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Studies in Fungi 2020年第1期5卷 84-93页

作者： Sarma P Dkhar MS Kayang H Kumar M Dubey NK Raghuwanshi R Microbial Ecology Laboratory Department of BotanyNorth Eastern Hill UniversityShillong793022 Department of Botany Banaras Hindu UniversityVaranasi221005 Department of Botany Mahila MahavidyalayaBanaras Hindu UniversityVaranasi221005

Twenty eight strains of endophytic fungi including sterile mycelia were isolated from the leaf,rhizome and roots of Hedychium spicatum Ham *** of the endophytic fungi isolated belonged to the phylum Ascomycota which accounted of about 84%.The endophytic assemblage was dominated by the class *** fungal genera such as Fusarium and Penicillium were found to be common to all the plant *** of endophytic fungi was found to be highest in the roots(H’=2.43).Mucor hiemalis,Penicillium sp.,Penicillium expansum,***,Phoma medicaginis,Trichoderma *** *** showed above 60%inhibition against the phytopathogen Alternaria solani.

关键词： colonization frequency diversity index percentage inhibition

Diversity and endophytic fungal composition in Ananas comosus(L.)*** queen cultivar isolated from three different growing conditions

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Studies in Fungi 2020年第1期5卷 310-319页

作者： Bhattacharya S Debnath S Saha AK Department of Botany M.B.B.CollegeAgartala-799004TripuraIndia Mycology and Plant Pathology Laboratory Department of BotanyTripura UniversitySuryamaninagar-799022TripuraIndia

Present study deals with the isolation of endophytic fungi from leaf and root explants of Ananus comosus var queen from three growing conditions ***,cultivated as monoculture and cultivated as mixed cropping system with rubber plants.A total of twenty-nine endophytic fungal strains along with two nonsporulating forms were isolated from the host plant from three experimental *** maximum numbers of fungal strains were found belong to family Aspergillaceae and order *** highest rates of colonization and isolation(pfrequency was observed among isolated fungal strains in the case of Lasiodiplodia theobromae isolated from the leaf and root of wild(26.22%)and monoculture(29.62%)*** *** and Aspergillus flavus,isolated from the leaf and roots of wild(21.66%)and monoculture(14.66%)explants showed the highest colonization *** findings showed that the distribution of fungal endophytes and their relative frequency in host plants vary in three different growing conditions.

关键词： colonization frequency Fungal endophytes Mixed cropping Monoculture Pineapple

Endophytic fungal diversity of endemic carnivorous plant Nepenthes khasiana in Meghalaya,India

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Studies in Fungi 2021年第1期6卷 138-150页

作者： Naseem F Kayang H Microbial Ecology laboratory Department of BotanyNorth Eastern Hill UniversityShillongMeghalaya-793022India

The present investigation deals with the isolation of endophytic fungi from leaf,stem,root and pitcher cup tissue segments of the endemic carnivorous plant Nepenthes khaisana collected from its natural habitat for a period of one year at monthly *** of 576 tissue segments inoculated,a total of 39 fungal endophytes along with mycelia sterilia were isolated from the host *** assess the diversity of fungal endophytes,the colonization frequency(%CF)was first recorded using past software and MS *** fungal isolates were mainly composed of the phylum Ascomycota,followed by Zygomycota and *** highest percentage colonization frequency on an average of three replicates were recorded in pitcher cup tissues followed by root,stem and least was recorded in leaf of the host *** the isolates,Globisporangium irregulare(83.33%)showed high%CF in leaf,Juxtiphoma eupyrena(83.33%)reported to have maximum%CF in the stem,Talaromyces ruber(66.66%)was recorded high%CF in root and mycelia sterilia(white)were showed the highest%CF in the segments of *** diversity index analyses of Shannon-Weiner,Simpson’s index,species richness and species evenness of diversity showed that leaf of *** has the highest diversity than the other parts of the ***,with the help of the present finding,we conclude that the distribution of fungal endophytes and their%colonization frequencies vary within different tissues of the host plant and thus,this confirms tissue specificity nature of endophytic fungi.

关键词： colonization frequency Diversity indices Natural habitat Pitcher plant Tissue specificity

Diversity of endophytic fungi associated with the medicinally important aromatic plant Gaultheria fragrantissima

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Studies in Fungi 2018年第1期3卷 309-320页

A total of thirty three(33)endophytic fungi including sterile mycelia were isolated from the leaf,stem and roots of medicinally important aromatic plant Gaultheria *** of the fungi belonged to the phylum *** total percentage colonization frequency(%CF)of each endophytic fungal species was calculated of which Juxtiphoma eupyrena showed highest colonization frequency(20.14%)in the leaf whereas Globisporangium irregulare was found to have highest colonization frequency in the stem(14.58%)and in the roots,Trichoderma viride was observed to have the highest colonization frequency of 21.43%.Diversity of endophytic fungi in the roots was found to be higher as compared to the other plant tissues.

关键词： colonization frequency endophytic fungi Jaccards’s index relative abundance

Diversity of endophytic fungi from the ornamental plant-Adenium obesum

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Studies in Fungi 2016年第1期1卷 34-42页

作者： Meenatchi A Ramesh V Bagyalakshmi Kuralarasi R Shanmugaiah V Rajendran A Department of Botany Virudhunagar Hindhu Nadar Senthikumara Nadar CollegeVirudhunagar-626001 Department of Botany Vivekananda CollegeTiruvedakam WestMadurai-625234 Department of Microbial Technology School of Biological SciencesMadurai Kamaraj UniversityMadurai-625021Tamil NaduIndia1

Endophytic fungi live internally in apparently healthy and asymptomatic *** are ubiquitous;no study has yet shown the existence of a plant species without *** species diversity is another characteristic of endophytic *** is quite common for endophyte surveys to find assemblages consisting of more than 30species per host plant *** the present study,179 isolates were obtained from leaf,stem,and tissues of Adenium obesum collected from Virudhunagar,*** endophytic fungi were identified based on the colony morphology and sporulating *** sp.(28.5%),Aspergilus breviceps(30%),Colletotrichum gloeosporioides(23%)and Scorpulariopsis brevicalis(17%)were the most dominant *** colonization frequency was higher in the winter *** hymanaeae was isolated from leaf tissues during the summer and winter *** was the predominant genus isolated from all of leaf,stem and bark tissues of Adenium obesum.

关键词： Adenium obesum colonization frequency endophytes seasonality