Lecture 5_Plant Growth Competitors-1

Lecture 5_Plant Growth Competitors-1 - Plant Growth...

Info iconThis preview shows pages 1–12. Sign up to view the full content.

View Full Document Right Arrow Icon
Plant Growth Competitors Disease
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Weed Classification 3 general groups Grasses (crabgrass, foxtails) Sedges (yellow nutsedge) Broadleaf (pigweed, purslane, milkweed) Life cycle classifications Annual **biggest problem** Biennial Perennial
Background image of page 2
Specific Weeds Bermudagrass
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Specific Weeds Yellow nutsedge
Background image of page 4
Weed Management Regularly appear Weeds Steal moisture Limit air circulation around plants Steal fertilizer Harbor insects Can harbor disease
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Weed Management Integrated program Chemical methods Nonchemical methods Various program aims Physical destruction Grow strong crop to compete Method selection depends upon Weed pressure, labor availability, environmental concerns, marketing opportunities, weed crop
Background image of page 6
Weed control Methods: Hand pulling Cultivation Garden tiller Plow and hoe Crop rotation Mulching Organic mulch Plastic mulch Chemical control Selective vs. nonselective
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
What is a pest? Pest Anything that can cause plant injury or plant loss 5 major categories Diseases Weeds Insects Nematodes Rodents and Animals Host Plant that serves as the pest’s food source
Background image of page 8
Insect and Nematode Pests
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
www.cartage.org Insects Classified as animals with: 3 distinct body parts (head, throax, abdomen) 3 pairs of legs, and 2, 1 or no pairs of wings Examples Spiders and mites Centipedes and millipedes Sowbugs and pillbugs Caterpillars True bugs Beetles Grasshoppers Flies
Background image of page 10
Insect Damage 800,000+ species in the world 100,000 in U.S. < 1,000 are pests to plants and people Damage caused by mouthparts Chewing (Grubs, beetles, caterpillars) Sucking ( Aphids, leafhoppers, mosquitoes) Siphoning (Moths and butterflies) Rasping (Thrips) Location of feeding Above soil, at soil line, or below ground?
Background image of page 11

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 12
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 02/01/2012 for the course HOS 1014 taught by Professor Staff during the Fall '08 term at University of Florida.

Page1 / 61

Lecture 5_Plant Growth Competitors-1 - Plant Growth...

This preview shows document pages 1 - 12. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online