How to use aphid in a sentence

Looking for sentences and phrases with the word aphid? Here are some examples.

Sentence Examples The biggest concern in the Pacific Northwest is the green peach aphid, because the aphid transmits leaf roll and other viruses. Green lacewings, like ladybugs, diminish aphid and mealybug populations, as well as thrips. The corn leaf aphid can be found on corn, sorghum, wheat and barley in Nebraska. The Russian wheat aphid is a major pest of winter wheat and barley in the United States and worldwide. Only two pulses were highly susceptible to feeding damage, with cowpea aphid establishing critical populations on faba bean and lentil. Maintain strict aphid control at all times, especially in late spring and early summer when aphid populations are highest. Studies of other aphid species have reported that pods are higher quality plant food than leaves. The current threshold for late vegetative beans with actively increasing aphid populations is 250 aphids per plant. Martin Stufkens is predicting the lettuce aphid will travel interstate this summer. Winged forms of the aphid can transmit the virus to healthy raspberries from nearby infected brambles. Communication of aphid attack between plants has recently been shown to involve other volatiles. The problem is that it is a very potent aphid eater and thus potentially useful in biological control of pest species. The aphid feeds within the whorl of the upper leaves, causing the leaf to remain tightly rolled. Heavy aphid infestations, lacking predator activity, may warrant rescue treatment. In spring, fertilized aphid eggs hatch under the bark of a cottonwood tree. As with the aphid controls, we rosarians have an arsenal of weapons with which to combat these pesky critters. Spiny brown growths resembling hollow cones that form at branch tips on Colorado spruce are caused by an insect called Cooley spruce gall aphid. Damage from the Russian wheat aphid ranges from yellow or whitish streaking to purpling of the damaged leaves. Therefore, the cereal insecticides market can be considered an aphid market. There is still a small amount grown in South Taranaki, but it's a bit of a fiddle, according to Dunlop, with an aphid that attacks it now, meaning it must be sprayed. Show More Sentences Johnson says if growers are finding ants in their fields, this is a very strong indication of high aphid populations in that general area. He credits a keen eye to marketing the crop and an aggressive aphid control strategy as pivotal for grower success in his area. Eventually botanists worked out that the aphid had been accidentally imported on vines from the United States. Rothamsted Research, home to the Broadbalk experiment, has been tracking aphid infestations for 50 years. Linalool, a very common component of flower odours, is known to have a repellent effect on the carrot aphid, Cavariella. One of the major impacts of aphid attack in many crops is the virus diseases they transmit. Baute says a minimum of two field visits is required to confirm an increasing aphid population. This suggests that the presence of quack grass in a barley field may help protect it from aphid attack. Ongoing scouting remains critical to get the best assessment of aphid impact. He added the board is also revisiting their aphid monitoring program to ensure it's as effective as possible. Green and Clean also offers live predator insects for grub, aphid, and thrip control. Young aphid infested trees grow more slowly and make it difficult to develop good tree structure. Monitor for aphids, and apply as a foliar spray once the aphid population has started to build up but before winged aphids are seen. We investigated the control of several insects, for example, leaf cutter bee parasites, cutworms, grasshoppers, and Russian wheat aphid. It would be advisable to test cultivars against aphid populations in areas where they will be grown. Also, four breeding lines of winter barley and three feed barleys set to be released within the next few years show resistance to both aphid biotypes. Unlike the more familiar and common pea aphid, relatively few spotted alfalfa aphids can significantly reduce the growth of alfalfa, particularly in new seedings. We believe that it may be suffering from an aphid attack as it is covered in cotton wool-like clusters which have formed on the underside of the tree's branches. In return they feed on a secretion made by the aphid, called honeydew. A key reason that experts recommend growers hold off on spraying until the threshold is to allow the opportunity for natural predators, such as lady bugs, to control the aphid population. Show More Sentences Coccinellid beetles and hemerobiids, and other