文档介绍：ENVIRONMENTALLY FRIENDLY GARDENING / Organic Gardening / SG 1
this pest; aphids suck sap from as per the instructions supplied. Perennial weeds are not wimps.
the buds, leaves and stems of Within 3-5 days of application
many plants. Often the first the nematodes will control slugs Mulching with a deep layer of
indication of them is skeletal-like on and beneath the surface. anic matter on clean soil will
white shed skins on the surface application will last for up to six help keep down annual weeds.
of the leaves below. They fly in weeks.
from outside so you need to Hoeing while weeds are small is
remain vigilant and spray with a Thrips: (Rarely a problem in the effective when the weather is
soft soap or Pirimicarb spray the domestic greenhouse or garden). dry. It is not very essful
moment you spot any. This Pest is what many of us where the rainfall level is high or
think of as a “Thunder Fly”: on heavy soil.
Control: Aphidius (for greenhouse narrow, dark grey, flying insects,
or conservatory only) are with cigar-shaped yellow larvae. Well-established ground cover
parasitic midges, which are It sucks juices from plants and plants are great weed
barley noticeable; they lay their severely disfigures and distorts suppressers – hostas, junipers,
eggs inside Aphids turning them leaves and flowers. Probably berginia, some geraniums, and
into brown, crispy ‘mummies’