Proceedings of the New Zealand Weed and Pest Control Conference, Issue 401987 - Pesticides |
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Page 20
... plants or to the branches of larger plants inside a cotton mesh sleeve secured by a rubber band . After 4 weeks the beetles were removed and the numbers of eggs were counted . The plants were then re - sleeved and the pods allowed to ...
... plants or to the branches of larger plants inside a cotton mesh sleeve secured by a rubber band . After 4 weeks the beetles were removed and the numbers of eggs were counted . The plants were then re - sleeved and the pods allowed to ...
Page 42
... plant species . Leaves of some plants were nearly destroyed , while others were only holed or eaten around the leaf margin . Thicker leaves were mostly rasped on the lower surface . The gastropods responsible for this form of damage ...
... plant species . Leaves of some plants were nearly destroyed , while others were only holed or eaten around the leaf margin . Thicker leaves were mostly rasped on the lower surface . The gastropods responsible for this form of damage ...
Page 225
... plants had flowered and died during the previous summer . DISCUSSION Prior to the bolting stage , mid to late October in these trials , nodding thistle plants had little effect on pasture growth beyond the perimeter of the rosette ...
... plants had flowered and died during the previous summer . DISCUSSION Prior to the bolting stage , mid to late October in these trials , nodding thistle plants had little effect on pasture growth beyond the perimeter of the rosette ...
Contents
Author Index | 9 |
Rules of the Society | 15 |
Control of barley yellow dwarf virus BYDV disease of barley in mid | 18 |
22 other sections not shown
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40th N.Z. Weed adult aethiopoides aphid apple application asparagus assessed atrazine Auckland barley BYDV Canterbury captafol chemical Chilean needle grass clopyralid crop cultivars cyhexatin damage density diameter diazinon dichlorvos discoideus disease dormant buds DSIR effect eggs flower fumigation fungicides g ai/100 litres gastropod glyphosate Goldson grass grub growth regulators haloxyfop harvest Hawkes Bay herbicides increased infection inflorescence insecticides kg ai/ha kiwifruit larvae leaf levels Lincoln College linuron lucerne mancozeb mefluidide metalaxyl metiram metribuzin mite miticides mortality nectarines nematodes numbers organotin P.O. Box paclobutrazol parasitoid pasture perennial ryegrass permethrin persimilis Pest Control Conf pesticide pesticide resistance pirimiphos-methyl plant growth plots population predator Proc prochloraz propiconazole reduced replicates Research resistance management samples season seed seedlings significantly simazine slug soil species spray stages surface Table temperature terbuthylazine thrips tillers toxicity translocation treatment trees triadimenol trial turf uptake Weed and Pest weed control whitefly yield Zealand