Chemical control of pests and diseases

Thrips:

Fumigate with nicotine 40% shreds (DowElanco Ltd) or Lindane smoke pellets (Octavius Hunt Ltd) at 14 day intervals. If the infestation is severe fumigation may be carried out 3 times at 7 day intervals, although this may result in some scorching of the plants. Alternatively, granules of Temik 10G (Union Carbide, or Basudin 5G (Ciba-Geigy Agrochemicals) may be sprinkled around and watered in. Please observe the safety recommendations supplied with the products when handling these chemicals.


Whitefly:
Fumigate with Lindane smoke pellets (see above) or Propoxur smokes (Octavius Hunt Ltd). Please observe the safety recommendations supplied with the products when handling these chemicals.


Sciarid (mushroom fly):
Fumigate with Lindane smoke pellets or Nicotine 40% shreds (see thrips above) to eradicate flies and incorporate Basudin 5G granules into the compost to kill the larvae. The compost and benches may also be drenched with a solution of Diazinon liquid (Murphy Chemicals Ltd) to eradicate the larvae. Please observe the safety recommendations supplied with the products when handling these chemicals.


Aphids:
Fumigate with 40% nicotine shreds. Please observe the safety recommendations supplied with the products when handling these chemicals.


Red Spider Mite:
Fumigate with 40% nicotine shreds maintaining a temperature of 25C for at least 8 hours alternately the plants may be sprayed with Pentac Aquaflow (Dow Agriculture Ltd) or Savona (Koppert UK Ltd). Please observe the safety recommendations supplied with the products when handling these chemicals.


Fungal Diseases:
Spray or drench plants with a solution of Benlate systemic fungicide (ICI Ltd). Please observe the safety recommendations supplied with the products when handling these chemicals.


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