western flower thrips host plants

Based on pesticide resistance studies, western flower thrips has various metabolic detoxification enzyme systems that could help it to overcome secondary plant defenses (Jensen 2000; Espinosa et al. Because of its polyphagous feeding and breed-ing behavior, western flower thrips is exposed to a broad diversity of plant allelochemicals (Feyere-isen 1999). Feeding by these tiny insects causes plant cells to collapse, which may eventually result in distorted As these parts of the plant grow, they can become severely deformed. Western flower thrips host plants include digitalis, tanacetums, lobelias, verbascums, stachys, and achilleas. Both viruses affect a wide range of plants, and often a single host plant may be infected by both viruses. Western flower thrips, Frankliniella occidentalis P. (Thysanoptera: Thripidae) is a major agricultural and horticulture pest worldwide (Kirk, 2002; Kirk and Terry, 2003).It causes damage and spoilage to a vast number of economically important plant species through feeding, oviposition and spread of several plant diseases, most notably tospoviruses (Morse and Hoddle, 2006). Several species of thrips can infest greenhouse floral crops, but the most severe and common pest in recent years has been the western flower thrips (WFT), Frankliniella occidentalis. Plants were sampled primarily while in flower. Rearing of Western Flower Thrips.A culture ofF. Damage includes feeding scars and leaf distortion (see Figures 9 and 10). Hosts. Western flower thrips, Frankliniella occidentalis, feeds in a piercing sucking manner and is a worldwide pest on many ornamental and vegetable crops. Photo: Thrips: www.gardentech.com Thrips are tiny insects that are mainly active at night. The western flower thrips (Frankliniella occidentalis) is the most important vector for both tomato spotted wilt virus (TSWV) and impatiens necrotic spot virus (INSV). TSWV has a very wide host range, and the only thrips that transmits the virus in a persistent way. WFT damage plants directly by feeding, and indirectly by acting as vectors for the tospoviruses impatiens necrotic spot virus (INSV) and tomato spotted wilt virus (TSWV). Distribution and host range. Crops attacked by this pest include beans, burdock (gobo), capsicum, cucumber, eggplant, lettuce, onion, tomatoes and watermelon. Other thrips will attach the following host plants - annual asters, dahlias, gladioluses, lilies, tuberous begonias and wax begonias. Western Flower Thrips John P. Sanderson Introduction. Female adult western flower thrips of different age were randomly collected with a small aspi- HOSTS. Western flower thrips can damage flowers, such as roses, with petal discoloration as a result of thrips feeding. On leaves thrips can ingest the cell contents of The female makes an incision into the leaf, stem or fruit of plants with her serrated ovipositor and deposits a single egg. This generally occurs in the compost or soil below the plant on which the larvae fed. Abstract. Life stages Egg. Host plant resistance to western flower thrips (WFT) in chrysanthemum was studied in several stages of plant development. We confirmed whether α-ionone is effective for the combination of Arabidopsis and western flower thrips by releasing adult female thrips onto the leaf surface of wild-type (Col-0) plants that were treated with 300 μM α-ionone. The maxillae then ingest the fluids from the cells, but not directly from the vascular tissue. The objective of this study was to investigate quantitative host plant resistance to thrips in carrot and to identify candidate compounds for constitutive resistance. Scarring on avocados. Western flower thrips will … Carnations, chrysanthemums, gerberas, geraniums, marigolds, pansies, and roses are the major host plants. The western flower thrips (Frankliniella occidentalis) is the most important vector for both tomato spotted wilt virus (TSWV) and impatiens necrotic spot virus (INSV). Host Plants: This thrips feeds on almost any flowering plant. Western flower thrips (WFT) Frankliniella occidentalis continues to be a serious pest of floriculture crops in New England. Thrips palmi was first described by H. Karny in 1925 from specimens collected in 1921 on tobacco in Sumatra. Management. Thrips can feed on different parts of the plant; leaves, stems, flowers and fruits. Onion thrips (Thrips tabaci), top, and western flower thrips (Frankliniella occidentalis), bottom are typical thrips, none to easy to tell apar! Unfortunately, there is little basic ecophysiology information on the response of western flower thrips to host plant chemistry. Damage: The western flower thrips feeds on the flowers and foliage by inserting its modified left mandible into the tissue, and sucking the fluids from cells. western flower thrips, Frankliniella occidentalis (Pergande), one of the most destructive insect pests of greenhouse-grown crops. Chlorogenic acid is involved in host plant resistance to Western Flower Thrips (Frankliniella occidentalis), one of the key agri- and horticultural pests worldwide. Western flower thrips has a punching-sucking feeding habit, using the mandible to punch a hole into the host and then inserting the maxillae into the opening. Western flower thrips prefer to feed on developing plant tissues, such as growing tips and flower buds. 2005). As a result, you typically see the damage they cause well before seeing the insects themselves. 