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1
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Yellow krang – a new cultivar of papaya for green consumption with tolerance to papaya ringspot virus

100%
Janthasri R., Chaiyaboon W.
Journal of Horticultural Research
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2015
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tom 23
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nr 2
2

The response of five tidal swamp grown papaya cultivars from the collection of the Indonesian Tropical Fruit Research Institute (ITFRI) to phosphorus fertilization

100%
Nasution F., Noflindawati M., Budiyanti T.
Journal of Fruit and Ornamental Plant Research
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2011
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tom 19
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nr 1
The research was intended to analyse the response of five papaya varieties to phosphorus fertilization in tidal swamp areas. The research was conducted at the Peatland Project (PLG) in Mentangai, Kapuas, Central Kalimantan, from August 2007 to April 2008. A split plot design was used. The main plot had the following P appli­cation: 100; 200; 300 g P/plant, and the subplot had the following varieties of papaya: Bt1; Bt2; Bt3; Bt4; Bt7. There were 3 replications and 10 plants per unit of treatment. The observed parameters were: (1) vegetative growth (plant height, stem diameter, internode number); (2) and fruit quality (fruit number, fruit weight, fruit length, fruit circumference, flesh thickness, and total soluble solid). The research result showed that four of five papaya varieties, namely Bt1, Bt2, Bt4, and Bt7 proved to have a higher growth and production response than Bt3. Therefore, the four varieties Bt1, Bt2, Bt4, and Bt7, show good prospects for development in the tidal swamp areas. P application affected significantly plant height only, but did not have an effect on other parameters of plant growth and fruiting. These findings could be used as a guide for choosing varieties suitable for cultivation in the tidal swamp areas.
3
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Physical and biochemical properties of selected tropical fruits

84%
Athmaselvi K. A., Jenney P., Pavithra C., Roy I.
International Agrophysics
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2014
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tom 28
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nr 3
This study was conducted to determine the phy- sical and biochemical properties of guava, sapota, and papaya. The physical properties studied were: dimensions, shell ratio, surface area, bulk and true density, porosity, sphericity, packing coeffi- cient, aspect ratio, and roundness index. The specific heat at various mass fractions, biochemical properties like pH, titratable acidity, total soluble solids, and colour analysis were studied for fruit pulps. The viscosity of fruits was studied at various mass fractions. The high sphericity of guava and sapota indicated that those fruits had high rolling capability, which is an important factor for designing hoppers. Bioch emical analysis showed that sapota was the sweetest fruit amongst the three studied.
4
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Molecular characterization and pathogenicity of Erwinia spp. associated with pineapple [Ananas comosus (L.) Merr.] and papaya (Carica papaya L.)

84%
Ramachandran K., Manaf U. A., Zakaria L.
Journal of Plant Protection Research
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2015
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tom 55
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nr 4
The Erwinia species are well-known pathogens of economic importance in Malaysia causing serious damage to high-value fruit crops that include pineapple [Ananas comosus (L.) Merr.] and papaya (Carica papaya L.).The 16S rRNA sequence using eubacteria fD1 and rP2 primers, identified two bacteria species; Dickeya zeae from pineapple heart rot, and Erwinia mallotivora from papaya dieback. Phylogenetic analysis based on the neighbor-joining method indicated that all the bacterial isolates clustered in their own taxa and formed monophyletic clades. From the pathogenicity test, all isolates of D. zeae and E. mallotivora showed pathogenic reactions on their respective host plants. Genetic variability of these isolates was assessed using repetitive sequence-based PCR (rep-PCR) fingerprinting. The results indicated interspecies, and intraspecies variation in both species’ isolates. There were more polymorphic bands shown by rep-PCR fingerprints than enterobacterial repetitive intergenic consensus (ERIC) and BOX- PCRs, however both species’ isolates produced distinguishable banding patterns. Unweighted pair-group method with arithmetic averages (UPGMA) cluster analysis indicated that all Dickeya and Erwinia isolates from the same species were grouped in the same main cluster. Similarity among the isolates ranged from 77 to 99%. Sequencing of 16S rRNA using eubacteria fD1 and rP2 primers, and rep-PCR fingerprinting revealed diversity among Dickeya and Erwinia isolates. But this method appears to be reliable for discriminating isolates from pineapple heart rot and papaya dieback.
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Biochemical constituents in leaf of Carica papaya - ethnomedicinal plant of Kachchh region

67%
Vyas S. J., Khatri T. T., Ram V. R., Dave P. N., Joshi H. S.
International Letters of Natural Sciences
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2014
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tom 07
Carica papaya Linn. is one of the valuable plant used for various purposes in medicinal field. Leaves, fruit and seeds of the C. papaya are used as ethnomedicine. This work describes biochemical constituents of leaves of C. papaya. Fresh leaves samples of the plant were collected during the month of January, 2013 from different parts of Bhuj in Kachchh district (Gujarat), India. The purpose of the study was to evaluate the biochemical composition in leaves of C. papaya growing in the semi-arid region of Gujarat and based on the result to justify its importance in various treatments of diseases. The dried leaves were further analyzed for biochemical constituents like Ca2+, Mg2+, Na+, K+, Clˉ and Li+. The results indicated that the leaf extract of C. papaya has high potentiality for curing number of diseases.
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