant shape of the longitudinal fruit section; PTS, predominant shape of the transversal fruit section.
Summary of percentages found for PIL of peppers (Capsicum annuum L.) considering the following qualitative descriptors: (A) FP in the plant architecture; (B) FT; (C) PLS; (D) PTS. State University of Montes Claros, Janauba, MG, Brazil, 2023. FP, fruit position; FT, fruit surface texture; PIL, partially inbred lines; PLS, predominant shape of the longitudinal fruit section; PTS, predominant shape of the transversal fruit section.

Figure 4.

Summary of percentages found for 732 PIL of peppers (Capsicum annuum L.) considering the following qualitative descriptors: (A) fruit CBM; (B) fruit CIBM; (C) FCM; (D) FCIM. State University of Montes Claros, Janauba, MG, Brazil, 2023. CBM, colour before maturation; CIBM, colour intensity before maturation; FCIM, fruit colour intensity at maturation; FCM, fruit colour at maturation; PIL, partially inbred lines.
Summary of percentages found for 732 PIL of peppers (Capsicum annuum L.) considering the following qualitative descriptors: (A) fruit CBM; (B) fruit CIBM; (C) FCM; (D) FCIM. State University of Montes Claros, Janauba, MG, Brazil, 2023. CBM, colour before maturation; CIBM, colour intensity before maturation; FCIM, fruit colour intensity at maturation; FCM, fruit colour at maturation; PIL, partially inbred lines.

Figure 5.

(A) Fruit CBM: purple and white-greenish, respectively; (B) fruit CIBM; (C) FCM: orange, red, and wine, respectively; (D) FCIM. State University of Montes Claros, Janauba, MG, Brazil, 2023. CBM, colour before maturation; CIBM, colour intensity before maturation; FCM, fruit colour at maturation; FCIM, fruit colour intensity at maturation.
(A) Fruit CBM: purple and white-greenish, respectively; (B) fruit CIBM; (C) FCM: orange, red, and wine, respectively; (D) FCIM. State University of Montes Claros, Janauba, MG, Brazil, 2023. CBM, colour before maturation; CIBM, colour intensity before maturation; FCM, fruit colour at maturation; FCIM, fruit colour intensity at maturation.

Figure 6.

Frequency distribution within class intervals (early, medium, and late cycles) for the following qualitative descriptors: (A) CF; (B) CM. State University of Montes Claros, Janauba, MG, Brazil, 2023. CF, cycle to flowering; CM, cycle to maturation.
Frequency distribution within class intervals (early, medium, and late cycles) for the following qualitative descriptors: (A) CF; (B) CM. State University of Montes Claros, Janauba, MG, Brazil, 2023. CF, cycle to flowering; CM, cycle to maturation.

Figure 7.

Graph distribution of ideal genotypes selected according to the following patterns: ideal genotype I, ideal genotype II, and ideal genotype III. State University of Montes Claros, Janauba, MG, Brazil, 2023.
Graph distribution of ideal genotypes selected according to the following patterns: ideal genotype I, ideal genotype II, and ideal genotype III. State University of Montes Claros, Janauba, MG, Brazil, 2023.

Description of ideal genotype patterns for the F5 population of peppers with ornamental potential, considering qualitative descriptors. State University of Montes Claros, Janauba, MG, Brazil, 2023.

Ideal genotype APN APL CC CBM FP PLS FCM FCIM
I Present Present Violet or Wvb Purple Upright or pendant Independent Orange Independent
II Present Present Violet or Wvb Purple Upright or pendant Narrow-triangular or triangular Red Dark
III Independent Independent Violet or Wvb Purple Upright Independent Wine Independent

Components of variance, genetic parameters, and ANADEV estimated in PIL for quantitative descriptors in an F5 population of pepper plants (Capsicum annuum L.) State University of Montes Claros, Janauba, MG, Brazil, 2023.

Parameters PIL (F5 population)
PH NFP MFW MFL MFD
σ2a 8.43 5.45 0.17 17.32 1.36
σ2e 11.65 49.83 0.27 32.77 1.98
σ2p 20.08 55.29 0.44 50.09 3.34
h2a 0.41 0.09 0.38 0.34 0.40
Acprog 0.64 0.51 0.62 0.58 0.63
CVgi% 11.17 16.30 18.63 12.62 10.64
CVe% 13.14 49.28 23.48 17.36 12.83
Overall mean 25.97 14.32 2.22 32.97 10.97
LRT 68.7** 13.14** 57.26** 42.44** 64.6**

Breeding program phases, using the SSD method, for peppers with ornamental potential from the BAG of the State University of Montes Claros, Janauba, MG, Brazil, 2023.

Phases Activities Periods
I Crossing of parents and obtaining the F1 population 2nd half of 2019
II Growth of the F1 population and obtaining the F2 population 1st half of 2020
III Growth of the F2 population and obtaining the F3 population 2nd half of 2020
IV Growth of the F3 population and obtaining the F4 population 1st half of 2021
V Growth of the F4 population and obtaining the F5 population 2nd half of 2021
VI Growth of the F5 pop. and selection of PIL for F5:6 generation 1st half of 2022
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