Isaac Scientific Publishing

Annals of Advanced Agricultural Sciences

Effect of Stimplex® on Yield Performance of Tomato in Organic Management System

Download PDF (217.4 KB) PP. 11 - 15 Pub. Date: August 14, 2017

DOI: 10.22606/as.2017.11002

Author(s)

  • Varinder Sidhu
    Department of Agricultural and Environmental Science, College of Agriculture, Human and Natural Sciences, Tennessee State University, Nashville, TN, USA
  • Dilip Nandwani*
    Department of Agricultural and Environmental Science, College of Agriculture, Human and Natural Sciences, Tennessee State University, Nashville, TN, USA

Abstract

Seaweed extracts are used as biostimulant or biofertilizers in agriculture to enhance plant yield and improve growth and development in plants. In this study, the effect of Stimplex®, liquid seaweed extract made from Ascophyllum nodosum as a biostimulant on the yield performance and growth of tomato (Lycopersicum esculentum) in open field was investigated. Tomato plants were treated weekly with 2.5 v/v % Stimplex® crop bio-stimulant Stimplex® as foliar application for 3 consecutive weeks during vegetative growth phase. Results showed that Stimplex® treated plants produced improved yield in Black Cherry (1.67%) and German Johnson (4.52%) cultivar but underperformed in cultivar Brandywine (2.44%) and Roma (4.58%) than the controls. However, Stimplex® treatment effect on yield has been small and difference was non-significant. Stimplex® treated plants showed tolerance to Septoria leaf spot and Sclerotinia stem rot diseases.

Keywords

Biostimulant, vegetable, production, sustainable, yield

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