Proceedings of the New Zealand Weed and Pest Control Conference, Issues 32-331979 - Pesticides |
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Page 199
A GLASSHOUSE SCREENING TECHNIQUE FOR RESISTANCE TO STEM NEMATODE IN LUCERNE P. A. BURNETT , M. W. DUNBIER AND JULIE A. HIATT Crop Research Division , DSIR Christchurch Summary A glasshouse technique for screening lucerne ( Medicago ...
A GLASSHOUSE SCREENING TECHNIQUE FOR RESISTANCE TO STEM NEMATODE IN LUCERNE P. A. BURNETT , M. W. DUNBIER AND JULIE A. HIATT Crop Research Division , DSIR Christchurch Summary A glasshouse technique for screening lucerne ( Medicago ...
Page 225
... technique for assessing black beetle ( Heteronychus arator ) populations were compared with the standard core technique in an insecticide trial . The plough technique worked well on heavy clay and light sand soils , and on ryegrass ...
... technique for assessing black beetle ( Heteronychus arator ) populations were compared with the standard core technique in an insecticide trial . The plough technique worked well on heavy clay and light sand soils , and on ryegrass ...
Page 228
... technique ( Table 2 ) . After adjusting for time differences , the number of black beetle found in the furrows per unit of time was 4 - fold ( Red Hill sand ) and 6 - fold ( Hihi clay ) the number found in the cores per unit time . The ...
... technique ( Table 2 ) . After adjusting for time differences , the number of black beetle found in the furrows per unit of time was 4 - fold ( Red Hill sand ) and 6 - fold ( Hihi clay ) the number found in the cores per unit time . The ...
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