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How widespread is Parthenium hysterophorus and its biological control agent Zygogramma bicolorata in South Asia?

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Dhileepan, K. and Senaratne, K.A.D.W. (2009) How widespread is Parthenium hysterophorus and its biological control agent Zygogramma bicolorata in South Asia? Weed Research, 49 (6). pp. 557-562.

PDF (Dhileepan_WeedRes_2009)

Article Link: http://dx.doi.org/10.1111/j.1365-3180.2009.00728.x

Publisher URL: http://www.ewrs.org/
Publisher URL: http://onlinelibrary.wiley.com/


Parthenium hysterophorus is a weed of global significance causing severe economic, environmental, human and animal health problems in Asia, Africa, Australia and the Pacific. In South Asia, P. hysterophorus occurs in India, Pakistan, Sri Lanka, Bangladesh and Nepal. A host-specific leaf-feeding beetle Zygogramma bicolorata from Mexico was introduced into India in 1984, as a biological control agent for P. hysterophorus. In this study, a GIS-based distribution map of P. hysterophorus and its biological control agent Z. bicolorata in South Asia based on meta-analysis is presented. The map highlights the limited published information on P. hysterophorus incidence in many of the states and territories in India, as well as in neighbouring Bangladesh, Bhutan, Nepal and Pakistan. Incidence of Z. bicolorata was recorded as three distinct clusters, covering many states in India. In Pakistan, Z. bicolorata was recorded in the Punjab region bordering India. A CLIMEX model based on the current distribution of Z. bicolorata in India suggests that the geographic range of this agent in India and Pakistan can extend to other P. hysterophorus-infested areas in the region. The CLIMEX model also suggests that all of Bangladesh and Sri Lanka, and parts of Nepal are climatically suitable for Z. bicolorata.

Item Type:Article
Corporate Creators:DEEDI, Biosecurity Queensland
Business groups:Biosecurity Queensland
Additional Information:© The Authors. © European Weed Research Society.
Keywords:Biological control; climate model; parthenium weed; chrysomelid beetle; distribution; CLIMEX, India; South Asia.
Subjects:Science > Zoology > Invertebrates > Insects
Agriculture > Agriculture (General) > Conservation of natural resources
Science > Invasive Species > Plants > Biological control
Science > Invasive Species > Modelling > Plant
Live Archive:16 Feb 2010 01:22
Last Modified:03 Sep 2021 16:48

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