WO2014091185A1 - Utilisation d'un composé pour lutter contre les insectes - Google Patents

Utilisation d'un composé pour lutter contre les insectes Download PDF

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Publication number
WO2014091185A1
WO2014091185A1 PCT/GB2013/000545 GB2013000545W WO2014091185A1 WO 2014091185 A1 WO2014091185 A1 WO 2014091185A1 GB 2013000545 W GB2013000545 W GB 2013000545W WO 2014091185 A1 WO2014091185 A1 WO 2014091185A1
Authority
WO
WIPO (PCT)
Prior art keywords
compound
hept
ene
formula
thrips
Prior art date
Application number
PCT/GB2013/000545
Other languages
English (en)
Inventor
Tariq BUTT
Zayed Saud ABDULLAH
Original Assignee
Swansea University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Swansea University filed Critical Swansea University
Publication of WO2014091185A1 publication Critical patent/WO2014091185A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/18—Vapour or smoke emitting compositions with delayed or sustained release
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
    • A01N65/08—Magnoliopsida [dicotyledons]
    • A01N65/22—Lamiaceae or Labiatae [Mint family], e.g. thyme, rosemary, skullcap, selfheal, lavender, perilla, pennyroyal, peppermint or spearmint
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M1/00—Stationary means for catching or killing insects
    • A01M1/02—Stationary means for catching or killing insects with devices or substances, e.g. food, pheronones attracting the insects
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N31/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic oxygen or sulfur compounds
    • A01N31/06—Oxygen or sulfur directly attached to a cycloaliphatic ring system
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N49/00—Biocides, pest repellants or attractants, or plant growth regulators, containing compounds containing the group, wherein m+n>=1, both X together may also mean —Y— or a direct carbon-to-carbon bond, and the carbon atoms marked with an asterisk are not part of any ring system other than that which may be formed by the atoms X, the carbon atoms in square brackets being part of any acyclic or cyclic structure, or the group, wherein A means a carbon atom or Y, n>=0, and not more than one of these carbon atoms being a member of the same ring system, e.g. juvenile insect hormones or mimics thereof
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
    • A01N65/08—Magnoliopsida [dicotyledons]

