Proceedings of the New Zealand Weed and Pest Control Conference, Volume 391986 - Pesticides |
From inside the book
Results 1-3 of 87
Page 30
In addition , juveniles are often more sensitive to IGRs than mature insects ( Grosscurt 1978 ) . In field trials maximum level of control was achieved some weeks after the insect growth regulator application .
In addition , juveniles are often more sensitive to IGRs than mature insects ( Grosscurt 1978 ) . In field trials maximum level of control was achieved some weeks after the insect growth regulator application .
Page 31
31 When diflubenzuron and teflubenzuron were compared at equal application rates ( laboratory bioassay experiments ) , diflubenzuron was usually more active ( Table 1 ) . Field trial data ( Figs . 1 and 2 ) also indicated that ...
31 When diflubenzuron and teflubenzuron were compared at equal application rates ( laboratory bioassay experiments ) , diflubenzuron was usually more active ( Table 1 ) . Field trial data ( Figs . 1 and 2 ) also indicated that ...
Page 91
application volume was reduced to 20 litres / ha the same quantity of glyphosate plus 50 ml of Silwet M ( 0.25 % v / v ) gave much poorer control , although the SRI did not change significantly . Similarly , applying 5.6 kg ai asulam in ...
application volume was reduced to 20 litres / ha the same quantity of glyphosate plus 50 ml of Silwet M ( 0.25 % v / v ) gave much poorer control , although the SRI did not change significantly . Similarly , applying 5.6 kg ai asulam in ...
What people are saying - Write a review
We haven't found any reviews in the usual places.
Contents
Author Index | 9 |
PASTURE PESTS | 15 |
Field testing of seed protectants against black field cricket attack | 22 |
Copyright | |
31 other sections not shown
Other editions - View all
Common terms and phrases
activity adult aphid application asparagus assessed Auckland block caused Centre chemicals clopyralid compared counts cover crop damage density DISCUSSION disease DSIR effect eggs emergence establishment experiments field formulation four fruit fungicides gave glyphosate gorse grass grass grub ground growth Hamilton harvest height herbicide higher important increased indicated infested insect insecticide kg ai/ha larvae leaf leaves less levels lower lucerne March Mean measured METHODS months mortality North numbers observed occurred P.O. Box pasture Pest Control Conf plants plots population present Private Proc production pupae ragwort range rates reduced REFERENCES replicates reported Research residues root ryegrass samples scale season seed seedlings showed significant significantly similar soil spears species spray spring stage stem Table tested thistle treated treatments trees trials untreated vines Weed and Pest weed control weeks weevil whitefly yield Zealand