PPT-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 Why weed control is important in . Developed by: . Susan Donaldson. University of Nevada Cooperative Extension. UNCE, Reno, Nev.. Topics to be covered. What is a weed?. Why worry about weeds?. How weeds are regulated?. Weed biology. Factors that lead to plant invasion. Jeffrey . Derr. Professor of Weed Science. Virginia . Tech. Charlottesville VVA talk 1/30/14. 2014 Pest Management Guides. Horticultural and Forest Crops. . http://. pubs.ext.vt.edu/456/456-017/456-017.html. ?. thorns. toxicity. release substances that trap insects. dense leaf hairs reduces transpiration.. Why are these characteristics important when controlling weeds? . Examples: . Thorns . make it hard to . September 27. , 2013. County Agent In-Service Training. For University of Kentucky. Clark County Extension Office. Dr. Bob Durborow, Professor. State Extension Aquaculture Specialist. Kentucky State University, Frankfort. 4. th. module. Technical . tools, strategies and machineries to . control weeds . in organic arable farming. Module objectives. Most of the biological diversity in our crop fields comes from the presence of weeds. They provide habitat for both beneficial insects and . An . ecosystem. is made up of a community of organisms living together and the physical environment that they live in.. Changes to the living and nonliving components in an ecosystem affect populations in that ecosystem. . Lesson 2: Weed Control Strategies. After completing this Lesson, you have learned to answer:. When the first schedule for weed control activity in . chili. pepper should . start? . How pre-sowing rainfall or irrigation helps in better weed control in . 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:. Why weed control is important in . chili crop. Mr. Gomes. Seed Production. A live source of life! A mature fertilized ovule (embryo) that has stored energy reserves. A small plant packaged for shipment…just needs the right environment to go. Prevention of seed production, especially in annuals, is one of the biggest keys to reducing weed pressure. Module IX: Weeds and Weed Control Lesson 1: Weeds and Weed Competition in Chili Pepper Unit 3: Striga After completing Units in this Lesson, you have learned to answer: 1. What is Striga PCP 506: WEED SCIENCE AND CONTROL Definition of a Weed The definition of weeds is predicated on human perception , desire and needs.  A weed is a plant which interferes with human activity or welfare. Rem 151 fall semester 2017. Why Care?. The spread of noxious weeds:. Signal ecological decline of entire watersheds. . Reduce beauty and biodiversity of natural areas.. Cause widespread economic losses in agriculture and recreation.. Weeds are best controlled within the first several weeks after a crop is planted. Herbicides are more effective against smaller weeds. Smaller weeds are less competitive than larger weeds. Maximize profit. Dr. Ashirbachan Mahapatra. Assistant . Professor. Department of Agronomy and Agroforestry. MSSSoA. , CUTM. Lecture . 11. Definition and . Concept of Weed Management. Weed . management is the application of certain principles and suitable methods that will improve the vigor and uniform stand of the crop. At the same time ignore or discourage the invasion and growth of weeds. .