Proceedings of the New Zealand Weed and Pest Control Conference, Issues 32-331979 - Pesticides |
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Page 202
... herbicide usage are being developed to increase the selectivity of herbicides , to reduce the amount of herbicide used and the cost of weed control . These techniques can be grouped into those involving application equipment , and those ...
... herbicide usage are being developed to increase the selectivity of herbicides , to reduce the amount of herbicide used and the cost of weed control . These techniques can be grouped into those involving application equipment , and those ...
Page 284
... herbicides depends on the species and rate of application . Choice of contact herbicide is much more limited than with residual chemicals , and shielding of the cuttings is recommended to avoid foliar damage . INTRODUCTION Lack of ...
... herbicides depends on the species and rate of application . Choice of contact herbicide is much more limited than with residual chemicals , and shielding of the cuttings is recommended to avoid foliar damage . INTRODUCTION Lack of ...
Page 87
... herbicides were observed as a result of treating plants of different ages . Experiments 1 and 2 were severe tests of immediate , inherent sensitivity of kiwifruit to particular herbicides . The finding that several foliage - applied ...
... herbicides were observed as a result of treating plants of different ages . Experiments 1 and 2 were severe tests of immediate , inherent sensitivity of kiwifruit to particular herbicides . The finding that several foliage - applied ...
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