Journal of Botany Research

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Table of Content: Volume 1, Issue 1

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Research Article Pages 50-56

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 Pages 38-49

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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Research Article Pages 22-28

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 Pages 8-21

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 Pages 1-7

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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