Now showing items 1-3 of 3
The development of a sequential sampling plan for management of stripe rust (Puccina striiformis West.) in winter wheat (Triticum aestivum L.)
(Lincoln College, University of Canterbury, 1985)
Stripe rust caused by Puccinia striiformis West., was studied in three seasons between 1981 and 1984, on the susceptible wheat cv. Rongotea. A sample unit of the top three leaves on a W-shaped sample pattern provided the ...
Disease management of Ascochyta fabae Speg., a seed borne pathogen of Vicia faba L.
(Lincoln College, University of Canterbury, 1984)
Ascochyta fabae was present in all the field and broad bean crops surveyed in the Canterbury and Marlborough areas during the 1978/79 and 1979/80 seasons. In broad bean crops, the disease incidence on the flowering nodes ...
A physiological approach to disease yield loss relationships in barley (Hordeum vulgare L.)
(Lincoln College, University of Canterbury, 1987)
Methods for estimation of crop losses caused by disease are based largely on empirical models. Recently there has been an increased awareness that a more mechanistic approach with a greater understanding of the physiological ...