PPT-Module IX: Weeds and Weed Control

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 presowing rainfall or irrigation helps in better weed control 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. Dr. Timothy Grey & Fritz Turpin. Crop and Soil Sciences . Dept. UGA. Troublesome weeds. Grasses. Perennials . Bermuda grass. Bahia. Annuals. Italian ryegrass. Broadleaf weeds. Winter annual – wild radish. Lesson 1. The copyright in these Weed Science Society of America (WSSA) training lessons is owned by the WSSA. WSSA grants you a limited license to use these materials solely for training and educational purposes. Slides may be used individually, and their order of use may be changed; however, the content of each slide and the associated narrative may not be altered. If you have questions, please contact Joyce Lancaster at (jlancaster@allenpress.com) and phone (785-865-9250)..  . Lesson Aims. To study . weeds in the context of competition and how . weedkillers. can affect food webs..  . Learning . outcomes . By the end of the lesson you . should . be able to:. Explain . Identification and Management . Sasha Shaw. King County Noxious Weed Control Program. www.kingcounty.gov/weeds. . Courtesy of Sasha Shaw, King County Noxious Weed Control Program. Agenda. Brief review of definitions, lists and impacts. By; Casey Day. How Weeds Spread. How to Kill them. Other Interesting Facts. . Annual bluegrass. Likes moist areas. Leaf . blades that are crinkled part way . down are one way to identify the Annual Bluegrass.. Know your Weeds. ID your weeds in your field. Be sure you want to get rid of it. They do have a role:. Holding water. Creating organic matter. Providing cover. Habitat for beneficial insects. “Weeds are plant we have not yet found a use for.”. 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. 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. 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.. End. Previous. Next. Introduction . Weed . management is an important component of INM in rice. Weeds compete with the rice plants for space, water, light, nutrients and other resources. Uncontrolled weeds reduce growth and yield of rice substantially besides depleting the soil nutrients. . John H. . Nderitu. University of Nairobi/FAO consultant. Email: . huria@uonbi.ac.ke. Mobile: +254 722308581 . Outline . Objective . Introduction. Pests, disease and weeds. Types of damage by pests, diseases and . 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. .