Journal of Botany Research

 ISSN: 2643-6027

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Original Article   |   10.36959/771/563 Volume 2 Issue 1

Vegetation Structure, Root Biomass Distribution and Soil Carbon Stock of Savannah Agrosystems in Sudano-Sahelian Zone of Cameroon

Authors: AWE DJONGMO Victor, NOIHA NOUMI Valery, ZAPFACK Louis, VROH BI-TRA Aimé and NYECK Boris

Abstract: The present work aims to provide key knowledge on vegetation structure, root biomass distribution and soil carbon stock of savanna agrosystems in Sudano-Sahelian zone of Cameroon. The transect method is used to carry out the investigations in order to characterize the vegetation. The excavation method was used to soil and roots sampling. The experimental device used is the split plot. These results showed that the highest densities were recorded in Anogeissus leiocarpus stands (408 ± 11.12 stems/ha).

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Original Research   |   10.36959/771/562 Volume 2 Issue 1

Carbon Stocks in Dead Wood Biomass of Savannah Ecosystems in Northern Region Cameroon

Authors: Awe Djongmo Victor, Noiha Noumi Valery, Zapfack Louis, Ali Ahmed Davy and Madou Chantal

Abstract: This work highlights the critical role of deadwood in maintaining balance within forest ecosystems and in conserving biodiversity associated with it. Thus the general objective of this work was the quantification of carbon in dead wood biomass of savannah ecosystems in Northern region Cameroon. The investigations were made by the transect method. The experimental device using was a split plot. The results obtained showed that the highest standing deadwood and soil carbon stock was observed in arborescent savannah

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Research Article   |   10.36959/771/561 Volume 2 Issue 1

Assessing Genotoxic Potential of Cotinus Coggygria Scop: Using the Mussel Micronucleus Test

Authors: Bettina Eck-Varanka, Nora Kovats, Eszter Horvath, Katalin Hubai and Gabor Paulovits

Abstract: Cotinus coggygria Scop. is widely used in ethnopharmacology such as antiseptic, anti-inflammatory, antimicrobial, hepatoprotective, as well as for countering diarrhea, gastric and duodenal ulcers. Total phenols, flavonoids and tannins were determined as the main group of biologically active compounds. Tannins, however, have proven mutagenic in different studies. Also, methanol extract of C. coggygria induced sex-linked recessive lethal mutations on the X-chromosome of Drosophila melanogaster males.

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Research Article   |   10.36959/771/560 Volume 1 Issue 1

Flower Types, Pollen Morphology, and In Vitro Pollen Germination of Longan (Dimocarpus longan Lour.)

Authors: Min Kyaw Thu, Yuling Lin, Jianjun Chen, Chunzhen Cheng, Nigarish Munir, Xuhan Xu and Zhongxiong Lai

Abstract: Longan (Dimocarpus longan Lour.) is an important tropical and subtropical fruit tree in Southeast Asia and China. We investigated flower type, morphology, and development, pollen morphology, and pollen vigor of a popular Chinese cultivar 'Honghezi'.

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Research Article   |   10.36959/771/559 Volume 1 Issue 1

Mechanism of the Entomotoxic Activity Induced by Araucaria Angustifolia Methanolic Extract in Nauphoeta Cinerea Lobster Cockroaches

Authors: Thiago Carrazoni, Patricia de Brum Vieira, Patricia Gomes da Silva, Marines de Avila Heberle, Graziele Daiane Sturmer, Michele Stach Correa, Antonio Batista Pereira, Sidnei Moura, Andreas Sebastian Mendez and Chariston Andre Dal Belo

Abstract: Araucaria angustifolia (Bert.) O. Kuntze (Araucariaceae), known as "Parana pine", is a conifer found in Southern of Brazil and it needles are used traditionally as natural insecticide and acaricide. The aim of this study was to investigate the insecticide activity of A.

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Review Article   |   10.36959/771/558 Volume 1 Issue 1

Evidences towards a Genetic Differentiation and Karyotype Evolution of the Sedges Cyperus odoratus L and C Ligularis L (Cyperaceae)

Authors: Geyner Alves dos Santos Cruz, Santelmo Vasconcelos, Diego Sotero de Barros Pinangé, Rodrigo Augusto Torres, Rodrigo Cesar Gonçalves Oliveira, Marccus Vinícius Alves and Ana Maria Benko-Iseppon

Abstract: Cyperaceae is composed of pioneer species and presents a complex taxonomy, with genera like Cyperus presenting specific complexes. The aim of this study was to analyze the genetic diversity between the broadly distributed sedges Cyperus ligularis L. and C. odoratus L using DNA fingerprinting markers and cytogenetic features, focusing on collection sites from an Atlantic Forest reserve and its surroundings in the city of Recife (Pernambuco, Brazil).

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Research Article   |   10.36959/771/557 Volume 1 Issue 1

Response of Selected Ornamentals to Rooting Hormone in Different Propagating Media

Authors: Okunlola A Ibironke

Abstract: The propagation of plants has been a fundamental occupation of mankind since cultivation began hence, the essence of propagation is to increase the number of plants and also to preserve its essential characteristics and the ornamental horticulture industry therefore comprises all process relating to growth, production or use of plant materials for aesthetic or functional value.

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Review Article   |   10.36959/771/556 Volume 1 Issue 1

High Altitude Maize (Zea Mays L.) Cultivation and Endemism in the Lake Titicaca Basin

Authors: Staller John E

Abstract: Botanists and plant biologists have long asserted maize (Zea mays L.) cannot be cultivated above 3,600 masl. Multidisciplinary evidence has documented an abundance of a particular variety of maize called tunqu by indigenous Aymara speaking populations and cultivated on terraces between 3810 to 4100 masl around the Copacabana Peninsula, in the Lake Titicaca Basin, Bolivia. This is the only known maize variety in the world cultivated above 3600 masl. The Titicaca Basin was transformed by various ancient cultures and civilizations and pre-Columbian landscape modifications such as raised fields and terraces.

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Original Research Article   |   10.36959/771/555 Volume 1 Issue 1

In Vitro Callus Induction of Duroia Macrophylla Huber, Chemical Prospection and Biotechnological Potentialities of Its Extracts

Authors: Sabrina Schumacker Zanca, Reinaldo Corrêa Costa and Cecilia Veronica Nunez

Abstract: The Amazonian wild tree species Duroia Macrophylla (Rubiaceae) produces triterpenes and alkaloids, some of them showed antituberculosis and antitumoral activities. This paper describes the in vitro establishment and callus induction of Duroia Macrophylla leaf explants, preparation of callus extracts and the chemical analysis to verify the presence of alkaloids and terpenes in it. Young leaf explants were established in vitro with 50% of asepsis, being the best disinfestation method with immersion of 5 h at biocide solution (fungicidal and bactericidal), 3 min in 70% ethanol and 15 min in sodium hypochlorite 2%.

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