Endorhizal Fungal Association and Colonization Patterns in Solanaceae

T. Muthukumar, R. Sathya
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引用次数: 6

Abstract

The Solanaceae family includes plants of high economic and medicinal value. Information on endorhizal associations in Solanaceae is limited. We investigated arbuscular mycorrhizal (AM) and dark septate endophyte (DSE) fungal associations in 20 solanaceous plant species (7 genera) taken from one or more sites, measuring the percentage of root length colonized in plants having different AM and DSE fungal structures. Root samples of all the plant species examined had AM fungal structures, and DSE fungal colonization was found in 80% of the plant species. Total AM and DSE fungal colonization and root length of plants with different fungal structures varied significantly between species. Significant between-site variation was found for root length in plants with fungal structures in Lycopersicon esculentum Mill., Capsicum annuum L., Datura metel L., Solanum melongena L., S. nigrum L., S. trilobatum L. and S. torvum SW. AM morphology was predominantly intermediate-type (60%), followed by Paris-type (30%). Solanum melongena and S. nigrum at different sites had Paris-type or intermediate AM morphology. DSE fungal colonization also exhibited significant between-site variation in Capsicum frutescens, C. annum, Datura metel, Solanum melongena, S. trilobatum and S. nigrum. We found a significant negative correlation between AM and DSE fungal colonization.
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茄科植物内生真菌的联合与定殖模式
茄科植物包括具有较高经济价值和药用价值的植物。关于茄科植物内部共生的信息是有限的。我们研究了取自一个或多个地点的20种茄科植物(7属)的丛枝菌根(AM)和暗隔内生菌(DSE)真菌组合,测量了在具有不同AM和DSE真菌结构的植物中定殖的根长百分比。所检查的所有植物物种的根样本都具有AM真菌结构,并且在80%的植物物种中发现DSE真菌定殖。具有不同真菌结构的植物的总AM和DSE真菌定殖和根长在不同物种之间存在显著差异。在Lycopersicon esculentum Mill。,辣椒属(Capsicum annuum L.)、曼陀罗属(Datura metel L.)、茄属(Solanum melongena L.)、黑胡椒属(S.nigrum L.)、三叶草属(S.trilobatum L.)和香茅属(S.torvum SW)。AM形态以中间型为主(60%),其次为Paris型(30%)。不同部位的龙葵和黑葵具有Paris型或中间AM形态。在辣椒、C.year、曼陀罗、茄、三叶草和黑胡椒中,DSE真菌定殖也表现出显著的位点间变异。我们发现AM和DSE真菌定殖之间存在显著的负相关。
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审稿时长
16 weeks
期刊介绍: Polish Botanical Journal is an international journal publishing original papers covering various aspects of vegetation science, plant and fungi biodiversity, biosystematics (including plant anatomy, cytology and embryology), phytogeography, evolution and ecology. All papers are considered by at least two reviewers. Polish Botanical Journal is issued twice per year. The two issues form one annual volume.
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