All parts of plants, both above and below ground, are subject to infestationby pests and diseases.
Mechanical injury opens the way for infestation by diseases and some insects.
A characteristic symptom of thrips infestation is a silvering of the foliage, while the leaves are further rendered unsightly by the minute specks of hardened excreta ejected by the insects.
Spraying with black-leaf 40 would act as a deterrent to the flies, while infested leaves should be removed and destroyed before infestation becomes general.
However, root infestation has been overcome by using root stocks, such as Northern Spy, that are immune.
However, the infestation was found to be practically as great in this area as the unsprayed part of the woods.
At Eldred for the second brood infestation, the variety of each of the 10 record trees was reported, but there were so many varieties and they did not occur often enough in the five plots to make variety infestationdata reliable.
If the infestation is heavy, a second application may be necessary in about 8 or 10 days.
When theinfestation is severe, the discharge from the pustules mats down the hair, and scabs are formed, under which the insects swarm.
The sources of infestation are many, and the invasion of a house is not necessarily due to neglect, though the continued presence of the pests is quite another matter.
The possibility of their entering directly through the skin, especially in case of infestation of man, is not absolutely precluded, although it is doubtful.
When infestationis severe it is necessary to repeat treatment after three or four days in order to kill mites which have hatched from the eggs.
Such cases are exceedingly rare but instances of subcutaneous infestation are fairly numerous.
In the intestine of man, myriapods give rise to obscure symptoms suggestive of infestation by parasitic worms.
Lice infestation and its effects are known medically as pediculosis.
Pathogenic bacteria and those allied to the food poisoning group were only obtained from the congested or moderately congested areas and not from the suburban areas, where the chances of infestation were less.
The majority of the cases relate to infestation of the nasal fossae, or the frontal sinus, but intestinal infestation also occurs and there is one recorded case of the presence of a species in Julus (fig.
The mite readily transfers to man but does not persist, the infestation usually disappearing spontaneously in about two weeks.
Infestation probably occurs through eating raw or imperfectly cooked foods containing eggs or minute larvae of these insects.
Infestation of human beings occurs only through accidental ingestion of an infested flea.
The young females move about more or less at night and thus the principal source of infestation is through sleeping in the same bed with an infested person, or indirectly through bedclothes, or even towels or clothing.
It is probable that infestation usually occurs through eating partially decayed fruit or vegetables on which the flies have deposited their eggs.
The decayed fruits fall to the ground or more often hang to the tree, becoming shriveled mummies, each mummy being a storehouse of fungus threads and spores from whichinfestation spreads to the next crop.
Good culture and a dressing of some fertilizer will help to carry young orchards through an infestation though treatment to a dose of a pound of ground tobacco stems worked in the soil about the roots may be necessary.
The number of dens per 2 acres varied from none to a maximum infestation of 12, neither extreme occurring over large areas.
This has resulted in a constant increase of weevils until infestation of the nuts became practically one-hundred per cent.
A tree whose needles had turned red would indicate to him that the infestation was more than a year old, since trees attacked in the spring of one year usually do not show the results until the following summer.
The next important step is to prevent the infection and infestation of sound trees by getting rid of all diseased and insect-infested living and dying trees.
The highest rate of infestation by botflies occurred in 1961, the year in which the population density of P.
Warble infestationwas higher in the first half of October (16 per cent of the mice infected) than in the second half of the month (5.
I've never seen an infestation like those Lani had.
And so far there doesn't seem to be any infestationoutside of Hillside Station--except for two deaths in Lani recently sent from there.
None of the five specimens shows infestation of the frontal sinuses by parasites.
Of seventeen adult or subadult skulls of this race from Minnesota, ten have obvious marks of infestation of the frontal sinuses.
The skull is unbroken and complete except for osseous tissue destroyed in the region of each postorbital process; this is the result of infestation of the frontal sinuses by parasites.
Of the 6 specimens examined, only one, the type, shows malformation of the frontal sinuses such as result from infestation by parasites.
The skull shows malformation of the frontal sinuses due to parasites and lacks osseous tissue where the parasiticinfestation was localized.
Each of the adult and subadult specimens, except the one from Perry, shows malformation resulting from the infestation of the frontal sinuses with parasites.
Two of the nine skulls (only 3 adult) examined for malformation of the frontal sinuses reveal infestation by parasites.
None of the three skulls referred to this subspecies shows infestation of the frontal sinuses by parasites.
The frontal sinuses of the type are malformed as a result of infestation by parasites.
Sixteen of twenty-nine adults examined show infestation of the frontal sinuses by parasites.
None of the eight available skulls show anyinfestation of the frontal sinuses by parasites.
Only two of the 23 skulls show evidence of infestation of the frontal sinuses by parasites.
None of the skulls examined shows malformation of the frontal sinuses such as results from infestation by parasites in some races.
Only one of the three skulls, that of the female, shows evidence of infestation of the frontal sinuses by parasites, and this did not result in malformation of the interorbital region.
The skull (plates 2-4) shows malformation of the frontal sinuses owing to parasites and lacks osseous tissue where the parasitic infestation was localized.
In the case of the Japanese beetle a second application may be necessary if the infestation is heavy.
In cages where the infestation was heavy, an abnormally large number of females dropped their oothecae, and the percentage of eggs hatching was low.
They were apparently thriving on a heavy infestationof cockroaches.
This was a natural infestation of a laboratory culture by a predator.
The infestation of markets by this species has been described above.
Doucette and Smith (1926) reported a heavy infestation of P.
The infestation ranged from 1 to 36 worms per cockroach with averages of 3.
Unusual infestationof a ship with black widow spiders.
The infestation in the linen department was traced to clean towels which, when returned from the laundry, contained at least 500 cockroaches per bundle.
When the infestation is only moderate, this latter method is not advised, owing to the lateness of the time of horse-hoeing.
The burning or flame of that love, which is zeal, is a spiritual burning or flame, arising from an infestation and assault of the love.
Horses are subject to infestation by a number of species of worms, these worms being especially numerous at certain points in the alimentary canal.
Infestation with the adult worms in the stomach of the horse (Pl.
All the infestation at the edges of these spots must be destroyed.
When the infestation is in only a few spots in the field, the remedy is to cover with straw, soak with kerosene oil, and burn.
The year prior to the time these trees were sprayed he had about 40 per cent of the nuts infested, and the year these were sprayed the infestation dropped they came down to about one percent.
When they, in nests along the way, A German infestation found, The vermin pest was cleared that day.
On the way, they eliminate German infestation whenever they encounter it.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "infestation" in a variety of sentences. We hope that you will now be able to make sentences using this word. Other words: blight; invasion; overrunning; placid; plague; ravage; swarm; swarming
