Genetic Improvement of Papaya (Carica papaya L.)

Rimberia, Fredah Karambu; Ombwara, Francis Kweya; Mumo, Naomi Nzilani; Ateka, Elijah

doi:10.1007/978-3-319-91944-7_21

Cited by 8 publications

(7 citation statements)

References 66 publications

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“…The major challenges of papaya fruits production in Kenya as reported by (HCD, 2016), are lack of quality planting materials, low productivity, insect pests and diseases and lack of papaya seed producers. Researchers at Jomo Kenyatta University of Agriculture and Technology (JKUAT) developed new papaya hybrids from selection and cross pollination of different germplasms collected all over the country and Sunrise Solo (Rimberia et al,2018). However, their physicochemical, nutritional content and sensory quality characteristics have not been evaluated in order to ensure their potential for commercialization.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of Physicochemical, Nutritional and Sensory Quality Characteristics of New Papaya Hybrids Fruits Developed in JKUAT

Nishimwe¹,

Okoth²,

Rimberia³

2018

JFR

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The world is faced with a lot of challenges including lack of sustainable development and inability to feed its growing population leading to malnutrition. The issue of accessing high quality nutritious foods such as fruits has become a major challenge for many African people. Papaya (Carica papaya L.) is among the most popular fruits grown in Kenya and excellent in nutritional content. However, its potential has remained unexploited due to inadequate quality planting materials, high post- harvest losses and prevalence of pests and diseases. Researchers at Jomo Kenyatta University of Agriculture and Technology developed promising papaya hybrids whose physicochemical, nutritional content and sensory characteristics have not been evaluated. Thus, the aim of this study was to determine the physicochemical, nutritional content and sensory quality characteristics of the new papaya hybrids and their control, Sunrise Solo. The physicochemical attributes evaluated included; total soluble solids, total titratable acid, pH and total soluble solid/total titrable acid ratio. While the nutritional content evaluated included (Vitamin C and β-carotene content) and sensory quality characteristics were evaluated. The standard AOAC methods was used to determine nutritional content and an effective analysis with 9- point hedonic scale was used on sensory evaluation. There was significant difference (P< 0.05) in nutritional content of new hybrids papaya fruits and Sunrise solo. The maximum and minimum Vitamin C content of 131.63 mg/100g and 52mg/100g were exhibited by line 6 and 8 respectively. β-carotene content ranged between 1.69 and 3.39 mg/100g as exhibited by line 1 and lines 2 and 8 respectively. The findings of this study revealed that the nutritional content of the new papaya hybrids exceeded the one of Sunrise Solo while their sensory quality characteristics compared favourably to the one of Sunrise Solo. Based on these findings, lines 1, 2,5,6,7 can be recommended for commercialization.

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Section: Introductionmentioning

confidence: 99%

Evaluation of Physicochemical, Nutritional and Sensory Quality Characteristics of New Papaya Hybrids Fruits Developed in JKUAT

Nishimwe¹,

Okoth²,

Rimberia³

2018

JFR

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“…ISSN 2477-9407 principal de la mejora genética de lechosa en todo el mundo ha sido proporcionar una producción estable al conferir resistencia al PRSV, una enfermedad devastadora que se transmite por los áfidos (Ogata, et al, 2016). Sin embargo, los esfuerzos de mejoramiento convencional para desarrollar resistencia a PRSV no han sido totalmente exitosos (Rimberia, et al, 2018). En México se ha observado que los cultivares Maradol y Red Lady pueden compensar la pérdida de producción debida a los efectos del PRSV por sus altos rendimientos; sin embargo, el rendimiento potencial puede variar según las regiones y técnicas de manejo empleadas (Rivas et al, 2003).…”

