Evaluation   of herbicides for efficient weed management in linseed (Linum usitatissimum L.)

J. S.   SACHIN; N.   ANANDA; B. M.  CHITTAPUR; M. R.     UMESH; H.  VEERESH

J. S. SACHIN Department of Agronomy, College of AgricultureUniversity of Agricultural Sciences, Raichur - 584 104, Karnataka, India
N. ANANDA Department of Agronomy, College of AgricultureUniversity of Agricultural Sciences, Raichur - 584 104, Karnataka, India
B. M. CHITTAPUR Department of Agronomy, College of AgricultureUniversity of Agricultural Sciences, Raichur - 584 104, Karnataka, India
M. R. UMESH Department of Agronomy, College of AgricultureUniversity of Agricultural Sciences, Raichur - 584 104, Karnataka, India
H. VEERESH Department of Agronomy, College of AgricultureUniversity of Agricultural Sciences, Raichur - 584 104, Karnataka, India

Keywords: Bio-efficacy, Herbicide, Linseed, Phyto-toxicity

Abstract

A field experiment was conducted during rabi, 2020-21 at MARS, UAS Raichur to study the bio-efficacy ofherbicides in linseed (Linum usitatissimum L.). The study revealed The results revealed that application of pendimethalin38.7 % CS @ 750 g a.i. ha-1 as pre-emergence fb metsulfuron methyl 20 % WP @ 4 g a.i. ha-1 at 2-3 leaf stage of weeds aspost-emergence was found effective in controlling the weeds with higher growth and yield components consequently higheryield and net returns in linseed that weed free check recorded higher plant height (53.4 cm) at 60 DAS, number of primarybranches per plant (4.7) at 60 DAS,number of capsules per plant (44.93), number of seeds per capsule (8.60) whichresulted in higher seed yield (957 kg ha-1) and net returns (`32068)as compared to other treatments. In contrast weedycheck treatment recorded significantly lower seed yield, with gross/net returns and B:C ratio