References:
Betterridge, K., R.D.
Sutherland, R.A. Fordham, K.J. Stafford and D.A.
Costall 1997. Conditioning of Romney sheep for
ragwort (Senecio Jacobaea) control.
Proceedings 50th New Zealand Plant
Protection Conference p. 482-485. Available
at:
http://www.hortnet.co.nz/publications/nzpps/journal/50/nzpp50_482.pdf
Accessed 03 September 2006
Betteridge. K., P.G.
Mcgregor, D.A. Costall, and P.G. Peterson. 2000.
Biological control of ragwort: Does sheep
grazing affect ragwort flea beetle? New Zealand
Plant Protection 53:54-58. Available at:
http://www.hortnet.co.nz/publications/nzpps/journal/53/nzpp53_054.pdf
Accessed 03 September 2006.
Integrated Pest Management Practitioners
Association (IPMPA). 2000. Tansy ragwort. IVM
Technical Bulletin. Available at:
http://www.efn.org/~ipmpa/Noxtansy.html.
Accessed 03 September 2006.
Sharrow, S. T. and W.
D. Mosher. 1982. Sheep as a biological control
agent for tansy ragwort. Journal of
Range Management
35:480-482.
Sutherland, R.D., K.
Betteridge, R.A. Fordham, K.J. Stafford, and
D.A. Costall. 2000. Rearing conditions for lambs
may increase tansy ragwort grazing. Journal
of Range Management. 53:432-436.
|