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Integrated Pest Management in Rice: Efficacy of Insecticides, Fungicides, and Herbicides

This presentation highlights research conducted on pest control in rice cultivation in Kenya. Rice (Oryza sativa) ranks as the third essential food crop in the country, but production is impaired by poor management and monoculture, leading to significant losses due to pests, diseases, and weeds. Field trials assessed the efficacy of various insecticides, fungicides, and herbicides, with promising results for products like East trap 4G. Recommendations include 15-20 kg/ha of East trap 4G for optimal control of rice pests, thus enhancing yields and improving management strategies.

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Integrated Pest Management in Rice: Efficacy of Insecticides, Fungicides, and Herbicides

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  1. POSITIVE PRODUCTS FOR CONTROL OF INSECT PESTS , DISEASES AND WEEDS IN RICE(Dr RK Wanjogu and CM Kambo) Presentation during the NIB / Collaborators research findings Workshop, Kenya School of Monetary Studies, 3rd to 4th July, 2014.

  2. Introduction • Rice (Oryzae sativa) is the third most important food crop in Kenya after maize and wheat • National rice consumption is estimated at 400,000 metric tonnes • Annual production range of 45,000 to 80,000 metric tonnes • Low production is caused mainly by poor natural resource management • And continuous monoculture leading to accumulation of, weeds, diseases and insect pests

  3. PADDY FIELD

  4. Objectives • To evaluate the efficacy of 6 selected Insecticides against rice pests • To evaluate the efficacy of 4 selected Fungicides against weeds paddy fields • To evaluate the efficacy of 5 selected Herbicides against weeds paddy fields

  5. Justification • Target pests: Insect pests, diseases and weeds • If uncontrolled, may cause upto 100% yield losses • Evaluation of pest control products should be a continuous processes • For effective pesticide resistance management insecticide screening is necessary

  6. Materials and methods • Field experiments : Conducted at MIAD Research Centre between 2012 and 2014 • Rice variety, Basmati 370 was planted at a spacing of 15 cm x20 cm • Plot size – 5m by 1 m : In RCBD with 4 replicates • Treatments: 5 including, Local check & untreated control

  7. Example: East trap 4G

  8. Efficacy of East trap 4G against Rice pests

  9. Recommendation • East trap 4G at the rate of 15 kg to 20 kg per hectare effectively controlled the shoot borers, root borers, leaf folders and gall midges in rice fields. • In addition, significantly more tillers were recorded in plots treated with East trap 4G at 20 kg ha-1 and Cyclone 505 EC 1.0 L ha-1 (Local check) as compared to the untreated control plots • East trap 4G at 20 kg ha-1 recorded significantly taller plants as compared to the local check and untreated control plots • Two season results: East trap4G at 15-20 kg ha-1 may be recommended for the control of shoot borers, root borers, leaf folders and gall midges in rice fields.

  10. RICE STEM BORER

  11. Cyperus difformis-weed

  12. Monocharia vaginalis-weed

  13. REPORTS SUBMITTED TO PCPB

  14. EFFICACY TRIAL IN PROGRESS

  15. Acknowledgement Director, KARI Managing Director-NIB NIB – MIAD staff Centre Director, KARI Mwea

  16. Thank You BUTTERLIES

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