Zobrazeno 1 - 10
of 19
pro vyhledávání: '"N. G. M. Hague"'
Publikováno v:
Annals of Applied Biology. 131:11-27
Summary Trials conducted under glasshouse conditions showed that control of Otiorhynchus sulcatus larvae in strawberry plants can be effective using Steinernema carpocapsae and Heterorhabditis megidis, given that temperature and moisture extremes are
Publikováno v:
Communications in agricultural and applied biological sciences. 71(2 Pt)
Larvae of the beet armyworm, Spodoptera exigua, and the diamondback moth, Plutella xylostella, and nymphs of the desert locust, Schistocerca gregaria were controlled by the application of either cell suspensions from the bacterium, Xenorhabdus nemato
Autor:
N. G. M. Hague
Publikováno v:
Annals of Applied Biology. 93:205-211
SUMMARY The assessment of larval emergence from cysts, second stage larval behaviour in soil, invasion of roots, development within roots and the final population provides a technique which can be used for evaluating the efficacy of any non-volatile
Autor:
N. S. Price, N. G. M. Hague
Publikováno v:
Annals of Applied Biology. 99:301-306
SUMMARY Newly germinated seedlings of susceptible cultivars of oats, wheat, barley and rye were inoculated with second-stage juveniles of Heterodera avenae in pots of sand. Subsequent examination showed oat root tips to be more commonly invaded, and
Autor:
N. G. M. Hague, M. Damadzadeh
Publikováno v:
Plant Pathology. 28:86-90
SUMMARY Carbofuran, phoxim and thiofanox dips and aldicarb, carbofuran, phenamiphos and thiofanox granular applications were compared with a thionazin dip in pot experiments in a glasshouse to control stem nematode (Ditylenchus dipsaci (Kuhn) Filipje
Autor:
R. Georgis, N. G. M. Hague
Publikováno v:
Annals of Applied Biology. 99:171-177
SUMMARY A nematode parasitic on prepupae of larch sawfly (Cephalcia lariciphila) appears to be indistinguishable from Neoaplectana carpocapsae. Of three temperatures tested the optimum for development was 25 °C at which most eggs were produced in bo
Autor:
N. G. M. Hague, Irene L. Riding
Publikováno v:
Annals of Applied Biology. 78:205-211
SUMMARY Howardula sp. parasitizes the Mushroom phorid fly Megasalia halterata destroying the fat body and follicular membrane of the fly, decreasing copulation and egg output. With increasing hyperinfestation the fly is rendered sterile. Howardula sp
Autor:
N. G. M. Hague, G. L. James
Publikováno v:
Plant Pathology. 16:148-152
SUMMARY In glasshouse soils infested with grey sterile fungus, the cause of brown root rot of tomato, and the potato cyst nematode, methyl bromide fumigation increased yield, and controlled the nematode at all except the lowest treatment applied. In
Publikováno v:
Plant Pathology. 18:6-9
SUMMARY Dipping tulip bulbs in aqueous solutions of several organophosphorus compounds controlled infestations of Ditylenchus dipsaci. One of the chemicals, thionazin, has been used commercially with good results.
Autor:
N. G. M. Hague, R. E. Purnell
Publikováno v:
Journal of the Science of Food and Agriculture. 16:421-424
Narcissus bulbs are damaged by methyl bromide at dosages (above 500 mg.h./l.) lethal to the nematode. Warm storage before fumigation reduces phytotoxicity but decreases nematode susceptibility.