Proceedings of the New Zealand Weed and Pest Control Conference1988 - Pesticides |
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Page 165
... less than 2.8m high , was measured on trees and the number of osier wands 1.35m or more long were counted . Trial 1 : RESULTS AND DISCUSSION Weed control at 2.2 kg / ha or less was “ less than satisfactory ” ( less than 7 on a 0-10 ...
... less than 2.8m high , was measured on trees and the number of osier wands 1.35m or more long were counted . Trial 1 : RESULTS AND DISCUSSION Weed control at 2.2 kg / ha or less was “ less than satisfactory ” ( less than 7 on a 0-10 ...
Page 209
... less than 16 % overall in both years , and less than 8 % for the nets at 100 m from the seed source . Again this result confirms the findings of Delahunty ( 1962 ) . Several reports have stressed that the seeds are readily detached from ...
... less than 16 % overall in both years , and less than 8 % for the nets at 100 m from the seed source . Again this result confirms the findings of Delahunty ( 1962 ) . Several reports have stressed that the seeds are readily detached from ...
Page 224
... less effective and more variable . Applications in September to plants recovering from defoliation over the winter achieved less than 50 % control while treatment at other times resulted in 63 % to 78 % of plants dying . All ...
... less effective and more variable . Applications in September to plants recovering from defoliation over the winter achieved less than 50 % control while treatment at other times resulted in 63 % to 78 % of plants dying . All ...
Contents
Author Index | 9 |
Address by Sir David Beattie to 40th Annual Conference | 15 |
CEREALS | 21 |
Copyright | |
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41st N.Z. Weed activity alligator weed aphid application asparagus assessed Auckland barley bioassay BYDV Canterbury cereals chemical clethodim crop cultivars cyproconazole damage diclofop-methyl disease DSIR effect eggs field flowering fluazifop-butyl fluvalinate foliage fruit fungicides g/ha glyphosate gorse grass grub grass weeds growers Hamilton clay loam herbicides Horotiu sandy loam infection insecticide kg/ha kiwifruit larvae leaf litres/ha loam soil MCPA mite miticides mulch myclobutanil nodding thistle NZ Weed orchards P.O. Box paclobutrazol Palmerston North pasture pendimethalin Pest Control Conf picloram pirimicarb plants plots Popay populations Proc programme propargite propiconazole Pukekohe quizalofop regrowth replicates Research residues resistance rosettes Ruakura ryegrass samples seed seedlings sethoxydim shoot significantly Silwet L-77 simazine spray surfactant susceptible Table temperature tested thrips tillers tip rot translocation treated treatment trees trial triasulfuron untreated uptake Weed and Pest weed control weeks yield Zealand