Proceedings of the New Zealand Weed and Pest Control Conference1988 - Pesticides |
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Page 22
Pots were sub - irrigated to maintain the soil near field capacity . The plants were
assessed visually and harvested after 4 - 5 weeks growth to determine the dry
matter weight of shoots . Thirteen field trials covering Waikato , Manawatu and ...
Pots were sub - irrigated to maintain the soil near field capacity . The plants were
assessed visually and harvested after 4 - 5 weeks growth to determine the dry
matter weight of shoots . Thirteen field trials covering Waikato , Manawatu and ...
Page 49
SUMMARY The persistence and movement of quizalofop , at various rates , was
investigated in two soil types . Soil samples from 0 - 10 cm depth were collected 1
, 4 and 7 days after spraying and at weekly intervals thereafter and bioassayed ...
SUMMARY The persistence and movement of quizalofop , at various rates , was
investigated in two soil types . Soil samples from 0 - 10 cm depth were collected 1
, 4 and 7 days after spraying and at weekly intervals thereafter and bioassayed ...
Page 250
Weather conditions at the time of application were overcast and the soil moist (
25 % soil moisture ) . The distribution of bacteria immediately after application
was examined by collecting 10 soil cores ( 25 x 100 mm ) from soil adjacent to
the ...
Weather conditions at the time of application were overcast and the soil moist (
25 % soil moisture ) . The distribution of bacteria immediately after application
was examined by collecting 10 soil cores ( 25 x 100 mm ) from soil adjacent to
the ...
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Contents
Author Index | 9 |
Address by Sir David Beattie to 40th Annual Conference | 15 |
CEREALS | 21 |
Copyright | |
26 other sections not shown
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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