Sentences with phrase «control aphids»

Despite the strenuous efforts of anti-GM protestors, a field experiment was conducted, a clear result was obtained, and the scientists involved can now use this information to refine and improve their technical approaches to control aphids in crops without using insecticides.»

Control aphids and avoid planting near alfalfa.

Plant resistant varieties and control aphids.

Control aphid vectors, practice good sanitation, and plant resistant varieties if available.

His work on aphids has broadened to examine the molecular basis of all aphid interactions with their environment, including the genetic and epigenetic factors controlling aphid polyphenism and the molecular basis of insecticide resistance.

Not exact matches

Cherim is the founder of the Green Spot LTD, based in Nottingham, N.H., a wholesaler and distributor of biological pest controls — you know, «good» bugs like miniwasps and parasitic nematodes that devour «bad» bugs like aphids and fleas.

Control: Usually, aphid predators and parasites keep the aphid numbers low, but the aphids can multiply quickly.

Control: PVY is carried by aphids.

Control: Aphids carry PeMV.

Control: Aphids carry AMV.

Fertilization and strict weed and pest control are important; the plants are especially vulnerable to a number of pests and plant diseases like pepper budworm, mites, crickets, and aphids.

As an example of using organic mechanisms to control pests, one of Organic Crop Protectant's products, Eco Oil, attracts natural predators such as lady beetles to attack plant pests such as scale, aphids, mites and leafminers.

I don't like to use chemical composition.Thanks in advance, Marco BudinisGenova, Italy A: Hello Marco: Unfortunately, aphids are very difficult to control without using chemical insecticides.

What is the best pest control for aphids and other pests on just - germinated sprouts from chile seeds?

Furthermore, this approach has demonstrated a better natural pest control for a rape pest (the rape pollen beetle) in Germany72 and for the cherry oak aphid in Sweden73.

Oliver says the bacterial defenders also might be one reason why using the wasps to control pea aphid pests in U.S. farmer's fields doesn't always work.

Among the issues to be resolved there would be, for example, how to identify the environmental factors that control the production of aggressive morphs; what costs and benefits interaction involves for each participant; the taxonomic status of the deceit and the variability level in the chemical signal used for misleading ants; or what happens with related aphid species which also relate with ants.

The basic lines of his current work are three: in the first place, the study of evolutionary relations within aphids as well as the evolution of their life cycles; in the second place, the molecular bases that control the seasonal and circadian rhythms in aphids (and in insects in general) and their relation to vital cycles; and finally, myrmecophily in aphids, recently included.

First, the two main pest of hops — the twospotted spider mite (Tetranychus urticae) and the hop aphid (Phorodon humuli)-- might not require insecticides to be controlled.

And the third, the control group, was aphid - free but also separate from the other groups, unplugged from the soil «telephone» system.

When aphids attack a lettuce, they are notoriously difficult to control because they usually congregate in the tight central heart of the plant.

The harlequin ladybird (Harmonia axyridis) was introduced to some countries as a biological control agent against agricultural pests such as aphids.

These chemicals controlled a type of insect known as an aphid.

At the same time, exotic and foreign types — such as the orangey Asian ladybug, initially introduced to control pests such as aphids and mealybugs — are on the upswing.

re Dan H. 541 — that's what I meant by human population dynamics being «fortunately complex» — that it helps to control our population growth by being nice to each other (in specific ways), as opposed to how we would control deer or lady bugs (or aphids) or gypsy moths, etc. (would that change if deer reached a stage part - way between subsistence and affluence?

To help save the bees try natural methods of pest control — such as putting up bird boxes and blasting aphids with water.