Management of Sunflower Necrosis and Sunflower Leaf Curl Diseases by Using Insecticides

Poornima *

AICRP (Sunflower), MARS, UAS, Raichur-584 104, Karnataka, India.

Vijaykumar N. Ghante

AICRP (Sunflower), MARS, UAS, Raichur-584 104, Karnataka, India.

Vikas V. Kulakarni

AICRP (Sunflower), MARS, UAS, Raichur-584 104, Karnataka, India.

Umesh M.R.

AICRP (Sunflower), MARS, UAS, Raichur-584 104, Karnataka, India.

*Author to whom correspondence should be addressed.


Abstract

A field experiment on management of Sunflower Necrosis and Sunflower Leaf Curl disease was conducted for three years during rabi season at Main Agricultural Research Station, Raichur. The experiment was planned with seven treatments (six insecticides and one untreated) in three replications for three successive years i.e., rabi 2016-17, 2017-18 and 2018-19. The insecticides used were imidacloprid 17.8 SL, fipronil 5 SC, triazophos 40 EC, diafenthiuron 50 WP, flonicamid 50 WG and spiromesifen 24 SC. For six treatments (T1 to T6) seed treatment was done with imidacloprid 600 FS and for T7 was maintained without seed treatment. Pooled analysis revealed that the treatment T4 :(Seed treatment with imidacloprid 600 FS@ 5ml/kg seed+ foliar spray with Flonicamide 50WG @ 0.25g/l at 30, 45 and 60 DAS recorded the lesser Sunflower necrosis and Sunflower leaf curl incidence of 4.21% and 4.54% respectively with higher yield of 1630 kg/ha, which is followed by the treatment T5 : (Seed treatment with imidacloprid 600FS @ 5ml/kg seed + foliar spray with Diafenthiuron 50 wp  @ 1gm/lit at 30, 45 and 60 DAS) recorded Sunflower necrosis and Sunflower leaf curl incidence of 6.34% and 7.06% respectively with higher yield of 1560 kg/ha and both were at par. Both the treatments recorded B:C ratio of 1.76 and 1.59 respectively. Higher incidence of Sunflower necrosis and Sunflower leaf curl 10.70% and 18.46% respectively and lower yield of 968.4 kg/ha was recorded in untreated control.

Keywords: Sunflower necrosis, sunflower leaf curl, sunflower, management, insecticide


How to Cite

Poornima, Vijaykumar N. Ghante, Vikas V. Kulakarni, and Umesh M.R. 2024. “Management of Sunflower Necrosis and Sunflower Leaf Curl Diseases by Using Insecticides”. Journal of Experimental Agriculture International 46 (7):15-21. https://doi.org/10.9734/jeai/2024/v46i72552.

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