Definitions

  • the present invention relates to the use of a compound to control insects and in particular but not exclusively to the control of Thysanpotera, hereafter referred to as thrips.
  • insects cause damage by eating the foliage and stems of the plants and crops and also by laying eggs within plant tissue.
  • the insects can also act as vectors for the introduction of viruses and pathogens into the plants as the insects can introduce diseases into the plants by feeding which can introduce gut flora carried by the insect into the plant tissue.
  • the control of insect pests usually involves direct application of pest control agents or pesticides onto the crop.
  • known pest control agents or pesticides as they have adverse effects on other animals and the environment.
  • Known pesticides have the disadvantages in some instances of triggering undesirable reactions, such as poisoning or allergies, for agricultural and horticultural workers. Consumers are becoming increasingly reluctant to purchase edible crops that have been treated with chemical insecticides due to the fear of adverse effects on their health.
  • IPM systems Integrated Pest Management systems
  • IPM systems are becoming more wide spread than traditional chemicals insecticide control of insect pests.
  • a major component of IPM systems is the use of traps baited with attractants or pheromones to estimate insect pest population densities and distributions as well as monitoring for resistance to control measures.
  • Thysanoptera is a group of insects that cause damage to a wide range of agricultural and horticultural crops. Thrips cause damage through feeding, by penetrating parts of the plant and sucking plant fluids, causing scarring and stunting of plant growth. These scars and stunted plant parts can make the plants unsellable. Some thrips also spread plant viruses that can cause considerable plant losses. Thrips species can have specific plant hosts or be generalists, being able to make host on a variety of different plant species.
  • Thrips usually situate themselves within the enclosed parts of plants, such as within the flowers or leaf buds. Therefore, damage usually occurs before the thrips have been noticed. This is particularly detrimental to horticultural crops, as damage is usually only observed once flower buds have opened at a later stage. Thrips breed rapidly and hence large populations can build in a relatively short period of time.
  • Thrips are difficult to control with insecticides as they inhabit enclosed parts of the plants where insecticides are less likely to reach. In addition, Thrips quickly develop resistance to insecticides due to their rapid breeding. Pesticides used are also normally detrimental to beneficial arthropods that prey on insect pests and this is perceived as a negative impact to growers.
  • Biological control agents such as predatory mites and fungal pathogens are sometimes used to control thrips, however, their efficacy varies greatly depending on environmental conditions and on the plants they are used.
  • WO-A-9956538 discloses controlling growth of thrips, aphids and spider mites using a composition comprising a benzyl ester of an aromatic acid or aliphatic acid or a salicylate derivative.
  • WO-A-9962334 discloses controlling of populations of a wide variety of pests using pest control agents of defined formulae, which are esters containing a benzene nucleus conjugated to an olefinic double bond. Examples of such esters include cinnamyl acetate, cinnamyl benzoate, coniferyl acetate, coniferal benzoate, sinapyl acetate and sinapyl benzoate.
  • benzoate compounds may leave residues in the environment which are not desirable, especially in ecologically sensitive areas.
  • WO 2003/055309 discloses a method for monitoring/controlling thrips using a synthetic pheromone comprised stating an ester as the active component.
  • esters include neryl (S)-2-methyl butanoate, isobornyl isovalerate, isobornyl 2-methyl butanoate or isobornyl pivalate, lavandulyl valerate, lavandulyl isovalerate, lavandulyl 2-methyl butanoate and lavandulyl pivalate.
  • synthetic pheromones may not be as effective as natural pheromones.
  • the present invention seeks to overcome the problems associated with known modes of controlling thrips by providing a control agent that has minimal impact on the environment, is derived from natural materials and so is particularly effective in attracting thrips.
  • a compound of Formula (1) to modify the behavior of insects of the order Thysanoptera (thrips), wherein the compound of Formula (1 ) has the following structure:
  • Rl is a methyl group
  • R2 is a hydrogen group:
  • R3 a ketone group or a hydrogen group:
  • R4 and R6 are selected from hydrogen, methyl or ethyl groups and share a methyl group: and R5 is a hydrogen group.
  • the compound is selected from (-)-a-Pinene, ( ⁇ )-Myrtenol, alpha-copaene, 2-(2- Pinen-10-yloxy), Verbenone, Homomyrtenol, Pinenmerkaptan, (lR)-(-)-Nopol benzyl ether, Myrtenyl acetate, D-Verbenol, Myrtenal, Myrtecaine, Y GmbHe, alpha-bergamotene, Myrtenic acid, (lR)-(-)-Myrtenol, Nopyl acetate, (+)-3,6,6-Trimethylbicyclo[3.1.1]hept-2-ene, Nopyl formate, trans- Verbenyl acetate, 6,6-dimethyl-Bicyclo(3.1.1)hept-2-ene-2-propanal, 2-pinen-10- yl isobutyrate, Tricyclo(4.1.0.02,7)hept-3-ene, 6-methyl-methyl-
  • the compound is (H?)-cw-4,6,6-Trimethylbicyclo-[3.1.1]hept-3-en-2-one [(S)- (-)-Verbenone
  • the compound is incorporated with a carrier solution selected from one or more of hexane, acetone, salicylate or ether.
  • the compound of Formula (1) is used as an attractant.
  • the compound is incorporated in a release device.
  • the compound is included in a support layer forming part of the release device. It is envisaged that the support layer is a porous plastic material that can absorb the compound. It is preferred that the support layer has an adhesive coated on it.
  • the support and/or adhesive includes a compound for immobilizing and/or killing insects coming into contact with said adhesive.
  • the release device can release the compound at a rate of from 1 picograms per hour to 10 milligrams per hour of a compound.
  • the compound of fomula 1 is used to control one or more of Thrips palmi , Thrips tabaci, Frankliniella fusca, Frankliniella schultzei, Frankliniella tritici or Frankliniella occidentalis.
  • the compound is used to control the population of thrips for edible and/or ornamental crop and in particular chrysanthenums, roses, cucumbers or peppers.
  • a device for the control of insects of the order Thysanoptera including a compound of Formula (1) having the structure:
  • Rl is a methyl group
  • R2 is a hydrogen group:
  • R3 a ketone group or a hydrogen group:
  • R4 arid R6 are hydrogen, methyl or ethyl groups and share a methyl group; and R5 is hydrogen.
  • the invention preferably provides a method of controlling, monitoring or regulating thrips populations comprising of at least one thrips behaviour-modifying compound of formula 1 in a holding device, where the compound of formula 1 attracts the thrips to the holding device.
