Rice Black Bug and Its Management Options.pptx

Rice is susceptible to many pests, including planthoppers, stem borers, weevils, and other insects.

Knowing about rice pests is crucial for rice farmers to understand potential threats, enable timely and targeted prevention and control methods, and ultimately, maximize crop yields and food security.

The rice black bug (RBB) is a sap-sucking insect that attacks rice plants. It's a major pest in the Philippines, especially in the southern part.

1. Rice Black Bug (RBB)/ Malaysian Black Bug ( Scotinophara coarctata ) - Fabricus PhilRice Prepared by: E.R. SAGCELO

2. Seeing a spider is not a problem, but when it disappears. - Anonymous

3. Objectives: At the end of presentation, the participants will be able to: Discuss the Rice Black Bug and its Management Options .

4. ADULT EGGS NYMPH M ature adults are brownish black or shiny dark brown ; Nymph are light brown or yellow . Female guards the eggs until hatching. Strongly attracted to light. 3-5 days 25-30 days *Rice Technology Bulletin DA/PhilRice.2000 No. 1 What is Rice Black Bug ? Life Cycle ( 2 5 -35 days)

5. What is Rice Black Bug ? The damage resembles deadheart at vegetative stage and white heads at panicle stage ( s imilar to damage caused by stem borers ). Heavy infestation results to bug burn. RBB are sap suckers or sap feeding insect pests. PhilRice PhilRice

6. RBB Management Options Grow tolerant or resistant varieties . Synchronous planting. Sanitation - weeds serves as alternate hosts . Flooding.

7. Biological control – Telenomus triptus (egg parasitoids wasp) and Metarhizium anisoplie (green muscardine fungus). Light trapping . Chemical control – in case of heavy infestations, insecticide application may be necessary. RBB Management Options

8. How to assess damage due to RBB? ≥ 20 (nymph & adult)/hill; ≥ 20% whitehead (flowering to grain filling) ≥ 20% whitehead (maturity)

9. Our rupee may be less than a dollar but Our every seed of rice values more than a dollar. - Black Heart

10. THANK YOU !!!