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Advances in Transgenic Research for Insect Resistance in Sugarcane

Advances in Transgenic Research for Insect Resistance in Sugarcane The first phase of transgenic research in sugarcane concentrated on the development and evaluation of transgenic lines transformed for resistance to biotic stresses, particularly diseases and insect pests. Sugarcane is attacked by a range of insects including tissue borers, sucking pests and canegrubs. Losses due to these pests are estimated to be around 10%. Although chemical control and integrated pest management are regularly practiced for the control of insect pests, success is often limited due to practical difficulties. The genetic complexity of sugarcane coupled with the non-availability of resistance genes in the germplasm has made conventional breeding for insect resistance difficult. In this context, transgenic technology has become a handy tool for imparting insect resistance to an elite variety which is otherwise superior for most other agronomic traits. A number of transgenic sugarcane lines have been developed with genes expressing Cry proteins, proteinase inhibitors or lectins resistant to borers, sucking insects or grubs. While commercializing transgenic lines, issues such as higher and stable transgene expression, preparedness for resistance management and non-target effects need to be addressed. To manage the constant threat of resistance development in target insects, it is imperative to deploy field-level strategies taking clues from other crops coupled with the search for new potent replacement molecules for transformation. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Tropical Plant Biology Springer Journals

Advances in Transgenic Research for Insect Resistance in Sugarcane

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References (89)

Publisher
Springer Journals
Copyright
Copyright © 2011 by Springer Science+Business Media, LLC
Subject
Life Sciences; Transgenics; Plant Breeding/Biotechnology; Plant Ecology; Plant Genetics & Genomics; Plant Sciences
ISSN
1935-9756
eISSN
1935-9764
DOI
10.1007/s12042-011-9077-2
Publisher site
See Article on Publisher Site

Abstract

The first phase of transgenic research in sugarcane concentrated on the development and evaluation of transgenic lines transformed for resistance to biotic stresses, particularly diseases and insect pests. Sugarcane is attacked by a range of insects including tissue borers, sucking pests and canegrubs. Losses due to these pests are estimated to be around 10%. Although chemical control and integrated pest management are regularly practiced for the control of insect pests, success is often limited due to practical difficulties. The genetic complexity of sugarcane coupled with the non-availability of resistance genes in the germplasm has made conventional breeding for insect resistance difficult. In this context, transgenic technology has become a handy tool for imparting insect resistance to an elite variety which is otherwise superior for most other agronomic traits. A number of transgenic sugarcane lines have been developed with genes expressing Cry proteins, proteinase inhibitors or lectins resistant to borers, sucking insects or grubs. While commercializing transgenic lines, issues such as higher and stable transgene expression, preparedness for resistance management and non-target effects need to be addressed. To manage the constant threat of resistance development in target insects, it is imperative to deploy field-level strategies taking clues from other crops coupled with the search for new potent replacement molecules for transformation.

Journal

Tropical Plant BiologySpringer Journals

Published: Apr 7, 2011

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