Systems-based Pest Management. Systems-based Pest Management. Water Management. Irrigation. Water Management 11/1/2013

Size: px

Start display at page:

Download "Systems-based Pest Management. Systems-based Pest Management. Water Management. Irrigation. Water Management 11/1/2013"

Allen Goodwin
6 years ago
Views:

Systems-based Pest Management Systems-based Pest Management Amy Fulcher, University of Tennessee

If not, strategically adopting a few can mitigate your risk!

Systems-based Pest Management Water Management Field Production Substrate Containers Training

1 Systems-based Pest Management Systems-based Pest Management Amy Fulcher, University of Tennessee 9/26/13 Systems-based pest management includes a number of practices you might already be doing! If not, strategically adopting a few can mitigate your risk! Synergy from doing them in a coordinated way! Systems-based Pest Management Water Management Field Production Substrate Containers Training Water Management Why water: Water can be a source of disease-causing pathogens, weed seeds, etc. Image source: APS.net Pathogen-oomycete Irrigation ODA found that more Phytophthora was detected in irrigation water (and substrate) than other points of contamination Water Management Why water: Overwatering can waste fertilizer Economics Unhealthy plants, susceptible to pests 1

Water Management Why water: Overwatering, poor drainage can

Management: Irrigation Account for rainfall Image Source:

htm Water Management: Sensor-based Irrigation Water with

Sensor-based Irrigation Solenoid valve Sensor Controller

of water the plant is using Water Management: Irrigation

2 Water Management Why water: Overwatering, poor drainage can cause conditions conducive to diseases 2013 Water Management: Irrigation Account for rainfall Image Source: Water Management: Sensor-based Irrigation Water with the amount of water the plant is using. Sensor-based Irrigation Solenoid valve Sensor Controller Water supply Sensor-based Irrigation Water with the amount of water the plant is using Water Management: Irrigation How? Weigh pots after irrigation, drainage occur X Volumetric water content (%) 2

Water Management Water Mgt: Clean Source

Fungal-like organisms move in free water

3 Water Management Water Mgt: Clean Source of Water Leaching Fraction Image Credit: Sarah White Water Mgt: Clean Source of Water Field Production Inject chlorine Riparian buffers Slow sand filtration Constructed/floating wetlands UV Copper ionization Table modified by J. Parke, Oregon State University, with permission from Fisher, P. (ed.) Water Treatment for Pathogens and Algae. Water Education Alliance for Horticulture. 57 pp. Field Production-Standing Water Fill holes so water drains Oomycetes Fungal-like organisms move in free water Diseases - Southern blight Move with water in path of least resistance Image source: J. Hartman 3

4 Diseases Phytophthora root rot Diseases Phytophthora root rot Survives in the soil for many years Weed seeds One Palmer amaranth can produce 1/2 million seeds Weed roots Image Source: Alan Windham Image Source: Joe Neal If a known problem, disposable foot booties If a known problem Rinse equipment (is it feasible?) Image source: Southern Blight 4

5 If a known problem Rinse equipment (is it feasible?) Hoes Dunk in a bucket of sanitizer between fields? Image Source: James Altland Image Source: 906_Terhune_005_575.jpg Cankers may provide lots of inoculum for infections next year Collect (and destroy) Clippings after Pruning Why? Calico scale Japanese scale Other scale Canker causing fungi Southern blight? Sometimes these are the things we are pruning out! Clippings Can Be Healthy Looking but Infected! Prevent Weeds from Going to Seed Remove weeds promptly Preemergence and post emergence program Slide Credit: J. Hartman, L. Vaillancourt, J. Flowers, A. Bateman, and P. Bachi 5

6 Prevent Weeds from Going to Seed Prevent Weeds from Going to Seed Consider crop and non-crop areas. Weeds are hosts for thrips, mites, and leafhoppers Vectors! Spraying gravel areas Substrate Substrate Keep clean store on concrete, away from sources of contamination ODA found more Phytophthora in substrate (and irrigation water) than other points of contamination Substrate Inventory- Weeds Going to Seed Substrate Keep Bobcat on the concrete pad Clean tires!! 6

Substrate Reuse substrate from recently potted plants that died?

of potential risk Feasible to sanitize? Steam sterilization?

New containers Used containers on fabric On concrete pad

bamboo Containers Training Attend trainings TNLA MTNA Tennessee

7 Substrate Reuse substrate from recently potted plants that died?? Containers Containers Containers Reuse containers, flats A lot of potential risk Feasible to sanitize? Steam sterilization? Solarization? New containers Used containers on fabric On concrete pad Fiberglass stakes vs. bamboo Containers Training Attend trainings TNLA MTNA Tennessee Master Nursery Program tnmasternursery.com Webinars out of state programs Virginia Tech Water Alliance meetings 7

8 Thank you! 8

Inputs seed, TC, cuttings Component, site, or stage of production Imported cuttings, bareroot, tissue culture

Inputs seed, TC, cuttings Component, site, or stage of production Imported cuttings, bareroot, tissue culture Incoming cuttings, bareroot, tissue culture from domestic sources Incoming cuttings, bareroot,