Outbreak of Rust Caused by Coleosporium asterum on Solidago virgaurea var. gigantea in Ulleung-do

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Outbreak of Rust Caused by Coleosporium asterum on Solidago virgaurea var. gigantea in Ulleung-do

From June to October 2012, severe outbreaks of rust disease on Solidago virgaurea var. gigantea were observed in 5 different regions of Ulleung-do, Korea. Typical rust symptoms appeared as yellow spots, uredinia on leaves, and massive urediniospores covering the entire plant. Severely infected plants became discolored and died. On the basis of its morphological and molecular characteristics, th...

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Genotype, environment, and genotype by environment interactions determine quantitative resistance to leaf rust ( Coleosporium asterum ) in Euthamia graminifolia (Asteraceae)

• The strength and consistency of genotypic differences in disease resistance determine the potential for resistance evolution in host populations that rely on vegetative reproduction. Here we surveyed infection intensity of host genotypes across space and time to estimate genotypic and environmental effects on quantitative disease resistance. • Cloned fragments of 12 Euthamia graminifolia geno...

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In vitro propagation of Solidago virgaurea L. through nodal culture

A reliable in vitro propagation protocol has been established from nodal segments of a highly valuable medicinal plant Solidago virgaurea L. The explants were cultured on Murashige and Skoog’s medium augmented with different concentrations and combinations of plant growth regulators for shoot bud initiation and multiplications. Highest frequency of shoot proliferation (91.8 ± 0.64) and maximum ...

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Two New Saponins from Solidago gigantea

Abstract Two new triterpenoid saponins, named giganteasaponin 5 and giganteasaponin 6, were isolated from the aboveground parts of Solidago gigantea and were defined to be 3-O-[ -D-Apio-D-furanosyl-(1 3)-D-glucopyranosyl-(1 3)-D-glucopyranosyl]-28-O { -L-rhamnopyranosyl-(1 3)-D-xylopyranosyl-(1 4)[ -D-xylopyranosyl-(1 3)]-L-rhamnopyranosyl-(1 2) [ -L-rhamnopyranosyl-(1 3)]-Dxylopyranosyl}-Bayog...

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Antineoplastic activity of Solidago virgaurea on prostatic tumor cells in an SCID mouse model.

Solidago virgaurea (goldenrod) has traditionally been used as an anti-inflammatory herbal medicine for the treatment of various symptoms, including prostatic diseases. The plant has also been reported to have antibacterial, spasmolytic, and carminative properties. During the course of our screening for antineoplastic activities in various herbal plants, we found that the extract of S. virgaurea...

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ژورنال

عنوان ژورنال: Mycobiology

سال: 2014

ISSN: 1229-8093,2092-9323

DOI: 10.5941/myco.2014.42.1.79