Proceedings of the New Zealand Weed and Pest Control Conference1988 - Pesticides |
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Page 72
222c2a 2a Libuü TABLE 3 : Progressive diameters ( cm ) of the thistles from the
1982 , 50 plant quadrat which survived the observation period . Diameter 21 Jan .
6 May . 25 Nov . class Mean Range Mean Range Mean Range Growth Stg 10 4 ...
222c2a 2a Libuü TABLE 3 : Progressive diameters ( cm ) of the thistles from the
1982 , 50 plant quadrat which survived the observation period . Diameter 21 Jan .
6 May . 25 Nov . class Mean Range Mean Range Mean Range Growth Stg 10 4 ...
Page 101
With the registration of the synthetic pyrethroid , fluvalinate , in 1987 , growers
had access to a low toxicity product with activity against a wide range of insect
and mite pests . The product has the additional advantage of being an aquaflow ...
With the registration of the synthetic pyrethroid , fluvalinate , in 1987 , growers
had access to a low toxicity product with activity against a wide range of insect
and mite pests . The product has the additional advantage of being an aquaflow ...
Page 182
The prediction of such hot days can be achieved by interpreting long range
weather forecasts produced by the Meteorological Service which are published
in newspapers . Fifty three degree - days must accumulate between the 7 - day ...
The prediction of such hot days can be achieved by interpreting long range
weather forecasts produced by the Meteorological Service which are published
in newspapers . Fifty three degree - days must accumulate between the 7 - day ...
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Contents
Author Index | 9 |
Address by Sir David Beattie to 40th Annual Conference | 15 |
CEREALS | 21 |
Copyright | |
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activity annual application assessment Auckland barley bioassay block Canterbury chemical clover compared concentrations cost crop damage determined disease early effect eggs emergence established experiments field flowering fluazifop-butyl four fruit fungicides gave glyphosate grass growth Hamilton harvest herbicides higher increased infection insecticide kg/ha larvae leaf leaves less loam mean measured method mite months N.Z. Weed North occurred P.O. Box pasture period Pest Control Conf plants plots populations predicted present Private Proc production programme quizalofop range recommended recorded reduced replicates reported Research residual resistance samples scale season seed seedlings shoot showed shown significant significantly Silwet similar soil species spray spring stage stem strains summer surfactant Table temperature thrips tillers treated treatment trees trial untreated Weed and Pest weed control weeks weight yield Zealand