Proceedings of the New Zealand Weed and Pest Control Conference, Volume 391986 - Pesticides |
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Page 106
Trees of different clones show a variation in susceptibility to the disease ( Forest Research Institute 1977 ) , and the severity of the disease is low in trees younger than six years and older than 25 years ( van der Pas et al 1984a ) ...
Trees of different clones show a variation in susceptibility to the disease ( Forest Research Institute 1977 ) , and the severity of the disease is low in trees younger than six years and older than 25 years ( van der Pas et al 1984a ) ...
Page 107
TABLE 1 : Mean percentages of disease severity and disease incidence for each treatment . Treatment Fungicide Application rate ai / ha Disease Disease incidence ( % ) severity ( % ) 14 a 35 a dodine Syllit 40S * mancozeb Mancozeb 80W ...
TABLE 1 : Mean percentages of disease severity and disease incidence for each treatment . Treatment Fungicide Application rate ai / ha Disease Disease incidence ( % ) severity ( % ) 14 a 35 a dodine Syllit 40S * mancozeb Mancozeb 80W ...
Page 159
Fungicide Time of inoculation Untreated ( not dipped ) prochloraz imazalil guazatine Disease mean score / fruit ( D10 lesions 3 ) 2.6 1.1 2.7 2.3 3 months pre - harvest at harvest not inoculated S.E. 1.5 1.0 0.0 0.0 0.2 1.2 ( + 0.37 ) ...
Fungicide Time of inoculation Untreated ( not dipped ) prochloraz imazalil guazatine Disease mean score / fruit ( D10 lesions 3 ) 2.6 1.1 2.7 2.3 3 months pre - harvest at harvest not inoculated S.E. 1.5 1.0 0.0 0.0 0.2 1.2 ( + 0.37 ) ...
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Contents
Author Index | 9 |
PASTURE PESTS | 15 |
Field testing of seed protectants against black field cricket attack | 22 |
Copyright | |
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activity adult aphid application asparagus assessed Auckland block caused Centre chemicals clopyralid compared counts cover crop damage density DISCUSSION disease DSIR effect eggs emergence establishment experiments field formulation four fruit fungicides gave glyphosate gorse grass grass grub ground growth Hamilton harvest height herbicide higher important increased indicated infested insect insecticide kg ai/ha larvae leaf leaves less levels lower lucerne March Mean measured METHODS months mortality North numbers observed occurred P.O. Box pasture Pest Control Conf plants plots population present Private Proc production pupae ragwort range rates reduced REFERENCES replicates reported Research residues root ryegrass samples scale season seed seedlings showed significant significantly similar soil spears species spray spring stage stem Table tested thistle treated treatments trees trials untreated vines Weed and Pest weed control weeks weevil whitefly yield Zealand