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Verruconis heveae, a novel species from Hevea brasiliensis in Thailand
Phytotaxa, 2019Verruconis heveae, a new species accommodated in Sympoventuriaceae was isolated from dried latex on bark of a rubber tree (Hevea brasiliensis) collected from Phayao Province, Thailand. The comparison of its morphological characters distinguished V.
NARUEMON HUANRALUEK +6 more
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Yeasts in Hevea brasiliensis latex
Microbiology, 2016Yeast abundance and species diversity in the latex of caoutchouc tree Hevea brasiliensis (Willd. ex Juss.) M611. Arg., on its green leaves, and in soil below the plant Was studied. The yeasts present in the fresh latex in concentrations of up to 5.5 log(CFU/g) were almost exclusively represented by the species Candida heveicola, which was previously ...
A M, Glushakova +3 more
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Gene insertion into Hevea brasiliensis
Plant Cell Reports, 1994A transformation system has been developed for Hevea brasiliensis using the particle gun method. Anther derived calluses were transformed with vectors harbouring the ß-glucuronidase (gus) gene, the neomycin phosphotransferase (nptII) gene, and the chloramphenicol acetyl transferase (cat) gene.
P, Arokiaraj +4 more
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Genomic technologies for Hevea breeding
2019The commercial production of high quality natural rubber (NR) solely depends on Hevea brasiliensis Muell. Arg, (Para rubber tree) and accounts for >98% of total production worldwide. NR with its unique properties is an essential commodity for the automobile industry and its synthetic counterparts are in no way substitute to it.
Radhakrishnan, Supriya +1 more
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Hevea : micropropagation by somatic embryogenesis
1997The different steps of the process for maintained somatic embryogenesis were described. The current yields of the process were shown. They led to discuss on the limiting factors with the prospect of mass micropropagation. The first field trial with five, years old vitroplants was analysed. First conclusions were promising.
Carron, Marc-Philippe +2 more
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Chain Scission in the Oxidation of Hevea. II
Journal of the American Chemical Society, 1955Abstract Oxidation of natural rubber in latex yields two molecules of carbon dioxide, one of formic acid and one of acetic acid for each rupture of the hydrocarbon chain. The yields of these products can be interpreted readily by reference to the structure of the primary oxidation products of 1,5-diolefins established by Bolland and Hughes.
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The Breeding of Hevea Brasiliensis
Rubber Chemistry and Technology, 1961Abstract The intrinsic yield of Hevea brasiliensis has been more than tripled over the past thirty-five years largely by the efforts of plant breeders. While it is not to be expected that progress will be as rapid over the next thirty-five years, yet the end is not in sight, and indeed new horizons are opening up.
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The Instability of Hevea Latex
Rubber Chemistry and Technology, 1941Abstract In a study made on plantations in Malaya, it was found that the cause of instability is not the same for both fresh and preserved latex. The autocoagulation of fresh latex, as it will be shown, is not caused by the acid formed by bacterial action on the serum components (autoacidification).
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HEVEA-PRODUCTS AND POLYPROPYLENE
Herald of Technological UniversityThe main source of natural rubber is hevea, a genus of evergreen monoecious rubber-bearing trees. Natural rubber belongs to biodegradable polymers and does not accumulate in nature. In this regard, it can be used as a biodegradable additive for polypropylene, which is not biodegradable.
V.V. YANOV +2 more
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