| The study of integrated pest management was performed in two farmers’ marigold field namely Ms. Liab and Ms Somchom at Muang district, Khon Kaen province. Randomized Complete Block Design (RCBD) was used with three treatments and four replications. T1- farmers’ practice, T2- control (no application of any insecticide and fungicide) and T3- integrated pest management (using trichoderma and released the predator, Sycanus sp.). In Ms. Liab’s plots, neem extract was applied to control insect pest. The result showed the least flower damage (1.81 percent); the highest number of flowers (44,596) and profit of 25,383.4 Baht/rai in T3 which significant difference with T1. The T1 obtained the least number of flowers (35,131.6) and profit of 16,288.5 Baht/rai.... |
