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| OFT Detail | |
| Assessment of chemical for Mustard Aphid management |
Title |
Assessment of chemical for Mustard Aphid management |
| Season & Year | Rabi - 2012-13 |
| Problem | Yield loss due to Aphid |
| Thematic Area | Insect Management/Plant Protection |
| Name of Technology | Imidaclorpid 17.85 % SL |
| Source of Technology | Assam Agriculture University Jorhat 2010 |
| Farmers Practice (T1) | No use of chemicals |
| Assessed Rec. Practice (T2) | Imidaclorpid 17.85% SL 3 ml/sprayer (15 lt of water) |
| Other information | Sowing 1st week of December Data recordred after 1 days of spray . 20gm a.i./hac |
| No. of Trials (Replication) | 04 |
| Treatment | Yield (q ha-1) |
% Increase in Yield | % Mortality /sq. m. | % Reduction in mortality | Net Income Rs/ha | B:C Ratio** |
| T1 | 5.26 | 54.95 | 17.26 | 67.55 | 5650 | 1:1.75 |
| T2 | 8.15 | 5.60 | 11475 | 1:2.3 | ||
| Result: Mustard Aphid management by chemical the average yield was 8.15 q/ha which is the best over 5.26 q/ha it means the use of Imidachlorpid 17.85% SL increases the yield 54.95% with Aphid population 5.60/cm2 and 17.26/ cm2 respectively. | ||||||
| Recommendations: Spray Imidaclorpid 17.8 SL 3 ml/ 15 lt of water during incidence of aphid. | ||||||
| Farmers Feedback : Farmer’s appreciated the chemical no aphid population found after 48 hrs of spray. | ||||||
| Photographs of OFT | |
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