Proceedings of the New Zealand Weed and Pest Control Conference, Issues 32-331979 - Pesticides |
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Page 130
... caused very severe injury . 1978-79 Trial The herbicides which caused least affect on the crop were prometryn applied at 0.5 kg / ha post - emergence and at 1.0 kg / ha pre - emergence and terbuthylazine at 0.3 kg / ha early post ...
... caused very severe injury . 1978-79 Trial The herbicides which caused least affect on the crop were prometryn applied at 0.5 kg / ha post - emergence and at 1.0 kg / ha pre - emergence and terbuthylazine at 0.3 kg / ha early post ...
Page 87
apparently quite safe . Lenacil caused some leaf scorch and chlorosis . Propyzamide caused some leaf distortion and stunting . Foliage - applied asulam , a particularly slow - acting herbicide , caused little more than leaf chlorosis in ...
apparently quite safe . Lenacil caused some leaf scorch and chlorosis . Propyzamide caused some leaf distortion and stunting . Foliage - applied asulam , a particularly slow - acting herbicide , caused little more than leaf chlorosis in ...
Page 196
... caused a slight leaf edge burn and caused the foliage to pale slightly . Leaf width was reduced very slightly . No visible damage was caused by flamprop - methyl . There were no significant differences in yield between either the lower ...
... caused a slight leaf edge burn and caused the foliage to pale slightly . Leaf width was reduced very slightly . No visible damage was caused by flamprop - methyl . There were no significant differences in yield between either the lower ...
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