  • the compound is preferably embedded in a release mechanism that allows for what is known as 'zero order' release of the compound with time. This mechanism is preferably attached to the holding device, which preferably includes a means of catching, immobilising or killing thrips. Suitable holding devices include water traps or sticky traps.
  • the compound may be used as an attractant, as a lure, for example to attract insects that may be contained in imported items to attract insects to an area containing entomopathogenic fungi or bacteria, chemical insecticides, or predatory mites or bugs that attack thrips that have been attracted using the compound. It is also envisaged that the compound may be used in a 'push- pull' or 'stimulo-deterrant' control mechanism whereby thrips are repelled off economically important crops and attracted to uneconomically important 'trap' crops.
  • Plants can that can be protected in such a fashion include but are not limited to; crucifers, greenhouse vegetables and fruits, flower crops or any other economically important plant.
  • the invention may be practiced for any species of thrips but it is particularly useful on species of thrips belonging to the sub-order Terebrantia, in particular Frankliniella occidentalis, the Western Flower Thrips.
  • Western Flower thrips can be particularly devastating for crops.
  • the potted Chrysanthenums were placed in pots containing multi-purpose growing soil (B & Q, UK) kept inside Perspex cages that measured 30cm x 30cm x 60cm (Length x Width x Height).
  • the Perspex was placed on capillary matting that lined a tray that was approximately 10cm longer than the cage on each side. The tray was dampened with 500ml of water every two days, the water being poured in the 10cm overhang to minimize contamination of the internal colony.
  • a mini fan was fitted to the back panel and was allowed to run for 15 minutes and stopped for 15 minutes continuously using an electric socket timer in order to reach a constant humidity level and prevent mould developing from excess moisture.
  • a fresh bouquet of Chrysanthenum flowers were placed in the rearing chamber every week, whereby three bouquets were present in the rearing chamber at any one time, the oldest bouquets being removed upon addition of the new bouquet. This allowed for good thrips output given the rearing conditions.
  • a Perspex four-arm olfactometer was used to determine behavioural responses of adult female Western Flower thrips to chemicals.
  • the olfactometer consisted of 3 perspex plates each being 107mm 2 and 5mm thick.
  • the base plate had no cut out regions, the top plate had a hole in the centre to suck out air by means of a membrane pump and the middle plate had a central cut out section of about 35mm 2 .
  • the central plate also had holes in the 4 corners to accommodate the glass sample tubes. The plates were placed together, the top and base plates sandwiching the central plate and the setup was held together by clips on two opposing edges.
  • the light intensity in the fume hood was measured at around 400 lux using a digital lux meter (Model: LXIOIOB, Sinometer Instruments, China).
  • the UV intensity was measured at O ⁇ W/cm 2 using a UVA meter (Tecpel 830, Tecpel Co. Ltd, Taiwan).
  • the olfactometer was fitted with 4 glass arms that contained glass wool in the tips to prevent insects escaping, and a filter paper base to allow for traction as well as good contrast to observe the insect.
  • the glass tube was connected to a rotameter which was connected to a 12V rotary vane pump and air was drawn through the central whole at a rate of 400ml/min " '.
  • the olfactometer was divided into four equal sections and the Thrips was given a minute to acclimatize after which the runs lasted 16 minutes, recording the time the insect spent in the treated section. If the thrips did not move for the first 2 minutes, it was deemed inactive and replaced with another specimen. The olfactometer was rotated every 4 minutes to further avoid bias of the insect. 12 replicates were carried out per treatment.
  • Each poly-tunnel contained 5 rows of strawberry beds, the lengths of the poly-tunnels varied.
  • the first trap setup in a poly- tunnel was at least 30 metres in to ensure even wind distribution from trap to trap, the wind being slightly stronger at the ends of the poly-tunnels and could have affected thrips flight.
  • Traps were hung from the poles of the poly-tunnels using plant twist ties to avoid rotation of the traps.
  • Sticky traps were arranged in a randomized block design at least 10 metres apart and the bottom of the sticky trap hung 50cm over the base of the beds. 5 replicate blocks were setup, a poly-tunnel being counted as a block, each one containing 3 replicates of each treatment.
  • Temperature was measured using a data logger (WS8610R, La Crosse Technology, France) and averaged around 27°C within the polytunnel over the 24 hours.
  • the traps were setup randomly along the right most and left most beds, leaving at least one poly-tunnel free between blocks. Treatments were left for 24 hours before counts were made.
  • Counts of WFTs on cards were made using a tally counter. Two types of thrips were present on the card, larger dark coloured thrips and smaller paler coloured thrips.
  • the groups R4 and R6 share a methyl group and there are two further methyl groups attached to said methyl group.
  • a particularly useful compound is verbenone and in particular (H?)-cw-4,6,6-Trimethylbicyclo-
  • the verbonone is contained in a formulation at a level of 0.01% to 5% and more particularly 0.1% to 1%.
  • the compound of formula 1 is used in a form that means that it stands out from the general scents that are in the environment and this is by using a trap that contains the attractant.
  • the attractant is used for reducing thrips damage on commercial crops by attracting them away from the crop.
  • the compound may be used to check imported items at quarantine for thrips infestation by attracting the insects to a lure that includes a compound of formula 1 as defined above and the lure can be inspected for the insects that may be present.
  • the compound can be used to treat an area with a control agent, either chemical or biological, including but not limited to; entomopathogenic fungi or bacteria, chemical insecticides, or predatory mites or bugs that attack thrips.
  • the attractant is used again to lure thrips to a particular location where the chemical or biological control agent is situated.
  • a thrips attractant comprising of a compound of formula 1 in a 'push-pull' or 'stimulo-deterrant' control mechanism whereby thrips are repelled off economically important crops and attracted to uneconomically important 'trap' crops.
  • Plants can that can be protected in such a fashion include but are not limited to; crucifers, greenhouse vegetables and fruits, flower crops or any other economically important plants that suffer from thrips infestations.

