Influence of Microbial Consortium in the Production of China Aster and Gaillardia Seedlings

Q3 Agricultural and Biological Sciences Journal of Horticultural Research Pub Date : 2020-12-01 DOI:10.2478/johr-2020-0026

M. Fernandez, Nikhil Sai Nachu, Ashwin Revanna, J. Bagyaraj

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Abstract

Abstract China aster and gaillardia are flowering plants with high economic importance in floriculture. In the present investigation, response of China aster and gaillardia seedlings to inoculation with the arbuscular mycorrhizal fungus Funneliformis mosseae + the plant growth-promoting rhizobacterium Bacillus sonorensis was studied by growing in multipots (pro trays). The germination percentage and plant growth parameters: length of shoots, roots and whole seedlings, stem diameter, biovolume index, plant strength, vigor index, dry weight and nutrient uptake, were analyzed 60 days after sowing. The microbial parameters, mycorrhizal root colonization and spore count, and the population of B. sonorensis in the substrate were also determined. The results brought out that growth of inoculated seedlings was significantly improved as compared to uninoculated seedlings. Based on the plant growth and microbial parameters studied, it was concluded that inoculating the substrate in pro trays with the microbial consortium results in producing vigorously growing seedlings.

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微生物群落对紫菀和盖拉迪亚幼苗生产的影响

摘要紫菀和盖拉属开花植物在花卉栽培中具有重要的经济价值。本研究采用多盆(亲盘)培养法，研究了紫菀和盖拉尔氏菌对丛枝菌根真菌莫塞漏斗菌+植物生长促进根细菌索诺芽孢杆菌接种的反应。分析播后60 d的发芽率和植株生长参数:芽长、根长、全苗长、茎粗、生物体积指数、植株强度、活力指数、干重和养分吸收量。测定了培养基中的微生物参数、菌根定植量和孢子数以及索诺氏白僵菌的数量。结果表明，与未接种苗相比，接种苗的生长明显改善。通过对植物生长和微生物参数的研究，得出了用微生物联合体接种培养皿的结果，可以产生旺盛生长的幼苗。

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