compost teas for disease control
TRANSCRIPT
Wouldn’t it be nice?
vs.
Compost Teas for Disease Control
By Sarah Headley
Are compost teas a comprehensive method for
disease control?
Overview1.What is compost tea?
2.Variations?
3.Aeration?
4.Examples
5.Conclusion [5]
Compost Tea
What is it? [1]
How is it made? PA State
Department Instructions
How is it used?[2]
Foliar Spray?
What is it used for?[4]
Teas are Unique
Compost sources [3]
Preparation conditions
Application
Traditional Brewing Method
[2][1]
Aerated Compost Tea
[3]
Efficacy in Tomatoes
Foliar fungal pathogen suppression[4]
Non-aerated
Various animal manures and seaweed tested
1:5 compost : water
“Elad and Shitenberg Method”
14 days fermentation
Stored in the dark
Sheep manure was the most effective
Efficacy in Tomatoes
Suppression of early blight [5]
Aerated and traditional methods tested
Plant residues and chicken manure
1:5
6 days uncovered
Non-aerated tea was effective
Traditional had “denser biodiversity… and bacteria” than aerated
Are compost teas a comprehensive method for
disease control?
No.
References
1. http://extension.oregonstate.edu/douglas/mg/dcmg/aerated-compost-tea
2. http://apsjournals.apsnet.org/doi/pdf/10.1094/PHYTO.1998.88.5.450
3. http://www.puyallup.wsu.edu/~Linda%20Chalker-Scott/FactSheets/Compost%20tea%20fact%20sheet.pdf
4. http://dx.doi.org/10.1016/j.biocontrol.2009.10.018
5. http://www.world-food.net/scientficjournal/2007/issue2/pdf/environment/e11.pdf
Picture Credits:
1. http://3.bp.blogspot.com/-SQvuNnUoCZ4/UHKr_icaY3I/AAAAAAAAE-A/zlj5mP1Ug04/s1600/sum2007_compost_tea.jpg
2. http://www.marthastewart.com/268176/compost-tea-system
3. http://urbangardenmagazine.com/wp-content/uploads/2011/02/making-using.jpg
4. http://wjfarm.files.wordpress.com/2010/07/tea.jpg
5. http://interfaceets.files.wordpress.com/2012/04/composte2.jpg