All the water variables and blackfly
density at each place have been expressed as mean [+ or -] standard error of mean (SEM).
Aphids, also known as the greenfly, blackfly
or plant lice, are minute soft-bodied insects found worldwide that suck the sap from the stems and leaves of various plants and cause damaging effects to crops, fruit trees, gardens, house plants and more.
Watch out for is pests and diseases, especially aphids, blackfly
, butterfly eggs, caterpillars and slugs.
Nine-year-old Donna Evans is waging war against the blackfly
which have developed a taste for the children's broad beans.
Insecticides based on natural materials include pyrethrum (Py Garden Insect Killer, Doff All In One Bug Spray, Gem Stop Bugs, Westland Bug Killer, Nature's Answer Natural Pest Control), rotenone (Bio Liquid Derris Plus), fatty acids (Bayer Organic Pest Control, Doff Greenfly and Blackfly
Killer, Fito Get Off Insect), plant and fish oils (Vitax Organic 2 in 1 Pest and Disease Control), plant extracts (Growing Success Fruit & Veg Bug Killer, Growing Success Shrub and Flower Bug Killer) and mineral lattice (SB Plant Invigorator).
Each application offers up to four months' protection against vine weevil, but will also help control greenfly, blackfly
and whitefly for up to six weeks.
Keep an eye out for an early attack of aphids (greenfly, blackfly
and so on) on herbaceous plants and roses.
Within a short period of time, greenfly and blackfly
can smother the stems of plants as they invade your garden, reproducing quickly.
The name river blindness comes from the association of the disease with the fast-flowing rivers where the blackfly
breeds -- and near which the victims usually live.
PINCH out soft tips of broad beans to cut risk of blackfly
If greenfly and blackfly
are a problem, introduce a predatory midge larva or a parasitic wasp and either will keep pest levels down.
A NEW kit enables gardeners to breed ladybirds which are noted for their capacity to consume greenfly and blackfly
An entomologist based in Cambridge now believes the severe allergic reaction was caused by blackfly
and he was due to arrive in north Warwickshire today to try and catch a specimen to confirm his suspicions.
Being observant he noticed that runner beans are frequently attacked by blackfly
And with a bit of care (watch for blackfly
and greenfly), they should flower for years.