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Rubber Tree (Hevea brasiliensis) Bark Necrosis Syndrome III: A Physiological Disease Linked to Impaired Cyanide Metabolism.

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Prijava / prijava

First attempts to discriminate between tapping panel dryness (TPD) and bark necrosis (BN), two Hevea sp. bark diseases leading to the cessation of latex production, showed differences in latex biochemical characteristics (1). Further, contrary to TPD, BN is characterized by inner phloem necrosis

Rubber Tree (Hevea brasiliensis) Bark Necrosis Syndrome II: First Comprehensive Report on Causal Stresses.

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Prijava / prijava

Bark necrosis (BN), described and first studied in Côte d'Ivoire in the 1980s (2), affects most modern rubber plantations (i.e., grafted trees with high-yielding clones, intensive exploitation due to tapping frequency, and use of Ethrel as a yield stimulant) worldwide with a wide range of severity

Rubber Tree (Hevea brasiliensis) Bark Necrosis Syndrome I: Still No Evidence of a Biotic Causal Agent.

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Prijava / prijava

The main constraint in rubber plantations worldwide is the cessation of latex production because of two syndromes: (i) tapping panel dryness (TPD), a reversible physiological response to overexploitation; and (ii) bark necrosis (BN), an irreversible syndrome spreading from the collar toward the

Contrasting strategies to cope with chilling stress among clones of a tropical tree, Hevea brasiliensis.

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Prijava / prijava

Eight Hevea brasiliensis Muell. Arg. clones (GT1, YUNYAN77-4, IRCA707, IRCA317, PB217, PB260, PR107 and RRIM600) were compared for their tolerance towards chilling stress. Net photosynthesis (Pn), stomatal conductance (Gs), optimal and effective photochemical efficiencies (F(v)/F(m) and ),

The elicitin secreted by Phytophthora palmivora, a rubber tree pathogen.

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Prijava / prijava

Palmivorein, a new member of the elicitin family, was purified from the culture filtrate of Phytophthora palmivora isolated from the rubber tree, Hevea brasiliensis. The elicitin was obtained by ammonium sulfate precipitation and further purified using ion-exchange and gel filtration. The molecular

Isolation and structure elucidaton of polyphenols from Loranthus micranthus Linn. parasitic on Hevea brasiliensis with antiinflammatory property.

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Prijava / prijava

The present study was carried out to evaluate the anti-inflammatory activities of polyphenols isolated from the leaves of mistletoe (Loranthus micranthus Linn.) parasitic on Hevea brasiliensis. The anti-inflammatory properties of the isolated compounds were evaluated on the basis of their ability to

Oral treatment with Hev b 13 prevents experimental arthritis in mice.

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Prijava / prijava

Hev b 13 is an allergenic esterase obtained from the rubber tree Hevea brasiliensis, which has been shown recently to induce human monocytes to release interleukin (IL)-10 in vitro, and to exert a potent anti-inflammatory effect in vivo. Moreover, Hev b 13 has been shown to reduce clinical signs of

Molecular Cloning of HbPR-1 Gene from Rubber Tree, Expression of HbPR-1 Gene in Nicotiana benthamiana and Its Inhibition of Phytophthora palmivora.

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Prijava / prijava

This is the first report to present a full-length cDNA (designated HbPR-1) encoding a putative basic HbPR-1 protein from rubber tree (Hevea brasiliensis) treated with salicylic acid. It was characterized and also expressed in Nicotiana benthamiana using Agrobacterium-mediated transient gene

A Colletotrichum gloeosporioides cerato-platanin protein, CgCP1, contributes to conidiation and plays roles in the interaction with rubber tree.

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Prijava / prijava

Colletotrichum gloeosporioides is the causal agent of rubber tree anthracnose and leads to serious losses of natural rubber production. The pathogenesis of C. gloeosporioides on rubber tree remains unknown. Cerato-platanin proteins are small, secreted cysteine-rich proteins that contribute to

Differential expression of microRNAs and their targets reveals a possible dual role in physiological bark disorder in rubber tree.

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Prijava / prijava

Trunk phloem necrosis (TPN), a physiological bark disorder of the rubber tree (Hevea brasiliensis), is a serious problem that affects the yield of natural rubber. The resultant bark dryness occurs in up to half of a plantation's trees in almost every rubber tree plantation region, causing a great

Pathogenic Adaptations Revealed by Comparative Genome Analyses of Two Colletotrichum spp., the Causal Agent of Anthracnose in Rubber Tree

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Prijava / prijava

Colletotrichum siamense and Colletotrichum australisinense cause Colletotrichum leaf disease that differ in their symptoms in rubber tree (Hevea brasiliensis), and pathogenicity of these two fungal species is also not identical on different cultivars of rubber tree. This

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