已收录 272993 条政策
分类导航
检索结果
已选条件:
and
<符合条件的数据共：27条>
排序方式
登录后可批量下载(统一登录，激活码登录)
  • Investigation into alternative wheat aphid control strategies for emerging farmers
    颁布单位：[University of the Free State] |  颁布时间：2011 |  实施时间：2011 |  学科分类：[["Dissertation, (M.Sc., ((Zoology, and, Entomology))--University, of, the, Free, State,, 2011","Aphids, --, Biological, control, --, South, Africa, --, Free, State","Aphids, --, Insecticide, resistance, --, South, Africa, --, Free, State","Wheat, --, Diseases, and, pests, --, Control, --, South, Africa, --, Free, State","Plant, semiochemicals","Plant, extracts","Alternate, control","Emerging, farmers","Olfactometer, tests","Aqueous, plant, extracts","Diaeretiella, rapae","Aphelinus, hordei","Rhopalosiphum, padi","Diuraphis, noxia"]]
    预览  |  原文链接    [浏览：3 下载：0]
  • Survival of the navel orangeworm, Amyelois transitella (Lepidoptera: Pyralidae), on pistachio in South Africa
    颁布单位：[University of the Free State] |  颁布时间：2010 |  实施时间：2010 |  学科分类：[["Dissertation, (M.Sc., (Zoology, and, Entomology))--University, of, the, Free, State,, 2010","Pistachio, --, Diseases, and, pests, --, South, Africa","Pyralidae, --, Control, --, South, Africa","Life, cycle","Orchard, management, practices","Survival","Overwintering","Amyelios, transitella"]]
    预览  |  原文链接    [浏览：0 下载：0]
  • The bio-ecology of the grass leaf miner, Agromyza ocularis (Diptera: Agromyzidae), on wheat and barley in the Northern Cape Province, South Africa
    颁布单位：[University of the Free State] |  颁布时间：2010 |  实施时间：2010 |  学科分类：[["Agromyza, ocularis","Grass, leaf, miner","Biology","Alternative, host, range","Damage, intensity","Insecticides","Unimectin®","Abamectin®","Growth, compensation","Insect, pests, --, Control, --, South, Africa, --, Northern, Cape, Province","Leafminers, --, Ecology, --, South, Africa, --, Northern, Cape, Province","Leafminers","Grain, --, Diseases, and, pests, --, South, Africa, --, Northern, Cape, Province","Dissertation, (M.Sc., (Zoology, and, Entomology))--University, of, the, Free, State,, 2010"]]
    预览  |  原文链接    [浏览：0 下载：0]
  • Isolation and characterisation of bacteriophages and their potential use for the control of bacterial infectons in poultry
    颁布单位：[University of the Free State] |  颁布时间：2009 |  实施时间：2009 |  学科分类：[["Bacteriophages, --, Therapeutic, use","Poultry, --, Diseases, --, Treatment","Bacterial, diseases","Dissertation, (M.Sc., (Microbial,, Biochemical, and, Food, Biotechnology))--University, of, the, Free, State,, 2009"]]
    预览  |  原文链接    [浏览：0 下载：0]
  • The effect of a novel compound on yield and fruit quality in hydroponically grown tomatoes
    颁布单位：[University of the Free State] |  颁布时间：2008 |  实施时间：2008 |  学科分类：[["Pheroids","Fatty, acids","Lycopersicon, esculentum","Blossom-end, rot","Calcium","Calcium, deficiency","Yield","Tomatoes, --, Diseases, and, pests, --, Control","Hydroponics","Plant, --, Effect, of, calcium, on","Crop, yields","Dissertation, (M.Sc., (Plant, Sciences, (Botany))--University, of, the, Free, State,, 2008"]]
    预览  |  原文链接    [浏览：3 下载：0]
  • Biology and control of the mango seed weevil in South Africa
    颁布单位：[University of the Free State] |  颁布时间：2008 |  实施时间：2008 |  学科分类：[["Dissertation, (M.Sc., (Zoology, Entomology))--University, of, the, Free, State,, 2008","Mango, --, Diseases, and, pests, --, South, Africa","Mango, --, Diseases, and, pests, --, Control, --, South, Africa","Biological, control","Chemical, control","Eclosion","Weevil, development","Oviposition","Feeding, preferences","Activity, patterns","Mango, seed, weevil","Seed, weevil"]]
    预览  |  原文链接    [浏览：0 下载：0]
  • Biological control of bacteria wilt in tobacco caused by Ralstonia solanacearum
    颁布单位：[University of the Free State] |  颁布时间：2007 |  实施时间：2007 |  学科分类：[["Dissertation, (M.Sc., (Plant, Sciences,, Centre, for, Plant, Health, Management))--University, of, the, Free, State,, 2007","Tobacco, --, Diseases, and, pests","Wilt, diseases","Plant, parasites, --, Biological, control"]]
    预览  |  原文链接    [浏览：0 下载：0]
  • Identification of a putative protein kinase gene involved in the resistant response of sunflower to rust
    颁布单位：[University of the Free State] |  颁布时间：2006 |  实施时间：2006 |  学科分类：[["Dissertation, (M.Sc., (Plant, Sciences))--University, of, the, Free, State,, 2004","Sunflowers, --, Disease, and, pest, resistance, --, Genetic, aspects","Sunflowers, --, Diseases, and, pests","Rust, diseases, --, South, Africa","Puccinia, helianthi","DDRT-PCR","Protein, kinase, gene","Plant, defense","Helianthus, annuus"]]
    预览  |  原文链接    [浏览：0 下载：0]
  • Verfyning en verbetering van 'n donsige skimmel waarskuwingsmodel vir die Wes-Kaap
    颁布单位：[University of the Free State] |  颁布时间：2006 |  实施时间：2006 |  学科分类：[["Vineyards, --, Diseases, and, pests, --, South, Africa, --, Western, Cape, --, Forecasting","Model","Leaf, wetness","Rainfall","Air, temperature","Relative, humidity","Primary, infections","Secondary, infections","DSVW-model","Downy, mildew","Metos","Downy, mildew, diseases, --, South, Africa, --, Western, Cape, --, Forecasting","Dissertation, (M.Sc., Agric., (Agrometeorology))--University, of, the, Free, State,, 2006"]]
    预览  |  原文链接    [浏览：3 下载：0]
  • Establishment of serological and molecular techiques to investigate diversity of psittacine beak and feather disease virus in different psittacine birds in South Africa
    颁布单位：[University of the Free State] |  颁布时间：2004 |  实施时间：2004 |  学科分类：[["Dissertation, (M.Sc., (Microbiology,, Biochemistry, and, Food, Sciences))--University, of, the, Free, State,, 2004","Parrots, --, Diseases, --, South, Africa","Birds, --, Virus, diseases","Serology","PCR","Phylogenetic, analysis","Genetic, diversity","Haemagglutination, inhibition","Beak, and, feather, disease, virus","Antibodies","Psittacine, beak, and, feather, disease","Disease, virus","Haemagglutination"]]
    预览  |  原文链接    [浏览：0 下载：0]