Table 1.
Period | Stratum | Establishment success (%) | |
---|---|---|---|
Tomato russet mites | Predatory mites | ||
3 weeks | |||
Top | 13.3 ± 2.5 | 0.0 ± 0.0 | |
Middle | 53.8 ± 3.5 | 14.8 ± 9.1 | |
Bottom | 32.9 ± 4.8 | 85.2 ± 9.1 | |
4 weeks | |||
Top | 58.4 ± 5.1 | 11.5 ± 2.8 | |
Middle | 35.3 ± 4.6 | 43.6 ± 7.3 | |
Bottom | 6.2 ± 1.6 | 44.8 ± 8.2 |
Number of plants is 10 (=replicates). Data are not statistically analyzed because the differences between mean % TRM and predators in the top stratum (after 3 and 4 weeks) are much larger than 3 times their SE