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RIVER BIOSCIENCE. Presented by Keith Danckwerts. 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
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RIVER BIOSCIENCE Presented by Keith Danckwerts
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
RB’s financial contribution to citrus • 2013 • additional R5 million investment in Xsit
COMPARISON OF ALL FCM PRODUCTS:1 spray on Lane Late navels (4 May 2011)– evaluated for 6 weeks
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
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
FRUIT FLY DAMAGE TO NAVEL ORANGESUitenhage, E.Cape, Sep-Nov 2007 Sep Oct Nov M3s put out on 4 Sep
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
HELICOVIR – YOUR VIRUS SOLUTION FOR BOLLWORM Helicoverpaarmigeranucleopolyhedrovirus • >90% efficacy in field • trials • Self replicating virus • Damage & yield • evaluation as • effective as chemical • control
INVADER-b-LOK & INVADER- LURE Photograph courtesy of Peter Stephens, CRI
INVADER-LURE INVADER-b-LOK LYNFIELD TRAP
Benin: Trapped B. invadens slides courtesy of Dr. TG Grout, CRI
DAMAGED CAUSED BY B.INVADENSLARVAE Photograph courtesy of Peter Stephens, CRI
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
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
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