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  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Environmental Sciences (AREA)
  • Zoology (AREA)
  • Agronomy & Crop Science (AREA)
  • Plant Pathology (AREA)
  • Dentistry (AREA)
  • Pest Control & Pesticides (AREA)
  • Natural Medicines & Medicinal Plants (AREA)
  • Mycology (AREA)
  • Microbiology (AREA)
  • Biotechnology (AREA)
  • Insects & Arthropods (AREA)
  • Toxicology (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

L'invention concerne l'utilisation d'un composé de la formule (1) pour modifier le comportement des insectes de l'ordre des thysanoptères (thrips), le composé de la formule (1) ayant la structure suivante : Rl est un groupe méthyle : R2 est un groupe hydrogène : R3 est un groupe cétone ou hydrogène : R4 et R6 sont sélectionnés dans les groupes hydrogène, méthyle ou éthyle et partagent un méthyle et R5 est un groupe hydrogène.
PCT/GB2013/000545 2012-12-13 2013-12-12 Utilisation d'un composé pour lutter contre les insectes WO2014091185A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1222585.0 2012-12-13
GB201222585A GB2513534A (en) 2012-12-13 2012-12-13 Use of a compound to control insects

Publications (1)

Publication Number Publication Date
WO2014091185A1 true WO2014091185A1 (fr) 2014-06-19

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GB (1) GB2513534A (fr)
WO (1) WO2014091185A1 (fr)

Cited By (1)

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CN113661986A (zh) * 2021-09-03 2021-11-19 福建省农业科学院植物保护研究所 一种用于防控榕属植物上虫瘿蓟马的专性驱避剂

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113767904B (zh) * 2021-09-03 2023-03-28 福建省农业科学院植物保护研究所 一种用于防控榕属植物上虫瘿蓟马的专性引诱剂

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WO2003055309A1 (fr) 2001-12-21 2003-07-10 Keele University Procede de surveillance et de lutte contre thysanoptera
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WO1999062334A1 (fr) 1998-06-05 1999-12-09 Summus Group, Ltd. Methode de lutte contre une population de ravageurs
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Publication number Priority date Publication date Assignee Title
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GB2513534A (en) 2014-11-05

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