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River Bioscience: Innovative Biological Products for Pest Management

Learn about River Bioscience's unique biological control solutions for citrus growers. Explore benefits, application rates, and effective products like CryptoGran and M3 Bait. Discover environmentally friendly options for fruit fly and bollworm control.

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River Bioscience: Innovative Biological Products for Pest Management

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  1. RIVER BIOSCIENCE Presented by Keith Danckwerts

  2. RIVER BIOSCIENCE YOUR OWN BIOLOGICAL CONTROL COMPANY • Formed out of CRI as a conduit for commercialisation of CRI • (Grower funded) innovations • Owned by the Southern African Citrus Growers Association • 50% Shareholder in XSIT • Focus - innovative biological products for pest and disease • management

  3. RB’s financial contribution to citrus • 2013 • additional R5 million investment in Xsit

  4. Cryptogran with and without molasses

  5. COMPARISON OF ALL FCM PRODUCTS:1 spray on Lane Late navels (4 May 2011)– evaluated for 6 weeks

  6. CRYPTOGRAN (Cryptophlebialeucotreta GV)– YOUR FCM VIRUS ADVANTAGES OF USING CRYPTOGRAN • Effective FCM control • IPM compatible • Completely compatible with a chemical control programme • Compatible with CBS sprays • Certified for organic farming • No MRL • Resistance against Cryptogran is highly improbable • Unique ability to replicate and ability to persist in the • environment • Environmentally responsible

  7. M3 BAIT STATION (YOUR FRUIT FLY BAITING SOLUTION) APPLICATION RATES • M3’s hung out 8 weeks before harvest • M3 should be hung 1.5m or higher depending on tree size • M3’s should be hung correctly – horizontally in shade side of tree and • should be completely free hanging • State of M3’s should be regularly checked – ensure correct positioning • after fruit growth

  8. FRUIT FLY DAMAGE TO NAVEL ORANGESUitenhage, E.Cape, Sep-Nov 2007 Sep Oct Nov M3s put out on 4 Sep

  9. BENEFITS OF USING THE M3 • Simple to use. • Single application. • Effective against a number of fruit fly species. • Registered/used on all fruit types. • No rain influence and season-long control. • Does not result in mechanical damage to trees & fruit. • IPM compatible. • Can provide fruit fly free zones. • Very effective when applied as a year round perimeter • control to prevent influx from outside orchards

  10. HELICOVIR – YOUR VIRUS SOLUTION FOR BOLLWORM Helicoverpaarmigeranucleopolyhedrovirus • >90% efficacy in field • trials • Self replicating virus • Damage & yield • evaluation as • effective as chemical • control

  11. INVADER-b-LOK & INVADER- LURE Photograph courtesy of Peter Stephens, CRI

  12. INVADER-LURE INVADER-b-LOK LYNFIELD TRAP

  13. Benin: Trapped B. invadens slides courtesy of Dr. TG Grout, CRI

  14. DAMAGED CAUSED BY B.INVADENSLARVAE Photograph courtesy of Peter Stephens, CRI

  15. EFFECTIVENESS OF INVADER-b-LOK BI affected within 15 secs from walking on Invader-b-lock in a citrus orchard 70 km North of Nairobi. Photograph courtesy of Tim Grout, CRI

  16. APPLICATION RATE FOR INVADER PRODUCTS • Should be hung 1.5m from the ground • Bait stations should be hung on branch within canopy of tree on shady • side • Bait stations and lures need to be replaced every 6 weeks • Protective gloves should be worn

  17. TREE WRAP • Lasts two seasons • Biodegradable • Cost effective, cheaper than tetrapak and 4 paint applications • Environmentally friendly • Protects: • Young trees against • weed killers • Sprouting of suckers • Sunburn • Sandblast in windy • regions

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