What people are saying - Write a review
We haven't found any reviews in the usual places.
Control of barley yellow dwarf virus BYDV disease of barley in mid
23 other sections not shown
Other editions - View all
activity adult apple application asparagus assessed beds block Canterbury caused chemical clopyralid compared concentration cover crop cultivars damage determined diameter disease early effect eggs emergence established experiments field flower four fruit fungicides further glyphosate grass growth harvest height herbicides higher important increased indicated infection insecticide kg ai/ha larvae leaf leaves less levels Lincoln lucerne mean measured mefluidide METHODS mite mortality N.Z. Weed numbers occurred P.O. Box pasture period persimilis Pest Control Conf pesticide plants plots population present Private Proc production rates recorded reduced REFERENCES reported Research resistance response samples season seed seedlings showed shown significant significantly similar soil species spray spring stages surface Table temperature terbuthylazine thistle thrips tillers tolerance toxicity treated treatment trees trial untreated Weed and Pest weed control weeks weevil winter yield Zealand