The development and use of entomopathogens as classical, conservation and augmentative
biological control agents have included a number of successes and some setbacks in the …

Current knowledge of earthworm feeding ecology is reviewed, with particular reference to
food selection, ingestion, digestion and assimilation, and the use of novel techniques to …

Despite the extensive cultivation of genetically engineered (GE) maize and considerable
number of scientific reports on its agro-environmental impact, the risks and benefits of GE …

Bacillus thuringiensis (Bt) crystal proteins are pore-forming toxins used as insecticides
around the world. Previously, the extent to which these proteins might also target the …

Earthworm populations show a considerable amount of variability in time and space, with
mean population densities and biomass ranging from fewer than 10 individuals and 1 gm–2 …

Recent applications of biotechnology, especially genetic engineering, have revolutionized
crop improvement and increased the availability of valuable new traits. A current example is …

▪ Abstract Insect resistance, based on Bacillus thuringiensis (Bt) endotoxins, is the second
most widely used trait (after herbicide resistance) in commercial genetically modified (GM) …

Field studies were done to assess how much of the transgenic, insecticidal protein, Cry1Ab,
encoded by a truncated cry1Ab gene from Bacillus thuringiensis (Bt), was released from Bt …

The anti-lepidopteran toxin (Cry1Ab protein) encoded by truncated genes from Bacillus
thuringiensis was released in the root exudates from all hybrids of Bt corn studied and which …

Plant growth-promoting rhizobacteria (PGPR) are exogenous bacteria introduced into
agricultural ecosystems that act positively upon plant development. However, amendment …