Proceedings of the New Zealand Weed and Pest Control Conference, Volume 391986 - Pesticides |
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Page 106
... 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 ) . Diseased trees exhibit a significant reduction in annual volume ...
... 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 ) . Diseased trees exhibit a significant reduction in annual volume ...
Page 107
107 TABLE 1 : Mean percentages of disease severity and disease incidence for each treatment . Treatment Fungicide Application rate ai / ha Disease incidence ( % ) Disease severity ( % ) dodine Syllit 40S * 0.8 kg 14 a 35 a mancozeb ...
107 TABLE 1 : Mean percentages of disease severity and disease incidence for each treatment . Treatment Fungicide Application rate ai / ha Disease incidence ( % ) Disease severity ( % ) dodine Syllit 40S * 0.8 kg 14 a 35 a mancozeb ...
Page 159
... disease symptoms when picked , disease severity in these fruits when ripe was greater than in uninoculated fruits . Prochloraz gave good control of fruit rots ( Table 1 ) . Imazalil and guazatine did not control fruit rots ( Table 1 ) ...
... disease symptoms when picked , disease severity in these fruits when ripe was greater than in uninoculated fruits . Prochloraz gave good control of fruit rots ( Table 1 ) . Imazalil and guazatine did not control fruit rots ( Table 1 ) ...
Contents
Author Index | 9 |
PASTURE PESTS | 15 |
Field testing of seed protectants against black field cricket attack | 22 |
Copyright | |
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39th N.Z. Weed adult alachlor aphid application asparagus assessed atrazine beetle benomyl biological control buprofezin BYDV Californian thistle captafol chemicals chlorpyrifos clopyralid cover crawlers crop damage density diazinon discoideus disease DSIR effect eggs fensulfothion field foliage formulation fruit fungicides glyphosate gorse grass grub greedy scale growers growth haloxyfop EE harvest herbicides hexazinone increased infested insect insecticide insensitive instar kg ai/ha kiwifruit larvae leaf litres litres/ha lucerne metalaxyl metsulfuron mg ai/litre miticides mortality nematodes numbers orchard P.O. Box Palmerston North paraquat parasite pasture pathogens persimilis Pest Control Conf pesticides plants plots population porina Proc prochloraz ragwort rates reduced regrowth replicates Research residues root Ruakura ryegrass samples season seed treatments seedlings significant significantly Silwet Sitona soil spears species spray sprayer surfactant Table tamarillo tested trees trials trifluralin untreated control vinclozolin vines Weed and Pest weed control weeks whitefly yield Zealand