Effects of the cultivation of genetically modified Bt crops on nontarget soil organisms - Microbial Ecology in Sustainable Agroecosystems - page 179

Table 8.4 Summary of Effects of Cultivation of Bt Crops or Amendment with Bt Proteins on Soil Fungi (continued)

Bt crop/experimental
variable

Organism Methods Study location Protein Effect on fungi Source

AMF Trypan blue

staining
Grid-line intersect
method

Field Soil cultivated with Bt

and non- Bt cotton

Cry1Ac
Cry2Ab

No difference in root
colonization
(arbuscules) between
Bt and non- Bt cotton

Knox et al.
(2008)

Culturable fungi Culturing Field Soil cultivated with

four varieties of Bt
maize (Events Bt 11
[field and sweet corn],
MON810, MON863)
and non- Bt maize
isolines

Cry1Ab
Cry3Bb1

No consistent effect of
Bt maize on
culturable fungi

Icoz et al.
(2008)

Culturable fungi Culturing Field Soil cultivated with Bt

maize (Events 176,
MON810) and non- Bt
maize

Cry1Ab No effect of Bt maize

on culturable fungi

Oliveira et al.
(2008)

Fungal communities as
affected by Bt rice
residue decomposition

T-RFLP Field Litterbags containing

biomass (straw or
roots) of Bt and
non- Bt rice

Cry1Ab No difference in fungal

community
composition in
litterbags containing
rice straw
Some differences in
fungal community
composition at the
early stage of root
decomposition

Lu et al.
(2010a)

(continued)