module ix: weeds and weed control

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Module IX: Weeds and Weed Control Lesson 1: Weeds and Weed Competition in Chili Pepper Unit 1: Weed Competition in Chili Pepper After completing 3 Units in this Lesson, you have learned to answer: 1. Why weed control is important in chili crop? 2. When is the critical period for weed competition in chili crop? 3. Name few important broadleaf weeds in chili crop? 4. Name few important grass weeds in chili crop? 5. Name few important sedges that compete with chili crop?

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Unit 1: Weed Competition in Chili Pepper. After completing 3 Units in this Lesson, you have learned to answer: Why weed control is important in chili crop ? When is the critical period for weed competition in chili crop ? Name few important broadleaf weeds in chili crop ? - PowerPoint PPT Presentation

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Page 1: Module IX: Weeds and Weed Control

Module IX: Weeds and Weed ControlLesson 1: Weeds and Weed Competition in Chili Pepper

Unit 1: Weed Competition in Chili PepperAfter completing 3 Units in this Lesson, you have learned to answer:

1. Why weed control is important in chili crop?2. When is the critical period for weed competition in

chili crop?3. Name few important broadleaf weeds in chili crop?4. Name few important grass weeds in chili crop?5. Name few important sedges that compete with

chili crop?

Page 2: Module IX: Weeds and Weed Control

Module IX: Weeds and Weed ControlLesson 1: Weeds and Weed Competition in Chili Pepper

Unit 1: Weed Competition in Chili Pepper

Chili pepper being mainly grown during rainy season encounters several weeds which grow luxuriantly and dominate during this season as compared to rabi/summer season.

Weeds in youngChili pepper

Page 3: Module IX: Weeds and Weed Control

Module IX: Weeds and Weed ControlLesson 1: Weeds and Weed Competition in Chili Pepper

Unit 1: Weed Competition in Chili Pepper

Weeds in chili pepper crop compete with the crop for nutrients, water, and light as with other crops.

Weeds are more competitive when moisture is limiting and especially under drought situation.

When young, chili pepper does not compete well with weeds.

Weeds in youngChili pepper crop

Page 4: Module IX: Weeds and Weed Control

Module IX: Weeds and Weed ControlLesson 1: Weeds and Weed Competition in Chili Pepper

Unit 1: Weed Competition in Chili Pepper

Unless good weed control is achieved, substantial yield losses will occur. Yield loss of more than 70% due to weeds compared to weed free crop was reported from weed control experiments.

Weeds free young chili pepper crop

Page 5: Module IX: Weeds and Weed Control

Module IX: Weeds and Weed ControlLesson 1: Weeds and Weed Competition in Chili Pepper

Unit 1: Weed Competition in Chili Pepper

It was found necessary to keep the crop weed free from 15 to 40 days after sowing.

Weed competition is critical during second to third fortnight after sowing.

Weeds free young chili pepper crop