ISSN: 0973-7510

E-ISSN: 2581-690X

Open Access
Dujeshwer Kurrey1 , Rajendra Lakpale1 and Rahul Singh Rajput2
1Department of Agronomy, Indira Gandhi Krishi Vishwavidyalaya., Raipur – 492 012, India.
2Department of Plant Pathology, Indira Gandhi Krishi Vishwavidyalaya., Raipur – 492 012, India.
J Pure Appl Microbiol. 2016;10(4):2931-2935
https://doi.org/10.22207/JPAM.10.4.59 | © The Author(s). 2016
Received: 13/06/2016 | Accepted: 19/09/2016 | Published: 31/12/2016
Abstract

A field experiment was conducted at Research Farm of IGKV, Raipur during Kharif 2013 to evaluate the combined effect of herbicide and insecticide on growth, nodulation and Rhizobium population in soybean. All the herbicidal treatments recorded significantly at par to improving growth characters viz. LAI, CGR and RGR. Highest Nodule number (74.2 plant-1) and nodule dry weight (74.2 mg plant-1) was resulted by Quizalophop ethyl 5 EC @ 1.0 l ha-1 as sole or combination with insecticides. Whereas all the pesticidal treatments found negative impact on microbial count which was recorded superior (62.1 x106 g-1 soil) under Untreated Check. The highest seed yield (2323 kg ha-1), stover yield (2943 kg ha-1), net income (63655 ¹ /ha) and B:C ratio (3.09) was recorded under Imazathapyr 10 SL@1.0 l ha-1.

Keywords

Herbicide, Insecticide, Soybean, nodulation and Rhizobium.

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