Damage from Secondary Pests and the Need for Refuge in China

Shenghui Wang, David Just and Per Pinstrup-Andersen
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Shenghui Wang: Cornell University
Per Pinstrup-Andersen: Cornell University

Chapter Chapter 28 in Regulating Agricultural Biotechnology: Economics and Policy, 2006, pp 625-637 from Springer

Abstract: Abstract Because Bt technology targets only bollworm populations, secondary pest populations have slowly eroded the benefits of Bt technology in China. Stochastic dominance tests based on primary household data from 1999–2001 and 2004 in China provide strong evidence that secondary pests have completely eroded all benefits from Bt cotton cultivation. Refuge, while currently used to prevent Bt resistance in the United States, could be used to control secondary pest populations by increasing their exposure to lethal toxins. We show that such a strategy would be profitable in China.

Keywords: Bt cotton; secondary pest; refuge; pest control (search for similar items in EconPapers)
Date: 2006
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DOI: 10.1007/978-0-387-36953-2_28

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