Section: Vegas Et Alunclassified

“…Los frutos de Cartagena maduran fácilmente y son delicados para el transporte, mientras que los de Paragüanera presentan más resistencia en condiciones de poscosecha (FUSAGRI, to PRSV, a devastating disease that is transmitted by aphids (Ogata, et al, 2016). However, conventional breeding efforts to develop resistance to PRSV have not been entirely successful (Rimberia, et al, 2018). In Mexico, it has been observed that the Maradol cultivars and Red Lady can compensate for the loss of production due to the effects of PRSV for its high yields; however, the potential yield may vary according to the regions and management techniques used (Rivas et al, 2003).…”

Section: Vegas Et Almentioning

confidence: 99%

Selección de plantas élites de lechosa ‘Maradol’ para la producción de semillas de calidad

et al. 2020

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The cultivar Red Maradol native of Cuba, has morphological and agronomic features superior to local cultivars and adapted to soils and climates of Venezuela; that is why it is grown in a greater proportion and has been widely accepted by farmers, traders and consumers. However, the lack of availability and high cost of imported seeds limit its expansion in the country. The aim of this work was to select andromonoecious plants from different sources and locations, based on morphological and agronomic characteristics, and produce good quality seeds by self-pollinations. The characteristics for selection were based on those of the cultivar, such as: beginning of flowering between 3 and 4 months after transplant to the field, height of flowering less than or equal to 80 cm, beginning of fruiting before 4 months, height of plants less than 2 m, among others features. Selected plants showed low percentage of sterility, 30 and 64 fruits.plant-1, fruit weights between 1.4 to 1.7 kg, and estimated yields between 42.5 and 98.50 kg.plant-1 yields. Regarding fruit quality, they were elongated and smooth, wide orange-red color pulp. These populations are considered the basis for the production of good quality seeds, to continue the process of selection of more productive pure lines and hybrids.

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“…Papayas (Carica papaya L.) are widely distributed in tropical and subtropical regions worldwide (Rimberia et al, 2018;Sharma et al, 2020;Ferreira et al, 2022). Its fruits, leaves, seeds, and stem can be used for food, pharmaceutical, and medicinal purposes, among others (Chávez-Pesqueira & Núñez-Farfán, 2017;Rimberia et al, 2018), and therefore, it is of great economic importance (Mishra et al, 2021). In 2020, Brazil produced approximately 1.235 million tons of papaya fruit (FAO, 2020).…”

Section: Introductionmentioning

confidence: 99%

Selection of desirable characters for papaya genetic improvement programs associated with hydric and thermal stress

Costa

Lopes

Faria

et al. 2023

Rev. bras. eng. agríc. ambient.

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Papaya cultivation is widespread in Brazil, particularly in the states of Bahia and Espírito Santo, where most commercial plantations are concentrated. Owing to the economic and social importance of papaya, the present study aimed to determine the explanatory variables between the genotypes of two cultivars: Golden (from the Soil group) and Tainung Nº 1 hybrid (from the Formosa group), cultivated under high temperatures and hydric stress. The genotypes containing more desirable agronomic characteristics were identified for use in plant genetic improvement programs. Principal component analysis (PCA) was applied to select the desirable genotypes for Golden and Tainung Nº 1 cultivars based on specific variables analyzed for two groups of variables; for group 1, the plant height, stem diameter, leaf length, leaf width, and leaf number were analyzed, whereas for group 2, the leaf and root dry mass, stem dry mass and fresh mass of 10 discs, fresh mass, and stem and root fresh mass were analyzed. When exposed to hydric and thermal stress, the Tainung Nº 1 cultivar outperformed the Golden cultivar for the evaluation characteristics selected for use in genetic improvement programs.

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Genetic Improvement of Papaya (Carica papaya L.)

Cited by 8 publications

References 66 publications

Evaluation of Physicochemical, Nutritional and Sensory Quality Characteristics of New Papaya Hybrids Fruits Developed in JKUAT

Evaluation of Physicochemical, Nutritional and Sensory Quality Characteristics of New Papaya Hybrids Fruits Developed in JKUAT

Selección de plantas élites de lechosa ‘Maradol’ para la producción de semillas de calidad

Selection of desirable characters for papaya genetic improvement programs associated with hydric and thermal stress

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