Sour passion fruit hybrids with a low photoperiod and temperature requirement for genetic improvement in higher-latitude regions

Cordeiro, Maria Helena Menezes; Rosado, Renato Domiciano Silva; Souto, Antônio Gustavo de Luna; Cremasco, João Paulo Gava; Santos, Carlos Eduardo Magalhães dos; Bruckner, Cláudio Horst

doi:10.1016/j.scienta.2019.01.032

Cited by 9 publications

(5 citation statements)

References 12 publications

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“…Better results were observed at altitudes (104 m), especially for the hybrid SC. This hybrid did not flower under short photoperiod and low temperature conditions when studied by Cordeiro et al (2019) because low temperatures are observed at high altitudes. In this study, seed quality of the hybrids was different at each altitude, which may be related to the segregation of these hybrids in the…”

Section: Discussionmentioning

confidence: 97%

“…The estimation of genetic parameters allows the identification of genetic variability and helps in understanding the contribution of genetic and environmental (or experimental) factors to the phenotype (Cruz et al, 2011). Heritability, together with the genotypic determination coefficient, determines the amount of phenotypic variation that can be attributed to genetic factors (Cordeiro et al, 2019) characters with higher heritability are less influenced by the environment. The Singh (1981) method, based on the Mahalanobis distance, considers the characters capable of expressing the highest percentage of variability to be of greater importance.…”

Section: Discussionmentioning

confidence: 99%

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Multivariate analysis of agronomic, physicochemical, and physiological characters of passion fruit hybrids cultivated at different environments

Maciel,

Lima,

Mengarda

et al. 2023

Braz. J. Biol.

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Simultaneous analysis studies of several agronomic traits in cultivated plants make it possible to identify phenotypic and genotypic differences due to environmental variations, such as altitude. Therefore, the objective was to evaluate, through multivariate analysis of agronomic, physicochemical and physiological characters, passion fruit hybrids cultivated in different environments. The hybrids used were Gigante Amarelo, Rubi do Cerrado and Sol do Cerrado, cultivated in the southern region of Espírito Santo in four municipalities/environments: Marataízes (41 m), Jerônimo Monteiro (104 m), Alegre (711 m), and Ibitirama (1016 m). The agronomic characters of the plants, the physical-chemical characteristics of the fruits and the physical, biochemical and physiological qualities of the seeds were analyzed. The Singh method was used to determine the most important differentiating characters between hybrids growing in different environments. Based on these characters, a dissimilarity matrix was generated and a principal coordinate analysis was performed. It was observed that the pulp yield was influenced by altitude. The three hybrids showed greater performance in terms of agronomic characters at altitude (41 m) than at altitude (104 m). The Sol do Cerrado hybrid showed high performance in the physical-chemical characteristics of the fruits at altitude (104 m).

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Section: Discussionmentioning

confidence: 97%

Section: Discussionmentioning

confidence: 99%

Multivariate analysis of agronomic, physicochemical, and physiological characters of passion fruit hybrids cultivated at different environments

Maciel,

Lima,

Mengarda

et al. 2023

Braz. J. Biol.

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“…This variation in fertilization between the species studied may be related not only to genetic factors, but also to environmental factors such as temperature and photoperiod (Cordeiro et al, 2019). According to Sanzol and Herrero (2001), temperature, flower quality and chemical treatments can affect an effective pollination period in fruit species.…”

Section: 4% Of Attachment In Interspecific Crossings Of Passifloramentioning

confidence: 93%

Genetic resistance to fusariosis and base rot in interspecific F1 progenies of passion fruit (Passiflora spp.)

Marostega

Preisigke

Chimello

et al. 2020

RSD

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Fusariosis and base rot, caused by the fungi Fusarium oxysporum f. sp. passiflorae and F. solani, respectively, seriously damage the cultivation of sour passion fruit in Brazil. This work aims to obtain and evaluate F1 hybrids of Passiflora spp. wild plants resistant to fusariosis and base rot using genotypes of P. edulis (commercial species) and certify interspecific hybridizations using microsatellite markers. Hybridizations were performed using a P. edulis female parent and P. nitida and P. mucronata male parents for crosses aiming fusariosis resistance, and P. nitida, P. cincinnata and P. quadrangularis for hybridizations aiming tolerance to base rot. 35 microsatellite markers were used to confirm hybridization. The washed roots method was used for fusarium resistance tests and inoculation procedure with a mycelium disk fixed on a small wound on the plant stem for base rot. The interspecific hybridizations provided 49 potentially hybrid genotypes. Confirmation of hybridization by microsatellite marker was verified for 57% of the analyzed genotypes. The hybrids 115-1, 115-3, 115-4, 115-5, 115-6, 115-7, 115-9 and 128 are indicated as promising genotypes for a new stage of the breeding program. In the resistance evaluation of 13 F1 hybrids to F. oxysporum f. sp. passiflorae, the genotypes 142 and 143-2 were selected as the most resistant to continue the breeding program.

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“…Os híbridos obtidos do cruzamento entre o UFV-M7 e genótipos resistentes ao Fusarium spp. florescem em temperaturas e fotoperíodos mais baixos em relação aos valores exigidos pela espécie, embora valores mais elevados tenham sido observados em fotoperíodo de 11h50 e 13h25 e temperaturas entre 20 e 24 °C(CORDEIRO et al, 2019).…”

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Cadeia Produtiva Do Maracujá No Espírito Santo

Galeano¹,

Arantes²,

Padovan³

et al. 2023

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Sour passion fruit hybrids with a low photoperiod and temperature requirement for genetic improvement in higher-latitude regions

Cited by 9 publications

References 12 publications

Multivariate analysis of agronomic, physicochemical, and physiological characters of passion fruit hybrids cultivated at different environments

Multivariate analysis of agronomic, physicochemical, and physiological characters of passion fruit hybrids cultivated at different environments

Genetic resistance to fusariosis and base rot in interspecific F1 progenies of passion fruit (Passiflora spp.)

Cadeia Produtiva Do Maracujá No Espírito Santo

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