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. 2015 Aug 14;10(8):e0135688. doi: 10.1371/journal.pone.0135688

Table 2. Fungicides and adjuvant spray treatments and application rates applied weekly on planted fields of Phacelia tanacetifolia in screened field cages where 20 uniquely paint-marked Megachile rotundata females were nesting.

Treatment sprays occurred on the evening of days 7 (July 5) and 14 (July 12) when bees were not active. The cage experiment was conducted at in North Logan, Utah in 2012.

Treatment Week 1, Week 2, Week 3 Cage Application regime (date of spray) Application rate (kg/ha)
Week 1 (Days 0–7) Week 2 (Days 8–14) Week 3 (Days 15–21) Week 2 Week 3
NS*, Water**, Water 1 NS Water Water
NS, N-90, N-90 2 NS N-90 N-90 0.4 0.4
NS, Pristine, Pristine 3 NS Pristine Pristine 1.6 1.6
NS, Pristine + N-90, Pristine + N-90 4 NS Pristine + N-90 Pristine + N-90 2.0 2.0

* NS = no spray; nest initiation period to document normal nesting behavior

** Water was sprayed at equal volumes to treatment sprays