Proceedings of the New Zealand Weed and Pest Control Conference1988 - Pesticides |
From inside the book
Results 1-3 of 18
Page 62
... line - bred from original pairs of moths . A proportion of each generation was tested for disease , and lines with infection discarded . From 106 adults which emerged from the imported insects , 37 pairs laid viable eggs . Two of the 74 ...
... line - bred from original pairs of moths . A proportion of each generation was tested for disease , and lines with infection discarded . From 106 adults which emerged from the imported insects , 37 pairs laid viable eggs . Two of the 74 ...
Page 250
... lines and 100 mm away from the lines in rows treated with 200 litres / ha . Soil was also sampled for the presence of S. entomophila at 2 and 30 days after application when 20 soil cores were collected from the centre of each row ...
... lines and 100 mm away from the lines in rows treated with 200 litres / ha . Soil was also sampled for the presence of S. entomophila at 2 and 30 days after application when 20 soil cores were collected from the centre of each row ...
Page 251
... lines resulted in establishment of disease in the grass grub population . Levels of disease , however , were low . This result probably reflects an uneven distribution of bacteria in soil , with high numbers of bacteria found adjacent ...
... lines resulted in establishment of disease in the grass grub population . Levels of disease , however , were low . This result probably reflects an uneven distribution of bacteria in soil , with high numbers of bacteria found adjacent ...
Contents
Author Index | 9 |
Address by Sir David Beattie to 40th Annual Conference | 15 |
CEREALS | 21 |
Copyright | |
25 other sections not shown
Other editions - View all
Common terms and phrases
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