tailieunhanh - Effect of chemical control for the management of barley aphid (Rhopalosiphum maidis) in Hanumangarh district of Rajasthan

A field experiment was conducted to investigate that the refined technology of effect of chemical control for the management of barley aphid (Rhopalosiphum maidis) on the yield attributes of barley in Hanumangarh District of Rajasthan. Result showed that the refined technology of T2: Spray of Thiomethoxam 25 WG @ gm per litre of water highest average grain yield was recorded ( qtl per ha), highest average net returns (Rs. 21,898 per ha) and highest average B: C ratio () was recorded as compared to T1 and farmers practice. | Effect of chemical control for the management of barley aphid Rhopalosiphum maidis in Hanumangarh district of Rajasthan