Topic
Cestrum
About: Cestrum is a research topic. Over the lifetime, 110 publications have been published within this topic receiving 1158 citations.
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01 Jan 2007
TL;DR: Cestrum cristinae (Solanaceae), a new species from Costa Rica and Panama that is closely related to Cestrums fragile Francey, Cestrum lewisii D'arcy and CESTrum salicifolium Jacq.
Abstract: Cestrum cristinae (Solanaceae), a new species from Costa Rica and Panama that is closely related to Cestrum fragile Francey, Cestrum lewisii D'arcy and Cestrum salicifolium Jacq. is described and illustrated. The etymology of the name, distribution and its taxonomic relationships are discussed.
1 citations
TL;DR: The new name Cestrum subumbellatum Vignoli-Silva & M. Nee (Solanaceae) is proposed to replace the later homonym C. campanulatum Francey, and a lectotype is chosen.
Abstract: The new name Cestrum subumbellatum Vignoli-Silva & M. Nee (Solanaceae) is proposed to replace the later homonym C. campanulatum Francey, and a lectotype is chosen. The taxon is endemic to the Atlantic Forest of eastern Brazil.
1 citations
01 Jan 2008
TL;DR: Results showed significative differences in the amount and number mixture of compounds obtained depending on dissolvent applied, time of extraction, sterilized and non-sterilized and type of isolation, and fungicidal activity was different in relation to isolate and treatment applied.
Abstract: One of the main causes that originate considerable postharvest loses during handling and storage of fruits and vegetables is the infection by Fusarium. One possible alternative to control postharvest disease originated by fungi in fruits and vegetables is the application of powders and extracts from botanical species with fungicidal properties. The genus Cestrum is composed by a great diversity of botanical species with different applications in the traditional medicine, associated with pesticidal and fungicidal activities. The objectives of this research were to obtain aqueous, ethanolic, metanolic, chlorophormic, dichloromethanic and acetonic extracts, evaluating their antifungal activity. Fractions obtained by column chromatography (CC) were evaluated on germination of two isolations of Fusarium from fruits of papaya and red mombin. The fungicidal potential of powders of C. nocturnum at concentrations each 0.5, 1.0, 1.5 and 2.0 g mL -1 and aqueous, methanol, acetone, dichloromethane, chloroform-methanol-water, and ethanol extracts at concentrations each of 12, 25 y 50 mg mL -1 were also evaluated on this two isolations. The parameters evaluated were: mycelial growth, sporulation, germination and also rate of growth. Results showed significative differences in the amount and number mixture of compounds obtained depending on dissolvent applied, time of extraction (24 and 48 h), sterilized and non-sterilized and type of isolation. The greatest number of mixture of compounds (16) was obtained with the acetonic extract. This also
1 citations
Journal Article•
TL;DR: The study suggests that the exotic plant Cestrum bushes are becoming an unavoidable part of the Nilgiris supporting rich faunal diversity.
Abstract: The study was conducted to assess the importance of the Cestrum aurentiacum in maintaining the avian diversity of the Nilgiris. The study was conducted from December to March in five different sample sites located at Ooty, the Nilgiris. The avian diversity was calculated by counting the number of birds in one hour. The experiment was repeated many times and the mean number/hr is calculated. The site selection was done as per the standard sampling ecological protocols. The composition of inflorescence, the column diameter of the flower, the nectar height also were studied and correlated to the avian diversity. The avian diversity was assessed by calculating the Shannon Index and Simpson’s Index. Results shows that in the inflorescence there is a good number of mature flowers along with bud and the mature flowers contain plentiful quantity of nectar. Not only the birds, insects and other fauna were also attracted towards the Cestrum flowers. The Cestrum bushes are good nesting places and there are only minimum human disturbances. To be concluded, these reasons attract diverse faunal component to the Cestrum bushes. The study suggests that the exotic plant Cestrum bushes are becoming an unavoidable part of the Nilgiris supporting rich faunal diversity.
01 Jan 2012
TL;DR: The antimicrobial activity of different plant argans of the species Cestrum buxifalium Kunt, far Escherichia coli, Pseudamanas aeruginasa, Staphylacoccus aureus, through the disk diffusion method was evaluated.
Abstract: We evaluated the antimicrobial activity of different plant argans of the species Cestrum buxifalium Kunt, far Escherichia coli, Pseudamanas aeruginasa, Staphylacoccus aureus, through the disk diffusion method, the ethanol extract of the fruits and leavesof C. buxifalium inhibitthe growth of E.coli at a concentration of 30 mg/ml, the ethanol extracts offruits and stemsinhibit the growth front of Pseudamanas aeruginasa in the same concentra tia n with respect to the positive control, none of the extracts were evaluated far inhibition versus Staphylacoccus aureus.