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(12) Patent Application Publication (10) Pub. No.: US 2015/0128864 A1 Bolckmans Et Al US 2015O128864A1 (19) United States (12) Patent Application Publication (10) Pub. No.: US 2015/0128864 A1 Bolckmans et al. (43) Pub. Date: May 14, 2015 (54) MITE COMPOSITION COMPRISINGA Related U.S. Application Data PREDATORY MITE AND MIMOBILIZED (60) Provisional application No. 61/583,152, filed on Jan. PREY CONTACTED WITH A FUNGUS 4, 2012. REDUCINGAGENT AND METHODS AND USES RELATED TO THE USE OF SAD Publication Classification COMPOSITION (51) Int. Cl. (71) Applicant: Koppert B.V., Berkel en Rodenrijs (NL) AOIN 63/00 (2006.01) AOIK 67/033 (2006.01) (72) Inventors: Karel Jozef Florent Bolckmans, (52) U.S. Cl. Hoogstraten (Wortel) (BE); Yvonne CPC .............. A0IN 63/00 (2013.01); Aoi. (i. Maria Van Houten, Naaldwijk (NL); ( .01) Adelmar Emmanuel Van Baal, Delft (57) ABSTRACT (NL); Radbout Timmer, Den Haag (NL); Damien Marc Morel, Nantes The present invention in general relates to the field of bio logical crop protection by use of predatory mites. More par (FR) ticularly the present invention relates to a mite composition comprising a predatorv mite and a prev. Such a mite compo (21) Appl. No.: 14/370,624 E. is E. for GM the Es mite and/or for Sp (22) PCT Filed: Oct. 23, 2012 protection using the predatory mite. The prey in the compo 9 sition comprises individuals of at least one Astigmatid mite (86). PCT No.: PCT/NL2012/050736 species, wherein at least a fraction of the Astigmatid individu als is immobilized. The composition is characterized in that S371 (c)(1), immobilized Astigmatid individuals are contacted with a fun (2) Date: Jul. 3, 2014 gus reducing agent. Patent Application Publication May 14, 2015 Sheet 1 of 8 US 201S/O128864 A1 (0,0,0) FIG. 1 Patent Application Publication May 14, 2015 Sheet 2 of 8 US 201S/O128864 A1 Patent Application Publication May 14, 2015 Sheet 3 of 8 US 201S/O128864 A1 Patent Application Publication May 14, 2015 Sheet 4 of 8 US 201S/O128864 A1 Moulding of medium $ so8. $ :::::::::::3.3S. a. prey mite? gram Pansei: variabies prey inite : FIG. 6 Patent Application Publication May 14, 2015 Sheet 5 of 8 US 201S/O128864 A1 Armbyssius Swirskii on tive Carpaglyphus actis Armbyseius Swirski on live + frozen 200 ------- Cargogy 3S Lactis 15) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------...--------- OOC ---------------------------------------------------------------------------- rites 50 ------------------------------------------------------------------------------------------------------------------------------------------------------------------------ O 7 4. 8. 3. 25 28 33 35 3S s Means: 883 (live), 1325 (live+frozen); p=0.011 FIG. 7a 1000 ------------------to Ambyseius Swirski or five 900 i. Tyreophagus Entomophagus ......................................................................................................................... Amblyseius Swirski: an live + 800 - frozen Tyreophagus 700 - Eto:ndags 600 i-T-T-, -, --|--|-- 500 Means: 375 (live), 505 (live+frozen); p= 0,002 FIG. 7b Patent Application Publication May 14, 2015 Sheet 6 of 8 US 201S/O128864 A1 80 ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ -Ambiyseius Swirskii on five Suicasia Pontifica FCO ---------- . Amalyseius. Swirskii. on Five. + frozen. Suidasia. Pointifica. ---------------------------------------------------------------------- 5 ------------------------------------------------------------------------------------------------------------------------------- S.s 500 ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------r kC. ACO ----------------------------------------------------------------------------------------- ----------------------------------------------------------------------------------------------------------- Means: 309 (live), 480 (live+frozen); p= 0,021 FIG. 7C 600 ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ -Amibly dromaus Limonic is on five : Carpoglyphus actis SO ----------- : Aidly dronaus inoritis on Sive s + frozen Capoglyph 3S actis 3s 400 -------------------------------------|-- rt s r e 3CO -------------------------------------------------------------------- - - - - - - - - .- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Means: 116 (live), 314 (live+frozen); p= 0,000 FIG. 7D Patent Application Publication May 14, 2015 Sheet 7 of 8 US 201S/O128864 A1 females per substrate chaff (19 resp. 14) - - - - - - - - - - - - - - - - - - - - - - - We (3 resp. 2) 2 bran Ainbiydromalus limonicus Amblyseius Swirski FIG. 8a eggs per substrate chaff (42 resp. 63) We (9 resp. 1) bran (2 resp. 11) FIG. 8b Patent Application Publication May 14, 2015 Sheet 8 of 8 US 201S/O128864 A1 Ambly dromatlus Linonicus mass-retiring 20 to 1S ------ US 2015/O128864 A1 May 14, 2015 MITE COMPOSITION COMPRISINGA 0007. The composition of EP 2 380 436 and its use in PREDATORY MITE AND MMOBILIZED rearing a Phytoseiid predator may potentially reduce or elimi PREY CONTACTED WITH A FUNGUS nate disturbing stress factors induced by live prey. However, REDUCINGAGENT AND METHODS AND while possibly solving certain problems, this composition USES RELATED TO THE USE OF SAD also has major disadvantages. The inventors of the present COMPOSITION invention have found that dead Astigmatid mites are also a 0001. The present invention in general relates to the field good fungal Substrate and promote fungal growth. This prob of biological crop protection by use of predatory mites. More lem is not recorded in the prior art. Extensive fungal growth particularly the present invention relates to a mite composi negatively influences the population development rate and tion comprising a predatory mite and a prey. Such a mite maximum population density of predatory mites. composition is Suitable for rearing the predatory mite and/or 0008. The present invention is based on the finding that for crop protection using the predatory mite. adequate fungal reduction is required when predatory mites 0002 The use of predatory mites for biological crop pro are reared on a population of rearing preys comprising a tection is becoming increasingly popular in agriculture and substantial number of dead or otherwise immobilized prey horticulture. Currently predatory mites from the families individuals. Phytoseiidae, Laelapidae, Macrochelidae, Parasitidae, 0009. The invention therefore according to a first aspect Tydeidae, Cheyletidae, Cunaxidae, Erythraeidae, Stig relates to a mite composition comprising: maeidae are employed or have been Suggested to combat 0.010 a population of individuals of a predatory mite pests such as phytophagous mites, thrips and whiteflies. A species: prerequisite for commercial use of predatory mites as biologi 0.011 a food source for the predatory individuals com cal pest control agents is their availability for an acceptable prising individuals of at least one Astigmatid mite spe price. For this the possibility to efficiently produce them in cies, wherein at least a fraction of the Astigmatid indi large quantities is of importance. viduals is immobilized; 0003. During the past years methods for mass rearing have 0012 optionally a food source suitable for Astigmatid considerably improved in view of the availability of rearing individuals; preys (or alternatively referred to as rearing hosts) for preda 0013 and optionally a carrier for the individuals of the tory mites. Many of these newly available rearing preys are mite species; Astigmatid mites. For example reference may be made to the international applications of Koppert B.V., WO2006/057552, 0.014 wherein immobilized Astigmatid individuals, WO2006/071107 and WO2007/075081. In addition and optionally the optional food source for Astigmatid WO2008/015393, WO2008/104807 and EP2232986 dis individuals, are contacted with a fungus reducing agent. close additional combinations of Phytoseiid predators and 0015 The composition comprises individuals of a popu Astigmatid prey mite species. Such Astigmatid prey mite lation of a predatory mite. As is known to the skilled person species have been found to be also suitable for mass-rearing Phytoseiid predatory mites have their natural habitation plants of predatory species from other taxa Such as predatory where they prey on pest organisms (insects and mites). They Mesostigmatid mite species, predatory Prostigmatid mite may be isolated from their natural habitats as described by de species. Moraes et al., 2004. Predatory mites that are particularly 0004. Despite these developments in the availability of useful in the present invention may be selected from preda rearing preys, certain limitations in the mass rearing of preda tory Mesostigmatid mite species, predatory Prostigmatid tory mites do remain and mass rearing would benefit from mite species, in particular: improvement of such limitations. 0016 Mesostigmatid mite species selected from: 0005 For example the living rearing preys may also be a (0017 i) Phytoseiidae such as from: source of stress for the predatory mites due to their motional 0018 the subfamily of the Amblyseiinae,
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