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Effects of Tinospora tuberculata leaf methanol extract on seedling growth of rice and associated weed species in hydroponic culture

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Journal of Integrative Agriculture 2016年第7期15卷 1521-1531页

作者： Farzad Aslani abdul shukor juraimi Muhammad Saiful Ahmad-Hamdani Farahnaz Sadat Golestan Hashemi Md Amirul Alam Md abdul Hakim Md Kamal Uddin Department of Crop Science Faculty of Agriculture Universiti Putra Malaysia (UPM) Institute of Tropical Agriculture Universiti Putra Malaysia (UPM) School of Agriculture Science and Biotechnology Faculty of Bioresources and Food Industry Universiti Sultan Zainal Abidin Department of Land Management Faculty of Agriculture Universiti Putra Malaysia (UPM)

The study was conducted to evaluate the responses of rice and rice weed seedlings （barnyardgrass and weedy rice） at the three-leaf stage toTinospora tuberculata leaf methanol extract （3.12, 6.25 and 12.5 g L–1） under hydroponic culture. It shows that the leaf methanol extract had various degrees effects depending on target plant species and each tested index （biomass, root length, shoot length, transpiration volume, chlorophyla, chlorophylb and carotenoid contents）. The effec-tive concentration of the leaf extract capable of reducing 50% of rice growth was higher than those of target weed species. Moreover, the root length was more tolerant to leaf methanol extract in comparison to the other plant parameters measured. A greater reduction was observed in chlorophyla content compared to chlorophylb and carotenoid. The results revealed that the reduction of transpiration volume closely coincided with the magnitude of growth inhibition of tested plants. Ultra-fast liquid chromatography analysis revealed 11 of 32 peaks in chemical proifle, including benzoic acid, caffeic acid, chlorogenic acid, isoorientin, isovitexin, orientin,p-anisic acid, syringic acid,trans-cinnamic acid,trans-ferulic acid, and vitexin have the same retention time with those peaks of the extract. The amount of compounds was present in the range of between 4817 and 115.5 mg kg–1 dry weight （DW）. The concentration-response bioassay of al 11 individual compounds and their equimolar mixture against the seeds of barnyardgrass revealed their contribution in the alelopahic activity ofT. tuberculata leaf extract. The examined compounds and their combination exhibited various degrees of growth inhibitory effects on the early growth of barnyardgrass. Therefore, the speciifc number, concentration, combination and inhibitory activity of bioactive compounds leads to alelopathy activity ofT. tuberculata leaves which could be employable directly as a natural herbicide and its growth inhibitor compounds can be used

关键词： alelochemicals identiifcation and quantiifcation natural herbicide UFLC weed control

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Clinacanthus nutans:a review of the medicinal uses,pharmacology and phytochemistry

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Asian Pacific Journal of Tropical Medicine 2016年第4期9卷 393-399页

作者： Md.Ariful Alam Sahena Ferdosh Kashif Ghafoor Md.abdul Hakim abdul shukor juraimi Alfi Khatib Md.Zaidul I.Sarker Faculty of Pharmacy.International Islamic University Malaysia(IIUM) Kuantan Campus Faculty of Science International Islamic University Malaysia(IIUM).Kuantan Campus Department of Food Science and Nutrition King Saud University Institute of Tropical Agriculture University Putra Malaysia Department of Crop Science University Putra Malaysia

Clinacanthus nutans Lindau is known as snake grass belonging to the Acanlhaceae *** plant has diverse and potential medicinal uses in traditional herbal medicine for treating skin rashes,insects and snake bites,lesions caused by herpes simplex virus,diabetes,and gout in *** and *** investigations documented the varied contents of bioaclive compounds from litis plant namely flavonoids,glycosides,*** and *** pharmacological experiment proved that various types of extracts and pure compounds from this species exhibited a broad range of biological properties such as anti-inflammatory,antiviral,antioxidant,and anti-diabetic *** lindings of toxicity study showed that extracts from this plant did not show any toxicity thus it can be used as strong therapeutic agents for specific diseased ***,further experiments on chemical components and their mode of action showing biological activities are required to elucidate the complete phytochemical profile and assess to confirm their suitability tor future *** review summarizes the medicinal uses,phytochemistry and pharmacology of this plant in order to explore its therapeutic potential and gaps necessitating for prospected research work.

