Management of Turfgrass Pests
Weeds, Diseases, and Insects
2003

Bulletin L-187

Dilution Tables

Wettable Powders

Number of ounces of wettable powder to use in small sprayers when amount per 100 gallons is known.

100gals.	10gals.	5gals.	2gals.	1gal.
0.5 lb.	0.8	0.4	0.2	0.1
1 lb.	1.6	0.8	0.3	0.2
2 lbs.	3.2	1.6	0.6	0.3
3 lbs.	4.8	2.4	1.0	0.5
4 lbs.	6.4	3.2	1.3	0.6
5 lbs.	8.0	4.0	1.6	0.8

Emulsifiable Concentrates

Number of fluid ounces of emulsifiable concentrate to use in small sprayers when amount per 100 gallons is known.

100gals.	10gals.	5gals.	2gals.	1gal.
1 pt.	1.6	0.8	0.3	0.2
1 qt.	3.2	1.6	0.7	0.3
2 qt.	6.4	3.2	1.3	0.6
1 gal.	12.8	6.4	2.6	1.3

Rates to Use To Treat One Acre

Pounds Actual Pesticide Per Gallon Liquid Concentrate	Pounds Actual of Pesticide Needed
	1/4	1/2	3/4	1	2	3	4
	Pints of Liquid Concentrate to Use Per Acre
1	2	4	6	8	16	24	32
11/2	1a	2b	4	5a	10b	16	21a
2	1	2	3	4	8	12	16
4	0.5	1	1.5	2	4	6	8
Percent Actual Pesticide in Wettable Powder	Pounds of Actual Wettable Powder to Use Per Acre
	1/4	1/2	3/4	1	2	3	4
15%	13/4	3a	5	61/2	13	20	261/2
25%	1	2	3	4	8	12	16
40%	e	11/4	13/4	21/2	5	71/2	10
50%	1/2	1	11/2	2	4	6	8
75%	d	3/4	1	1a	2b	4	5a
Percent Actual Pesticide in Dust or Granules	Pounds of Actual Wettable Powder to Use Per Acre
	1/4	1/2	3/4	1	2	3	4
21/2%	10	20	30	40	80	120	160
5 %	5	10	15	20	40	60	80
10%	21/2	5	71/2	10	20	30	40
20%	11/4	21/2	33/4	5	10	15	20
25%	1	2	3	4	8	12	16

Table of Measures

Liquids 1 level tablespoonful = 3 level teaspoonfuls 1 fluid ounce = 2 tablespoonfuls = 29.57 milliliters 1 cupful = 8 fluid ounces 1 pint = 2 cupfuls = 16 fluid ounces 1 quart = 2 pints = 32 ounces 1 gallon = 4 quarts = 128 fluid ounces

Weights 1 ounce = 28.3 grams 1 lb = 16 ounces = 454 grams 1 ton = 2,000 lbs