such predators are most likely to have a major impact on aphid densities. This statement is supported by in-vitro experiments data where extracted forisomes responded to application of aphid salivary compounds. Two European leaf feeders, the jumping plant louse Psylla ulmi and the aphid Tinocallis platani,. are both normally restricted to Ulmus laevis. Some become invasive, for example the oleander aphid, accidentally introduced with the ornamental plant, oleander. Concentrating first on entomology, he studied the habits of the aphid and found that the female insect was able to reproduce without fertilization by the male. So by helping her colonymates survive and procreate, an aphid ensures that her own genes are passed on to future generations. The aphid colonies grow inside galls, abnormal outgrowths on plants. The duo screened seedlings from 132 wild populations of black raspberries for aphid resistance. There are rows of marigold flowers growing at various locations within the greenhouse to repel insects from the crops, and ladybug beetles are also used to control aphid and whitefly populations. Apply fatty acid-based winter washes to dormant fruit trees to control overwintering eggs of aphid, apple sucker and scale insect. Curiously, crop experts report that a field with a very high aphid population may be adjacent to a field with as little as ten to 20 aphids per plant. Survey of flying viruliferous aphid species and population build-up of Aphis glycines Matsumura in soybean fields. Using highresolution satellite data since the 1980s, RCMRD has provided alert warning information on forest degradation, land degradation, pollution of water systems, cypress aphid infestation monitoring in East Africa. Accession and plant physiological age, but not aphid developmental stage, influenced all life-history parameters, except for alate morph production which was not induced on the resistant accessions. Incidentally, it may be stated that beside the sexuale mentioned above, no other sexuale of any aphid species had been known to occur in Bihar. Because they are strong fliers and able to hover and inspect foliage for aphids, syrphids may be especially good at locating aphid colonies. For Spruce gall aphid apply in 1st half of May. For spruce gall aphid, apply in early May. Although previous results suggest the systemic action of products with azadirachtin, only a delay in aphid infestation would be expected. It could be birds simply pulling at them, but most likely it would be the aphid that gets on Honeysuckle destroying the embryo budlet. In the UK, most seed potatoes originate in Scotland in areas where westerly winds prevent aphid attack and thus prevent spread of potato virus pathogens. Show More Sentences Resistance in triticale to Russian wheat aphid and greenbug. Aphid type was defined as a combination of aphid colour and symbiotype. This lady beetle is unusual because a large portion of its California population migrates to the mountain ranges when aphid populations in the Central Valley drop in summer. Influence of temperature on reproduction, development, and intrinsic rate of inerease of Russian wheat aphid, greenbug, and bird cherry-oat aphid. This industrial chemical product may be an effective aphid repellant as well as an attractant for aphid predators, which includes the seven-point lady bug. Hunter has already uncovered genes that help the aphid produce special enzymes that act as detoxifiers when the insect is exposed to chemical pesticides. Aphid honeydew, a potential stimulant of Cochliobolus sativus and Septoria nodorum and the competitive role of saprophytic mycoflora. Aphid individuals were found mostly on the peduncles of panicles, some on the spikelets, and very few on the leaves. Examples from Classical Literature The reproduction of the aphid constitutes one of the most interesting chapters in the history of the animal kingdom. The heterogamy of the allied Coccid is practically the same as that of the aphid. He laughed in my face, and brought forward certain well-known facts in the reproduction of the aphid or cabbage-louse. I once observed a young spider approaching an aphid, which was facing its enemy. The influence of rhythmically fluctuating temperatures on the development and reproduction of the spotted alfalfa aphid, Therioaphis maculate. Aphid The plant louse, of which there are a great many kinds. Find more words! 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Words that rhyme with aphid What is the plural of aphid? Translations for aphid Use our Sentence Generator Nearby Words aphesis apheresis aphelion aphasic aphasia aphanitic aphides aphids aphis aphonia aphonic aphorism 5-letter Words Starting With a ap aph aphi