Effects of the cultivation of genetically modified Bt crops on nontarget soil organisms - Microbial Ecology in Sustainable Agroecosystems - page 200

Table 8.8 Summary of the Effects of Cultivation with Bt Crops or Amendment with Bt Proteins on Microarthropods (continued)

Organism/activity
tested

Bt plant/experimental
variable Species Study location Protein Effect on organism(s) Source

Collembola, Acari, and
12 taxa of other
arthropods

Collembolan
families:
Isotomidae,
Hypogastruridae,
Entomobryidae,
and
Sminthuridae
Mites: Gamasina,
Uropodina, and
Cryptostigmata

Field Litterbags with plant

material from 9
different Bt or non- Bt
maize cultivars

Cry1Ab
Cry3Bb1

No difference in
decomposer
communities or
degradation speed
between the 9 maize
varieties

Honemann
et al. (2008)

Collembola Surface-dwelling

and soil-
dwelling
Collembola
species

Field Cultivation of Bt and

non- Bt maize

Cry1Ab No negative effect of

Bt maize on
abundance or
diversity

Priestley and
Brownbridge
(2009)

Collembola Folsomia candida Laboratory Fed leaves of Bt maize

(Event MON810) and
non- Bt maize

Cry1Ab No negative effect on

F. candida in long-term
feeding studies

Bakonyi et al.
(2011)

Source: Adapted and updated with permission from Icoz and Stotzky, 2008b.