Insecticide rates, seeding rates and australian soldier fly control in pasture

Robertson, L. N.; Davison, R. H.; Firth, A. C.

doi:10.30843/nzpp.1981.34.10638

Cited by 3 publications

(2 citation statements)

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“…Kunelius et al 1982;Belanger & Winch 1985;Hill 1985;Bellotti & Blair 1989). This approach can, however, greatly increase the pest burden on the establishing seedlings (Robertson et al 1981;Clements 1987;Bezooijen 1987;Barker 1989;this study). With death of the old pasture vegetation, the germinating seed and seedlings provide the only actively growing food source for pests.…”

Section: Discussionmentioning

confidence: 82%

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Pasture renovation: interactions of vegetation control with slug and insect infestations

Barker

1990

J. Agric. Sci.

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S U M M A R YIn a field trial at Rukuhia, New Zealand, ryegrass (Lolium perenne L.) and white clover (Trifolium repens L.) seed was direct drilled into pasture (i) without herbicide suppression of the resident sward, (ii) with banded application of glyphosate or paraquat herbicide at drilling to remove 50 % of the resident sward and (iii) after complete removal of the grass and weed components of the old sward with glyphosate or paraquat before drilling. These treatments were compared with the untreated old swards. Where the old sward was removed by herbicide before drilling, pests moved onto the drilled seedling rows, but, where herbicide was sprayed in bands over the drill rows, the pests remained in or moved into the residual bands of the old sward. Significant beneficial interactions between herbicide use and in-furrow applications of molluscicides and insecticides resulted in reductions in the numbers of pests on the seedling rows. The influence of vegetation control on the pest burden is discussed in the context of current pasture renovation practices.

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Section: Discussionmentioning

confidence: 82%

“…The use of herbicide to remove existing plant cover before drilling resulted in improved larval control as the insects were forced to feed on the toxic seedlings. Robertson et al (1981) showed that /. rubriceps larvae were attracted to the rows of seedlings in proportion to the quantity of germinating seed.…”

Section: Introductionmentioning

confidence: 99%

Pasture renovation: interactions of vegetation control with slug and insect infestations

Barker

1990

J. Agric. Sci.

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Interactions of seeding rate with pesticide treatments in pasture renovation by direct drilling

Barker¹,

Addison²,

Robertson

et al. 1990

New Zealand Journal of Agricultural Research

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Slug density‐seedling establishment relationships in a pasture renovated by direct drilling

Barker

1991

Grass and Forage Science

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Ryegrass and white clover were sown singly or in combination at various seeding rates by direct drilling into plots in which a range of slug densities had been established by molluscicide baiting. For both ryegrass and white clover, weights of individual seedlings and numbers and yields of seedlings per metre of drill row were significantly affected by slug density, ryegrass seed rate, clover seed rate and interactions of these factors. Plant losses increased asymptomatically with slug density, indicating higher rates of seedling destruction per slug at low slug densities.

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Insecticide rates, seeding rates and australian soldier fly control in pasture

Cited by 3 publications

References 0 publications

Pasture renovation: interactions of vegetation control with slug and insect infestations

Pasture renovation: interactions of vegetation control with slug and insect infestations

Interactions of seeding rate with pesticide treatments in pasture renovation by direct drilling

Slug density‐seedling establishment relationships in a pasture renovated by direct drilling

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