Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Contamination rates of naturally infested seed lots used for the 1999 and 2000 field experiments
| Expt yr | Samplinga | No. of positive samples | MPN in 100 seedsb | Confidence intervalb |
|---|---|---|---|---|
| 1999 | 1 batch of 500 | 1 | 1.1 | 0.3-2.7 |
| 5 batches of 100 | 3 | |||
| 5 batches of 10 | 1 | |||
| 2000 | 5 batches of 800 | 3 | 0.1 | <0.1-0.3 |
Number of batches each containing a defined number of seeds.
Most probable number (MPN) and associated confidence interval were obtained from reference tables (36).
