Proceedings of the New Zealand Weed and Pest Control Conference, Issues 32-331979 - Pesticides |
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Page 32
... gave some reduction in seed head numbers in at least one trial , but even at the highest rates used eradication was not achieved consistently with any material . Carbetamide at 6.0 kg / ha gave nearly complete control . In the only year ...
... gave some reduction in seed head numbers in at least one trial , but even at the highest rates used eradication was not achieved consistently with any material . Carbetamide at 6.0 kg / ha gave nearly complete control . In the only year ...
Page 17
... gave less than 50 % of the theoretical deposit on filter papers placed at ground level . Conventional and high volume CDA gave similar mean deposits while low volume CDA gave a significantly lower amount ( P < 0.01 ) . For applications ...
... gave less than 50 % of the theoretical deposit on filter papers placed at ground level . Conventional and high volume CDA gave similar mean deposits while low volume CDA gave a significantly lower amount ( P < 0.01 ) . For applications ...
Page 35
All treatments gave significant reductions in soldier fly numbers compared to the control ( Table 1 ) . Treatment 3 gave significantly greater control than the other insecticide treatments ( P◅0.01 ) . The ryegrass established in all ...
All treatments gave significant reductions in soldier fly numbers compared to the control ( Table 1 ) . Treatment 3 gave significantly greater control than the other insecticide treatments ( P◅0.01 ) . The ryegrass established in all ...
Contents
Presidential Address | 17 |
Control of meadow barley grass in pasture by the use of herbicides | 31 |
Initial studies into direct drilling of lucerne in Marlborough R I | 40 |
Copyright | |
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32nd N.Z. Weed activity adult Agric Agricultural alachlor application assessed atrazine Auckland azinphos-methyl bait barley BGLA black beetle browntop Canterbury chemical Christchurch crop cultivars damage density difenzoquat disease DSIR effect ester evaluation field crickets foliage fruit glyphosate gorse gorse seedlings grass grub grazing greedy scale growth harvest herbicides hexazinone increase infection insecticide isazophos Kain kiwifruit larvae leaf levels linuron litres litres/ha lucerne maize manuka mefluidide method mite mortality nematode numbers P.O. Box paddocks Palmerston North paraquat pasture pea aphid permethrin Pest Control Conf pesticides picloram plants plots populations Proc procymidone production programme pyrethroid reduced regrowth replicates residues Ruakura ryegrass samples season seed significant significantly simazine soil soldier fly sown species spray stem survival synthetic pyrethroid Table tested thistles tolerance toxicity treated treatments triadimenol trial untreated Weed and Pest weed control weeks weight white clover wild oat yield Zealand