关键词： Clinacanthus nutans Medicinal uses Phytochemicals Pharmacology Therapeutic potential

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Molecular characterization of sweet potato(Ipomoea batatas[L.]Lam)germplasms for desirable traits by using simple sequence repeats markers

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BIOCELL 2023年第1期47卷 227-237页

作者： KHANDAKAR ABUMDMOSTAFIZAR RAHMAN abdul shukor juraimi MDREZWAN MOLLA MUHAMMAD ASYRAFMD HATTA ZULKEFLY BIN SULAIMAN SHAMIMA SULTANA AHMED GABER BENUKAR BISWAS AKBAR HOSSAIN Tuber Crop Research Centre Bangladesh Agricultural Research InstituteGazipur1701Bangladesh Department of Crop Science Faculty of AgricultureUniversiti Putra MalaysiaUPMKuala Lumpur43400Malaysia Plant Genetic Resources Centre Bangladesh Agricultural Research InstituteGazipur1701Bangladesh Department of Agriculture Technology Faculty of AgricultureUniversiti Putra MalaysiaUPMKuala Lumpur43400Malaysia Regional Agricultural Research Station Bangladesh Agricultural Research InstituteCumilla3500Bangladesh Department of Biology College of ScienceTaif UniversityTaif21944Saudi Arabia Department of Agronomy Bidhan Chandra Krishi ViswavidyalayaNadiaWB741252India Division of Agronomy Bangladesh Wheat and Maize Research InstituteDinajpur5200Bangladesh

Every breeding program that aims to create new and improved cultivars with desired traits mostly relies on information related to genetic ***,molecular characterization of germplasms is important to obtain target cultivars with desirable *** potato[Ipomoea batatas(L.)Lam]is widely considered the world’s most important crop,with great diversity in morphological and phenotypic *** genetic diversity of 20 sweet potato germplasms originating from Bangladesh,CIP,Philippines,Taiwan,and Malaysia were compared,which was accomplished by genetic diversity analysis by exploring 20 microsatellite DNA markers for germplasm characterization and *** information was effective in differentiating or clustering the sweet potato genotypes.A total of 64 alleles were generated using the 20 primers throughout the 20 germplasm samples,with locus IBS97 having the highest number of alleles(5),whereas locus IbU33 had the fewest alleles(2).The alleles varied in size from 105(IbU31)to 213 base pairs(IBS34).The Polymorphism Information Content(PIC)values for the loci IbL46 and IBS97 varied from 0.445 to ***97 has the highest number of effective alleles(3.704),compared to an average of *** average Shannon’s diversity index(H)was 1.003,ranging from 0.673 in IbU3 to 1.432 in *** value of gene flow(Nm)varied between 0.000 and 0.005,with an average of 0.003,whereas genetic differentiation(FST-values)ranged between 0.901 and *** sweet potato germplasm included in this study had a broad genetic ***1 ***9 and SP12 ***18 germplasm pairings had the greatest genetic distance(GD=0.965),while SP1 ***2 germplasm couples had the least genetic diversity(GD=0.093).Twenty genotypes were classified into two groups in the UPGMA dendrogram,with 16 genotypes classified as group“A”and the remaining four genotypes,SP10,SP18,SP19,and SP20,classified as group“B.”According to cluster analysis,the anticipated heterozygosity(gene diversity)of Nei

关键词： Sweet potato Simple sequence repeats(SSRs) Genetic diversity Dendrogram

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Allelopathy of Medicinal Plants: Current Status and Future Prospects in Weed Management

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Agricultural Sciences 2018年第12期9卷 1569-1588页

作者： A. K. M. Mominul Islam Sabina Yeasmin Jamal Ragheb Said Qasem abdul shukor juraimi Md. Parvez Anwar Weed Management Laboratory Department of Agronomy Bangladesh Agricultural University Mymensingh Bangladesh Department of Agronomy Bangladesh Agricultural University Mymensingh Bangladesh Department of Plant Protection Faculty of Agriculture University of Jordan Amman Jordan Department of Crop Science University of Putra Malaysia Serdang Malaysia

An attempt has been made in this article to accumulate and elucidate the literatures about the allelopathic potentiality of medicinal plants, and its role on the development of bio-herbicides for eco-friendly weed management strategies to conserve bio-diversity and ecological balance. This review paper has been prepared by comprehensive studies of various published research articles, books and proceedings available in the world literature. The farmers of different countries use several weed management techniques in order to minimize the deleterious effect of weeds. Among them most commonly used practice is application of herbicides due to its high efficacy and cost effectiveness, less time-consuming nature, flexibility and easy accessibility, and more rapid out return. Although use of synthetic herbicides in the crop fields has increased the crop production as well as the productivity by reducing the weed infestation, over time it causes a number of environmental hazards. Hence, to avoid these detrimental effects of synthetic herbicide, a lot of efforts have been dedicated by the researchers to search the novel natural plant products mainly allelochemicals and try to apply them as a tool for the development of bio-degradable natural herbicides. This paper intended to reflect the current state of allelopathic medicinal plants and their potentiality to develop eco-friendly and natural product-based herbicides for sustainable agriculture, and to invite further debate on this issue.

关键词： Allelochemicals Medicinal Plants Natural Products Bio-Herbicides Sustainable Weed Management

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