Compost Teas For Disease Control

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