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<i>In Vivo</i>Sedative and Anxiolytic Activities of <i>Thunbergia erecta</i>(Acanthaceae) Leaves Activate Gamma-Aminobutyric Acid (GABA) Mediated Hyperpolarization in Swiss Albino Mice

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Pharmacology & Pharmacy 2019年第4期10卷 177-193页

作者： Anawara Begum abul hossen Ayasha Akter Moly Md.Mahbubur Rahman Bhuiyan Md.Shahed-Al-Mahmud Department of Pharmacy Stamford University BangladeshDhakaBangladesh Department of Pharmacy North South UniversityDhakaBangladesh Department of Pharmacy University of Asia PacificDhakaBangladesh Department of Pharmacy University of Development AlternativeDhakaBangladesh Department of Microbiology and Immunology School of MedicineTzu Chi UniversityTaiwan

Background: Thunbergia erecta (Acanthaceae) is the most abundant medicinal plant in different parts of Bangladesh where it is known as “nilghonta”. It has been used as traditional medicine for insomnia, depression and anxiety management. However, no scientific evidence of T. erecta belonging to neuropharmacological activity has been reported. The aim of present study was to investigate in vivo sedative and anxiolytic activities of methanol extract from the leaves of T. erecta in Swiss Albino mice. Methods: Sedative activity of METE was investigated using open field, hole cross and thiopental sodium-induced sleeping time test model whereas anxiolytic activity was screened by elevated-plus maze, light-dark box, hole-board and marble-burying test method in mice at 200 and 400 mg/kg doses. The acute toxicity study and phytochemical analysis of METE also carried out. Diazepam used as the positive control for the following behavioral pharmacology test. Results: METE exhibited significant (p Conclusion: The experimental result indicates T. erecta contains phytoconstituents that possess sedative and anxiolytic activity which traditionally used in insomnia, depression and anxiety management.

关键词： Thunbergia erecta Neuropharmacological Sedative Anxiolytic Phytoconstituents

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Yield and Fruit Quality of Tomato as Influenced by Calcium and Mulching in Rooftop Cultivation

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Agricultural Sciences 2019年第7期10卷 893-902页

作者： Md. abul Kalam Azad Mohammad Shafiqul Islam Md. Isrfil hossen Touria El-Jaoual Eaton Department of Crop Science and Technology Rajshahi University Rajshahi Bangladesh Cooperative Extension and Research Lincoln University of Missouri Jefferson MO USA

The experiment conducted in containers known as pot placed on rooftop of a building using noncalcareous grey terrace soil was carried out from October, 2012 to March, 2013 at Kazla, Motihar, Rajshahi, Bangladesh to investigate the influences of calcium and mulching practices on yield and fruit quality of tomato. The study was laid out in a split-split plot design with three replications. The trials comprised three factors: 1) three tomato varieties viz, BARI F1Tomato-5, BARI F1Tomato-6 and BARI F1Tomato-7;2) four levels of calcium (Ca) treatment (40 ppm, 60 ppm, 80 ppm, 120 ppm) and 3) mulching practices. Results of the experiment revealed that fresh yield of tomato was significantly increased by applying mulching practices due to conservation of soil moisture by mulches and therefore, reduced Ca-deficiency symptoms. The highest number of fruits per plant and fresh yield were obtained from the variety BARI F1Tomato-5. The same trend of yield and yield contributing parameters were likely to be better by using T3?treatment (80 ppm) than those of other treatments. In contrast, BARI F1Tomato-7 variety in control treatment without mulching practice gave poor quality and yield of tomato. Results suggested that BARI F1Tomato-5 variety receiving 80 ppm calcium treatment with mulching condition exposed better quality, yield and yield contributing characters of tomato. However, the T3?treatment (80 ppm) with mulching would be recommended as the best combination to grow BARI F1Tomato-5 for the farmers in Bangladesh.

关键词： Tomato Varieties Calcium Treatment Rice Straw Mulching Practices and Yield

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Generation of Virus Free Potato Plantlets through Meristem Culture and Their Field Evaluation

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American Journal of Plant Sciences 2020年第11期11卷 1827-1846页

作者： Md. abul Kalam Azad Zubaida Khatun Touria El-Jaoual Eaton Md. Isrfil hossen Md. Kamrul Haque Edward Binod Soren Department of Crop Science & Technology Rajshahi University Rajshahi Bangladesh Cooperative Extension and Research Lincoln University of Missouri Jefferson USA

Different aspects of micropropagation through meristem culture for the production of virus indexed source plants, in vitro tuberization and field evaluation of the in vitro regenerated plants were studied on four commercial cultivars of potato (Solanum tuberosum L.) viz., Diamant, Cardinal, Shilbilati and Lalpakri. The investigation was conducted at Rajshahi, Bangladesh from December 2010 to March 2012 to produce virus-free potato plantlets through meristem culture, shoot multiplications with root induction as well as their acclimatization and evaluation of morphological characters and tuber yield under field condition. Shoot tips of 25 - 30 day old field-grown plants of above mentioned four cultivars were used for meristem isolation. After isolation, meristems of these varieties of potato were cultured on “M” shaped filter paper bridge in Murashige and Skoog (MS) liquid medium. Four different treatments of media formulations viz. 0.1 mg/L KIN + 0.1 mg/L GA3, 0.1 mg/L KIN + 0.5 mg/L GA3, 0.5 mg/L KIN + 0.1 mg/L GA3 and 0.5 mg/L KI

关键词： Meristem Culture Micropropagation Potato Cultivars Plantlets Plant Growth Regulators

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Yield and Fruit Quality of Tomato as Influenced by Calcium and Mulching in Rooftop Cultivation

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Agricultural Sciences 2019年第7期

作者： Md. abul Kalam Azad Mohammad Shafiqul Islam Md. Isrfil hossen Touria El-Jaoual Eaton

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