Comparative metabolome profiling of Paris polyphylla var. yunnanensis cultivars and Paris luquanensis and their biological activity in zebrafish model.

Ethnopharmacological Relevance: Paris polyphylla var. Yunnanensis (Franch.) Hand.

[A novel pathogenic Colletotrichum species for rhizome rot disease of Polygonatum kingianum].

Rhizome rot disease is one of the main disease of planted Polygonatum kingianum. In this study, six strains of pathogenic fungus was isolated from P. kingianum samples with rhizome rot disease collected from six counties in Yunnan province.

[Gray mold disease of Paris polyphylla var. yunnanensis and its pathogen identification].

Gray mold disease is one of the most important diseases of planted Paris polyphylla var. yunnanensis, the disease appeared primarily as blossom blights and fruit rots, but also as stem rots, leaf rots.In this study, the pathogenetic fungi was isolated from plant tissue or sclerotia that covering the fruit of diseased P.

[Screening for virulence strains of Metarhizium against Dorysthenes hydropicus pascoes].

Objective: The aim of the present study was to screen the Metarhizium strains with high virulence against the larvae of Dorysthenes hydropicus, a serious pest of Citrus grandis.

Method: Thirty six strains of Metarhiziums were isolated from the soil of C. grandis GAP base and collected from other institutions, and the pathogenicity of these strains against 1st instar larvae of D.

[Analysis of volatile compounds of inflorescence by GC-MS from Cistanche deserticola].

Objective: To study the volatile compounds from inflorescence of Cistanche deserticola and provide basis for its utilization and seed breeding.

Methods: The volatile compounds were collected by dynamic headspace adsorption and analyzed by gas chromatography-mass spectrometry (GC-MS).

Results: Forty volatile components were identified in inflorescence of Cistanche deserticola from squaring period to full-bloom period.