Study Shows that Nearby Crop Diversity Mediates the Effect of Bt Cotton on Insect CommunityMay 29, 2019
Researchers from Chinese Research Academy of Environmental Sciences and CSIRO Agriculture and Food conducted a comprehensive study to investigate the effect of large-scale cultivation of GM crops on agricultural biodiversity.
They compared the number of species, population abundance, community evenness and dominance of insects and weeds in Bt and non-Bt cotton fields in 27 locations in northern China. To verify the results of the study, they also conducted a three-year field experiment. Results showed that weed diversity in both fields was similar, but the number of species and diversity indices of insects were lower in Bt cotton fields, aligning with fewer leaf damage to broadleaf plant species including cotton as well as crops in nearby plots. The leaf damage in Bt and non-Bt cotton negatively links with the diversity of neighboring crops in cotton fields.
Based on the findings, the researchers concluded that the neighboring crop diversity mediates the effects of Bt crops on agricultural diversity in complex interactions among transgenic crops, in-field weed and insect communities, and neighboring crops.
More results are available in Transgenic Research.
Biotech Updates is a weekly newsletter of ISAAA, a not-for-profit organization. It is distributed for free to over 22,000 subscribers worldwide to inform them about the key developments in biosciences, especially in biotechnology. Your support will help us in our mission to feed the world with knowledge. You can help by donating as little as $10.
See more articles:
News from Around the World
- FAO Launches New Initiative to Seek Support for Family Farmers
- Consumers' Attitude Towards GM Food is Based on Their Understanding of the Science Behind It
- Researchers Discover Genetic Regulators for Starch and Protein in Maize
- Scientists Shed New Light on Photosynthetic Supercomplex Structure
- Brazil's CTNBio Gives Commercial Approval to HB4 Soybeans
- Australian OGTR Approves GM Chickpea Field Trial
- Max Planck Society Presents Position on Genome Editing
- Plant Proteins Identified to Play Roles on Cell Protection against Self-Harm
- Study Shows that Nearby Crop Diversity Mediates the Effect of Bt Cotton on Insect Community
Beyond Crop Biotech
- Burger King's New Plant-Based Burger Now Available in Sweden, Soon in Asia
- GM Bacteria Offer Ecological Solution to Synthetic Fertilizer
- Pocket K No. 57: Impact of GM Crops on Soil Health
- CRISPR Technology Market Growing Rapidly
- CRISPR-Cas9 Used in Targeted Nucleotide Substitution in Rice Blast Fungus
- 14 EU Countries Call for Unified Approach to Gene Editing in Plants
Read the latest:
- Biotech Updates (February 21, 2024)
- Gene Editing Supplement (February 14, 2024)
- Gene Drive Supplement (February 22, 2023)
Subscribe to BU: