PWS 431 Lab Final

Redroot Pigweed

Redroot Pigweed

Wild Carrot

Showy milkweed

Common ragweed

Canada Thistle

Bull Thistle

Curlycup Gumweed

common sunflower

prickly lettuce

common groundsel

Annual Sowthistle

Dandelion

Western Salsify

Common Cockleburr

Houndstongue

Shepherds Purse

Lambsquarter

Kochia

Russian Thistle

field bindweed

yellow nutsedge

Prostrate spruge

Redstem filaree

Black Medic

Common Mallow

Venice Mallow

Broadleaf plantain

Downy brome

Large crabgrass

Quackgrass

Witchgrass

Foxtail

Prostate knotweed

Curly dock

Common purslane

Common mullein

Hairy nightshade

Puncture vine

Wild Oats

Orchardgrass

Penicillium: expansum, digitatum

Koch’s Postulates, on oranges and apples

Agrobacterium tumefaciens

Galls Tumors and Decay Diseases on tomatoes

Pythium

Lower Fungi and Seedling Diseases on Peas

Tobacco mosaic virus (TMV)

Tobacco Mosaic Virus of the cigaratte using the____method

Alternaria

                                                                                      i.      Spores are shaped like hand grenades

Corn smut cultured

oblong spores that are sometimes pointed on the ends

Corn smut uncultured

perfectly round spores that black

Fusarium

Macrochonidia are shaped like bananas with septate walls. Microchonidia are shaped like very small ovals

powdery mildew

Very large black spore with clear appendages coming off it

Penicillin

Mycelium forms a pitchfork structure and may or may not have spores attached at the end.

Rhizoctonia

Mycelium has septate walls and hyphae connect with 90 degree angles.

Odonata

Lepidoptera

Hymenoptera

Thysanoptera

Siphonaptera

Dermoptera

Isoptera

Hemiptera

Diptera

Neuroptera

Coleoptera

Orthoptera

Homoptera

Microscope Stand

Coarse/Fine Focus Control

Light Control

On/Off Switch

Eyepiece

Eyepiece diopter adjustment

Interpupillary adjustment

Head set screw

Objective turret

Objective

Substage adjustment knob

Aseptic Technique

1- H20 wash 2- remove plant 3- bleach→ distilled H20

also: spray alcohol, gloves, clean tools (flame, alcohol)), wash hands, hygiene,

Koch’s Postulates

1- Disease symptoms

2- isolate culture

3- disease structure-inoculate

4- get sym isolate repeat