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Title: Effect of superphosphate, urea and bioinoculants on Zinnia elegans Jacq.
Authors: Saini, Ishan
Yadav, Vinod K
Aggarwal, Ashok
Kaushik, Prashant
Keywords: Arbuscular mycorrhizal fungi (AMF);Chemical fertilizers;Floral yield;Flowering
Issue Date: Oct-2020
Publisher: NISCAIR-CSIR, India
Abstract: Current agricultural practices depend heavily on chemical inputs, and their overuse seriously contaminates the soil health. Microbial bioinoculants are emerging as an effective greener replacement for chemical fertilizers. These bioinoculants are beneficial for plant growth and also diminishes pathogenicity. Here, we explored three microbial inoculants along with commonly used fertilizers, i.e., Superphosphate (SP) and Urea (UR) for their effectiveness on Zinnia elegans Jacq., that has considerable demand in the floral market. The experiment was conducted in three parts with recommended doses of fertilizers, low (half) doses, and high (double) doses in combination with Glomus mosseae (GM), Acaulospora laevis (AL) and Pseudomonas fluorescens (PF), as microbial inoculants. The consortium of microbial inoculants (GM+AL+PF) fed with the low dose of SP and UR gave the best results for growth parameters (Shoot and Root Length, Shoot and Root Weight), Floral traits (floral head number and diameter), mycorrhization pattern and for other physiological attributes (shoot phosphorus content, root phosphorus content, acidic phosphatase, alkaline phosphatase). Overall, the study establishes that microbial bioinoculants is a potential fertilizer supplement at the recommended dose supports optimum
Z. elegans growth.
Page(s): 730-737
ISSN: 0975-1009 (Online); 0019-5189 (Print)
Appears in Collections:IJEB Vol.58(10) [October 2020]

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