Proceedings of the New Zealand Weed and Pest Control Conference, Issue 401987 - Pesticides |
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Page 222
... pasture production . Bolting and flowering plants affected pasture growth in a circle up to twice the diameter of the flowering plants . Infestations of 1000 plants per hectare were calculated to reduce pasture herbage production by ...
... pasture production . Bolting and flowering plants affected pasture growth in a circle up to twice the diameter of the flowering plants . Infestations of 1000 plants per hectare were calculated to reduce pasture herbage production by ...
Page 223
... pasture , nodding thistle seedlings and other weeds . In analysing herbage production data for each harvest , yield from the outer sample ring around each thistle we assumed to represent the normal productive potential of the pasture ...
... pasture , nodding thistle seedlings and other weeds . In analysing herbage production data for each harvest , yield from the outer sample ring around each thistle we assumed to represent the normal productive potential of the pasture ...
Page 225
... pasture contained a much higher proportion of other weeds , mainly flatweeds , than pasture in Trial 1. In both trials , but particularly in Trial 2 , the proportion of pasture species ( grass and clover ) progressively decreased and ...
... pasture contained a much higher proportion of other weeds , mainly flatweeds , than pasture in Trial 1. In both trials , but particularly in Trial 2 , the proportion of pasture species ( grass and clover ) progressively decreased and ...
Contents
Author Index | 9 |
Rules of the Society | 15 |
Control of barley yellow dwarf virus BYDV disease of barley in mid | 18 |
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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