Zobrazeno 1 - 10
of 199
pro vyhledávání: '"D. S. H. Drennan"'
Autor:
D. S. H. Drennan, A. S. Saropulos
Publikováno v:
Biologia plantarum. 51:690-698
Maize (Zea mays L.) seedlings of two cultivars (cv. Bastion adapted to W. Europe, and cv. Batan 8686 adapted to the highlands of Mexico), raised in a glasshouse (19–25 °C), were transferred to 4.5 or 9 °C at photon flux density (PPFD) of 950 µmo
Autor:
E. A. Jennings, D. S. H. Drennan
Publikováno v:
Weed Research. 19:75-80
Summary: Trifluralin in cotton and benfluralin in groudnut. incorporated pre-planting. gave satisfactory control of grass weeds and increased crop yields substantially. Oxadiazon as a pre-planting treatment did not give satisfactory additional contro
Publikováno v:
Weed Research. 21:317-324
Summary: Absorption of methazole by leaves of onion (Allium cepa), Stellaria media, Matricaria matricarioides and Veronica persica was rapid for the first 24 h after treatment and continued at a slower rate for up to 6 days to reach a maximum of betw
Aspects of the selective phytotoxicity of methazole. II. Behaviour in plants following root exposure
Publikováno v:
Weed Research. 21:307-316
Summary: The absorption, translocation and degradation of methazole were examined in onion, Stellaria media, Matricaria matricarioides and Veronica persica grown in culture solution. After a short period of initial rapid uptake, all four species abso
Publikováno v:
Pest Management Science. 57:72-81
Carbofuran was incubated in top-soil and sub-soil samples from a pesticide-free site at a range of initial concentrations from 0.1 to 10 mg kg−1. Amounts of the incubated soils were removed at intervals over the subsequent 12 months, and the rate o
Publikováno v:
Pesticide Science. 55:301-311
Degradation of carbofuran in a topsoil sample from a previously untreated field site in the UK was characterized by a short lag period followed by rapid degradation. Carbofuran added subsequently to the same soil degraded rapidly without the lag peri
Autor:
D. S. H. Drennan, A. E. Dale
Publikováno v:
The Journal of Agricultural Science. 128:37-44
Maize seedlings (cultivars Bastion, Ace, Anko and Mirna) were raised for 15, 30 or 45 days in a glasshouse and planted in the field between early May and mid-June in 1989 and 1990, at 10 plants/m2. Samples of transplants and direct-seeded crops of th
Autor:
A. E. Dale, D. S. H. Drennan
Publikováno v:
The Journal of Agricultural Science. 128:45-50
Maize kernels were soaked for 16 h in solutions containing the growth regulators BAS 106.W at 40 or 80 mg/l, PP333 at 80 or 160 mg/l, or BNO 0184 at 100 or 150 mg/l. The plant growth regulator (PGR)-treated kernels and water-soaked controls were sown
Autor:
D. S. H. Drennan, A. E. Dale
Publikováno v:
The Journal of Agricultural Science. 128:27-35
Agroclimatic conditions in the UK are not ideally suited to maize (Zea mays L.) as a grain crop. An alternative growing technique to direct-seeded maize was investigated at Reading University over three growing seasons, using four cultivars (Bastion,
Autor:
D. S. H. Drennan, K. O. Adu‐Tutu
Publikováno v:
Tropical Pest Management. 37:252-255
Metsulfuron methyl (Ally‐Dupont), a sulphonylurea herbicide, was tested at rates of 0.5–2.0 g a.i./ha for the control of Striga hermonthica (Del.) Benth. in two cultivars of sorghum in pot experiments. There was good to excellent Striga control a