1 INTRODUCTION. Both viruses affect a wide range of plants, and often a single host plant may be infected by both viruses. The western flower thrips were originally from the western US, but began to spread in the 1960s and are now a global pest. Western flower thrips (Frankliniella occidentalis) develops from an active larval stage through to a non‐feeding, almost immobile, pre‐pupal and pupal stage. It was collected on 64 plant species, all of which were hosts for WFT. Introduction . occidentaliswas main-tained on potted, flowering plants of the susceptible chrysanthemum cultivar Sunny Cassa in a greenhouse at258 C and70% relative humidity. The western flower thrips, Frankliniella occidentalis (Pergande) (Thysanoptera: Thripidae), is an important invasive pest that damages a range of horticultural and agronomic crops worldwide (Reitz 2009, Mouden et al. Western Flower Thrips. Western flower thrips (WFT), Frankliniella occidentalis (Pergande), forms a key agri‐ and horticultural pest worldwide. 106); however, the western flower thrips is the more important vector. Western flower thrips have a broad host range of more than 500 species in 50 plant families and are associated with many cultivated crops and ornamentals. The number of WFT on non-flowering plants was significantly lower than on flowering plants or single cut flowers. The egg is cylindrical and slightly kidney shaped. Onion thrips is a key pest of onions, but will also attack the young growth of capsicum, cucumbers and the flowers of some flower crops. α-Ionone decreased the number of eggs laid by female thrips on wild-type leaves (Figure 4; p < 0.005, t = 2.56, df = 18). Successful IPM programmes for management of western flower thrips (WFT), Frankliniella occidentalis, on UK strawberry crops have been developed using knowledge of its biology and behaviour (Bennison The western flower thrips [Frankliniella occidentalis (Pergande)] is an invasive pest insect in agriculture. Heavily infested flower buds may not open at all, and fruit can be damaged, even with low thrips populations. Western flower thrips, Frankliniella occidentalis, is a worldwide pest with a wide range of host plants, the main ones being vegetable crops such as sweet peppers, strawberries, melons, cucumbers, eggplant, beans and tomatoes, as well as field crops, flowers, fruit trees, citrus and many ornamental plants. Onion thrips and western flower thrips are found widely throughout New Zealand on a broad range of crops. Small spider immatures (first and second instars) of several species were common on certain host plants, and are likely to feed on WFT. Western flower thrips, the primary thrips species encountered by greenhouse producers, is extremely polyphagous, feeding on a wide-variety of horticultural crops grown in both commercial and research greenhouses. Large numbers of young flush leaves were killed which negatively impacted ACP, as ACP is dependent on flush for oviposition and nymph development. 117) and melon thrips (see Fact Sheet no. The platform was used to establish host-plant preference of thrips with a large plant population of 345 wild Arabidopsis accessions (the Arabidopsis HapMap population) and the method was optimized with two extreme accessions from this population that differed in resistance to thrips. To avoid misunderstand-ings and misinterpretations, it is clear that the term “host plant” must be applied in the proper context. to select for host plant resistance or tolerance . One hundred thirty species of native and introduced plants growing in uncultivated land adjacent to apple and pear orchards of central Washington and northern Oregon were sampled for the presence of the western flower thrips (WFT) Frankliniella occidentalis (Pergande, 1895) and potential thrips predators. western flower thrips. Plant length and leaf area of non-flowering Dendranthema grandiflora Tzvelev were reduced after WFT infestation, and these two variables were correlated. The behavioural responses of adult female western flower thrips, Frankliniella occidentalis (Pergande) to volatiles from meadow-sweet (Filipendula ulmaria), bay laurel (Laurus nobilis) and sage (Salvia officinalis) were investigated in laboratory bioassays. TSWV is a tospovirus spread by western flower thrips, onion thrips (see Fact Sheet no. Western flower thrips has a host range of hundreds of plant species, including many major commercial floriculture crops. On avocados, thrips can cause brown or silver scarring on the fruit. This cosmopolitan and polyphagous invader is abundant in many field and greenhouse crops. Volatiles collected by entrainment of a solvent extract of F. ulmaria were more attractive than was the original extract. Western flower thrips (WFT), Frankliniella occidentalis (Pergande) (Thysanoptera: Thripidae) is a native insect of the western part of North America that was first reported in 1895.In the 1970s and early 1980s, this species spread throughout North America (Beshear 1983). This species of thrips is native to the Southwestern United States but has spread to other continents, including Europe, Australia (where it was identified in May 1993), and South America via transport of infested plant material. Western flower thrips also vector some potentially devastating diseases, such as Impatiens necrotic spot virus or Tomato spotted wilt virus . The second most abundant predators were spiders (Araneae). Damage. An infestation of Western Flower Thrips (WFT), Frankliniella occidentalis (Pergande), recently developed on young citrus trees in a greenhouse devoted to rearing Asian citrus psyllid (ACP), Diaphorina citri Kuwayama. 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