Bio-efficacy of Biodynamic Applications against Sucking Pest of Black Gram (Vigna mungo L.) and Their Impact on Natural Enemies
Maneesha
Rajmata Vijayaraje Scindia Krishi Vishwa Vidyalaya, Gwalior, Madhya Pradesh, 474002, India.
S. G. Ghugal
JNKVV, College of Agricultue, Powarkheda, Narmadapuram, Madhya Pradesh, 461110, India.
Sunil
Lab Technician AICRP on Sugarcane Zonal Agricultural Research Station, Powarkheda, Narmadapuram, Madhya Pradesh, 461110, India.
Shraddha Tare
Department of Entomology, Jawaharlal Nehru Krishi Vishwa Vidyalaya, Jabalpur, Madhya Pradesh, 482004, India.
Balram Sapre
Department of Entomology, Jawaharlal Nehru Krishi Vishwa Vidyalaya, Jabalpur, Madhya Pradesh, 482004, India.
Dwarka
*
Jawaharlal Nehru Krishi Vishwa Vidyalaya, College of Agricultue, Panna, Madhya Pradesh, 488001, India.
Shruti Shukla
Department of Entomology, Jawaharlal Nehru Krishi Vishwa Vidyalaya, Jabalpur, Madhya Pradesh, 482004, India.
Pooja Sinha
College of Horticulture and Research Station Raigarh, Chhattisgarh, 496001, India.
S. B. Das
Jawaharlal Nehru Krishi Vishwa Vidyalaya, Jabalpur, Madhya Pradesh, 482004, India.
*Author to whom correspondence should be addressed.
Abstract
An experiment was conducted at Adhartal farm, Integrated Farming System unit, Jawaharlal Nehru Krishi Vishwa Vidyalaya, Jabalpur during kharif season 2022-23. Two spraying of brahmastra @ 45ml/L initiating on 21 DOC and repeated at 15 days interval was found to be most effective in reducing whitefly and jassid population and registered higher grain yield and also found to be most economic (1:16.53) followed by brahmastra @ 30ml/L (1:11.95), agniastra @ 45ml/L (1:9.31), agniastra @ 30ml/L (1:5.83), neemastra @ 45ml /L (1:5.39) and neemastra @ 30ml /L (1:3.45). The four biodynamics viz., brahmastra, agniastra, neemastra and dashparni ark were safe for potent predators (Lady bird beetles and spider).
Keywords: Agniastra, neemastra, brahmastra, dashparni, biodynamics