Pyrethrum Sentence Examples

pyrethrum
  • Pyrethrum cinerariaefolium is exported for the manufacture of insect-powder, and sunflowers are cultivated for the oil contained in their seeds.

    0
    0
  • The pyrethrum grows best in soil of a loamy texture; this should be well manured and deeply trenched up before planting, and should be mulched in the spring by a surface dressing of half-decayed manure.

    0
    0
  • Other prominent species are Campanula, Pyrethrum, aconite, Cephaelis, speedwell, Alchemilla sericea, Centaurea macrocephala, Primula grandis and a species of primrose.

    0
    0
  • They have a similar activity to the natural compound pyrethrum, which is extracted from plants of the Chrysanthemum family.

    0
    0
  • If they are completely infested, we feel that the only safe product to use is a pyrethrum based powder.

    0
    0
  • Can be used in the automatic aerosol dispensers for control of Flies in roof voids (natural and safe pyrethrum ingredient).

    0
    0