Guaranteed Success
Brown Patch (6) vs Large Patch management (1) Brown Patch- cool season
1) avoid fertilizer/nitrogen
2) remove dew
3) increase air flow
4) fungicide
5) DO NOT OVERWATER
6) Pre-Em
Large Patch- warm season (grass looks like it's going dormant)
1) fall fungicide application
3 things that are necessary for plant disease 1) Host Plant
2) Pathogen
3) favorable environmental conditions
Pathogen types (5) 1) bacteria
2) fungi
3) virus
4) parasitic plants(mistletoe)
5) nematode
What is Grey Leaf Spot fungus created by frequent warm/rainy periods slows grow-in, thins
established veg and can kill large areas of St. Aug
Define phytotoxicity Plant damage that occurs when chemicals are applied
, Grass type susceptible to Brown Patch Fescue
6 management practices for Brown Patch 1) avoid fertilizer/Nitrogen
2) avoid over watering
3) increase air flow
4) sanitation
5) pre-emerge
6) fungicide
Main factors that contribute to plant phytotoxicity(4) 1)Chemical drift
2)persistence of chemical(residual)
3)variety of plant material(some are heartier than others)
4)root uptake of the plant
Define and list steps of IPM process (7) IPM- Integrated Pest Management
1) inspection
2) preventative action
3) identification
4) analysis
5) treatment
6) monitoring
7) documentation
Active vs Inert Ingredient A.I.- actual chemical in the product that controls pests
Inert- anything else added to mixture( water, solvents, salts, dyes)