Proceedings of the New Zealand Weed and Pest Control Conference1988 - Pesticides |
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Page 36
approximately 830 / m2 indicated that the proportion of tillers showing BYDV symptoms in Triumph barley was < 3 % at ... indicating that the yield response to spray varied between cultivars . Analysis of the differences between treated ...
approximately 830 / m2 indicated that the proportion of tillers showing BYDV symptoms in Triumph barley was < 3 % at ... indicating that the yield response to spray varied between cultivars . Analysis of the differences between treated ...
Page 110
... indicated that the treated populations were all below 200 / m2 and were significantly ( P < 0.05 ) lower than untreated at two of the four sites . Diseased larvae were recorded from both treated and untreated plots ( Table 2 ) . TABLE 2 ...
... indicated that the treated populations were all below 200 / m2 and were significantly ( P < 0.05 ) lower than untreated at two of the four sites . Diseased larvae were recorded from both treated and untreated plots ( Table 2 ) . TABLE 2 ...
Page 159
... indicates the need to maintain the recommended rate of 5.4 kg / ha . Haloxyfop ( Gallant ) plus crop oil . The trials indicated 1.0 - 1.5 kg / ha is required to kill pampas up to 1 m high , but the effect of lower rates of haloxyfop may ...
... indicates the need to maintain the recommended rate of 5.4 kg / ha . Haloxyfop ( Gallant ) plus crop oil . The trials indicated 1.0 - 1.5 kg / ha is required to kill pampas up to 1 m high , but the effect of lower rates of haloxyfop may ...
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