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Chapter 13: Problem 9

What are the four steps in IPM? Explain how IPM worked in Indonesia.

Short Answer

Expert verified
The four stages of Integrated Pest Management (IPM) are: Perception, Risk Assessment, Action, and Monitoring. In Indonesia, this approach has been successful in controlling the population of brown planthoppers in rice farming, through the use of pest-resistant rice varieties, introduction of natural predators, controlled pesticide use, and regular monitoring. The training of farmers also played a significant role in the successful implementation of IPM.

Step by step solution

01

Description of IPM

Integrated Pest Management (IPM) is a systematic strategy for managing pests which considers prevention, avoidance, monitoring and suppression. Whenever feasible, IPM employs physical, mechanical, and biological controls.
02

Four Steps in IPM

The four steps in IPM can be broken down as follows: Perception - Understand the type and nature of the pest. Risk Assessment - Assess the likelihood of the pest causing significant problems. Action - Take steps to either eradicate, contain, or manage the pest population. Monitoring - Keep a constant check on the pest population and assess the success of the actions taken.
03

IPM in Indonesia

In Indonesia, IPM had a significant impact on rice farming. Here is a likely scenario: Perception - The problem with brown planthoppers was identified. Risk Assessment - It was determined they could cause significant damage to the rice crops. Action - A combination of pest-resistant rice varieties, natural predators, and controlled pesticide use was used. Monitoring - Regular checks ensured the pest population remained contained.
04

Explanation of Success

The success of IPM in Indonesia can be attributed to the farmer's training, use of pest-resistant varieties, and the introduction of natural predators, which helped keep the pest population in check without dependence on synthetic pesticides. More importantly, IPM empowered farmers to make informed decisions based on their observations.

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