TABLE 1.
Time point (h) | No. of positive samples/no. of samples testeda
|
|||
---|---|---|---|---|
Group 1 (spraying)
|
Group 2 (apple fed)
|
|||
D | E | D | E | |
0 | 10/10 | 10/10 | 8/10 | 10/10 |
24 | 7/10 | 10/10 | 3/10 | 10/10 |
48 | 3/10 | 10/10 | 0/10 | 7/10 |
72 | 1/10 | 8/10 | 0/10 | 0/10 |
96 | 0/9b | 1/9 | 0/10 | 1/10 |
D, direct culture to Karmali agar (each sample consisted of 10 beetles); E, enrichment in Preston broth and culture on Karmali agar.
A lower number of groups was tested due to insufficient beetles remaining.