'Perennial weeds' diaporamas de présentation

Title losses

Title losses. Losses due to weeds. Losses in figures. Single weed losses. Water losses. Alternate host. Animal health hazzards. Parasitic nature. Association with crops. Title characteristics. Features of weeds. Features of weeds. Minuteness of seeds. Seed producing capacity.

1.5k views • 131 slides

Weed Control Strategies for Your Christmas Tree Plantation

949 views • 73 slides

Weed Control Strategies for Your Christmas Tree Plantation

865 views • 73 slides

Weeds

Weeds. What is a weed? A weed is a plant out of place. What Do Weeds Do?. Compete with crops for resources Interfere with crop quality and quantity Reduce aesthetics of landscape Affect function of turfgrass Displace native flora. What Do Weeds Do?. Ragweed pollen causes hay fever.

2.44k views • 70 slides

PCP 506: WEED SCIENCE AND CONTROL

983 views • 61 slides

PCP 506: WEED SCIENCE AND CONTROL

857 views • 61 slides

ASM 198

ASM 198. Pest and Pesticides. Pesticides are an Essential Tool. Pesticides Must Be Used Correctly. First Step - Identification. Major Types of Pests. Insects and their Relatives Weeds Diseases. Four Stages of Insect Development. Egg Larva Pupa Adult. Grasshopper Development. Egg

710 views • 57 slides

Perennial weeds: anaerobic soil disinfection & mechanical methods

444 views • 22 slides

Weed Control

421 views • 17 slides