Proceedings of the New Zealand Weed and Pest Control Conference, Issues 32-331979 - Pesticides |
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Page 274
... leaf spot , powdery mildew and leaf rust in autumn sown wheat sown 10 May 1978 . Treatment and disease Days after sowing leaf spot captan 114 triadimenol 3566 Wheat variety Корага Karamu 95 7 96 17 powdery mildew captan 149 13.1 11.2 ...
... leaf spot , powdery mildew and leaf rust in autumn sown wheat sown 10 May 1978 . Treatment and disease Days after sowing leaf spot captan 114 triadimenol 3566 Wheat variety Корага Karamu 95 7 96 17 powdery mildew captan 149 13.1 11.2 ...
Page 275
... Leaf 2 Leaf 3 Leaf 4 Yield Treatments untreated g / ha treatment leaf t / ha 7 0 1.4 3.0 4.8 3.07 cC 14 0.9 3.0 3.6 4.4 triadimefon 62.5 7 0 0.1 1.8 4.0 14 0.5 0.9 0.9 1.9 3.59 aA triadimefon 125 7 0 0.1 2.1 3.8 3.67 aA 14 0.3 0.4 0.9 ...
... Leaf 2 Leaf 3 Leaf 4 Yield Treatments untreated g / ha treatment leaf t / ha 7 0 1.4 3.0 4.8 3.07 cC 14 0.9 3.0 3.6 4.4 triadimefon 62.5 7 0 0.1 1.8 4.0 14 0.5 0.9 0.9 1.9 3.59 aA triadimefon 125 7 0 0.1 2.1 3.8 3.67 aA 14 0.3 0.4 0.9 ...
Page 86
... leaf distortion , especially at 4.5 kg / ha . Growing points killed , interveinal reddening . Veinal chlorosis and ... leaf distortion and stunting . Irregular effect , some healthy but several plants killed . Severe damage or death ...
... leaf distortion , especially at 4.5 kg / ha . Growing points killed , interveinal reddening . Veinal chlorosis and ... leaf distortion and stunting . Irregular effect , some healthy but several plants killed . Severe damage or death ...
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