The other is the similar-sounding Pure 'N' Natural Snail & Slug Away (Gro-Power, Inc., Chino, California, USA), which contains 0.6% cinnamon oil as the active ingredient.
Snail & Slug Away also was assessed, but using a modification of the laboratory physical barrier tests.
Two products containing essential oils (Slug & Snail Defense and Pure 'N' Natural Snail & Slug Away) were included in paired-choice foliage consumption studies in the same manner as the diatomaceous earth feeding deterrent (choice) studies, except that they were sprayed onto foliage discs directly from the spray bottle.
Most products were applied by rolling 2 to 5 g slugs in the test materials; however, the essential oils (Slug & Snail Defense, Snail & Slug Away) were applied by spraying until the slugs were thoroughly wetted.
In contrast, the Pure 'N' Natural Snail & Slug Away product significantly reduced leaf consumption by slugs (Table 3).
In the treated plastic plate chemical 'barrier' no-choice test, Pure 'N' Natural Snail & Slug Away significantly affected the number of slugs feeding (P < 0.001).
Hydrated lime, Snail & Slug Away, and Corry's metaldehyde-based bait caused rapid death of slugs and prevented leaf consumption.
Not surprisingly, the materials that induced the highest mortality (metaldehyde, hydrated lime, Snail & Slug Away) caused the greatest suppression in consumption, though iron phosphate was also quite efficacious in this regard.
The cinnamon-oil based Snail & Slug Away did not prevent leaf feeding by L.