Module IX: Weeds and Weed Control

Lesson 1: Weeds and Weed Competition in Chili Pepper

Unit 2: Weeds in Chili Pepper

After completing 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?

Module IX: Weeds and Weed Control

Lesson 1: Weeds and Weed Competition in Chili Pepper

Unit 2: Weeds in Chili Pepper

A variety of weeds are associated with chili pepper crop.

The type of weeds vary from place to place depending on soil type, season and environment where chili pepper is grown.

These weeds comprise of diverse plant species of annual grasses and seasonal broad leaved weeds.

Module IX: Weeds and Weed Control

Lesson 1: Weeds and Weed Competition in Chili Pepper

Unit 2: Weeds in Chili Pepper

Weed problems in grain chili pepper include perennial grasses such as Johnson grass and Bermuda grass, annual grasses such as Crabgrass and Goose grass, and many broadleaf weeds.

The list of major weeds that grow in ground crop are shown with their images in the following screens

Module IX: Weeds and Weed Control

Lesson 1: Weeds and Weed Competition in Chili Pepper

Unit 2: Weeds in Chili Pepper

Common broad-leaf weeds

Botanical name Common Name

Abutilon indicum Indian mallow

Alysicarpus sp. One-leaf clover

Argemone mexicana Mexican poppy

Celosia argentina White cock's comb

Click on the underlined word to see the weed image

Module IX: Weeds and Weed Control

Lesson 1: Weeds and Weed Competition in Chili Pepper

Unit 2: Weeds in Chili Pepper

Common broad-leaf weeds

Botanical name Common Name

Borreria articularis Button plant

Gynondropsis (Cleome) spp. Wild spider flower Digera arvensis Kundra Corchorus olitorius Jew's mallow

Click on the underlined word to see the weed image

Module IX: Weeds and Weed Control

Lesson 1: Weeds and Weed Competition in Chili Pepper

Unit 2: Weeds in Chili Pepper

Common broad-leaf weeds

Botanical name Common Name

Portulaca spp. Common purslane

Vernonia cinerea Little iron weed Leucas aspera Dronapushpi

Xanthium strumarium Cocklebur

Click on the underlined word to see the weed image

Module IX: Weeds and Weed Control

Lesson 1: Weeds and Weed Competition in Chili Pepper

Unit 2: Weeds in Chili Pepper

Common broad-leaf weeds

Botanical name Common Name

Anagallis arvensis Scarlet Pimpernel

Bidense pilosa Spanish needle Eclipta spp. False daisy

Ipomea spp Morning glory Click on the underlined word to see the weed image

Module IX: Weeds and Weed Control

Lesson 1: Weeds and Weed Competition in Chili Pepper

Unit 2: Weeds in Chili Pepper

Common broad-leaf weeds

Botanical name Common Name

Tridax procumbence Tridax daisy, wild daisy

Euphorbia spp. Spurge

Amaranthus spp. Pigweed Mollugo verticillata Carpet-weed

Click on the underlined word to see the weed image

Module IX: Weeds and Weed Control

Lesson 1: Weeds and Weed Competition in Chili Pepper

Unit 2: Weeds in Chili Pepper

Common grass (monocots) weeds

Botanical name Common Name

Chloris spp. Finger grass

Digetaria sanguinalis Crabgrass

Dactyloctenium aegyptium Crowfootgrass

Echinocloa spp. Barnyard grass

Click on the underlined word to see the weed image

Module IX: Weeds and Weed Control

Lesson 1: Weeds and Weed Competition in Chili Pepper

Unit 2: Weeds in Chili PepperCommon grass (monocots) weedsBotanical name Common NameCommelina spp. Benghal dayflower

Paspalum distichum Water couch

Eleusine indica Goose grass

Eragrostis spp. Love grass

Setaria spp. Foxtail

Cynodon dactylon Bermuda grass Click on the underlined word to see the weed image

Module IX: Weeds and Weed Control

Lesson 1: Weeds and Weed Competition in Chili Pepper

Unit 2: Weeds in Chili Pepper

Common sedges

Botanical name Common Name

Cyperus rotundus Purple nut sedge

Cyperus esculentus Yellow nut sedge

Cyperus defformis Nut sedge

Cyperus compressus Nut sedge

Click on the underlined word to see the weed image