PQ硅酸钾农业的应用-技术资料.ppt

1、Potassium SilicateDual Action Biopesticide1Technical Training Workshop with Certis USATuesday,July 28,2009,Oxnard,CAAGENDAPQ Corporation ProfileSil-MATRIXProduct CharacteristicsMode of ActionRate RangeTarget Pests&CropsResults2Dual Action BiopesticideFor control of Powdery Mildew and other fungal di

2、seasesFor suppression of mites,whiteflies and other insectsSoft Biopesticide because it works with the plants natural defense systems3Product FeaturesSoft,dual activity pesticidePreventative fungicideContact&ISR miticide/insecticideMost effective in IPM SystemEPA-registered pesticideOrganic registra

3、tion pending for Plant Disease ControlInsecticide4Potassium Silicate Manufacture Quartz sand-SiO2Potassium carbonate K2CO3 Melt at 1200CResulting glass can be dissolved in water to make the liquid productsLiquids can be spray-dried to form hydrous powders56PQ Silicate Furnace:High quality sand ismel

4、ted with potassiumcarbonate to producepotassium silicateglass.Glass ManufactureSil-MATRIX What is it?Potassium Silicate Solution8%K2O,21%SiO2,balance waterai potassium silicate,29%in waterDensity 10.5#/gal;1.26 g/mL40 cp viscositypH 11.3Completely solubleUsed at 0.5-1.0%dilution1,000-2,100 ppm SiO27

5、89Mode of ActionPlants take up Si(OH)4Amorphous silica deposits in the leaf apoplastPrevents penetration of fungiBecomes less palatable to insectsTriggers faster,more extensive deployment of plant natural defenses10L.E.Datnoff et al,Silicon and Plant Disease,pp 233-246,in Mineral Nutrition and Plant

6、Disease,L.E.Datnoff,et al.,Eds,Am.Phytopath.Soc.,St.Paul,MN,2007.11Datnoff,2007Si as a Plant NutrientSi as a Plant NutrientResists biotic stresses(bacterial,fungal disease,insect attack)Resists abiotic stresses(drought,temp,salt,metal(Mn,Fe,Al)toxicity May improve N,P uptake,balance K,Mg uptake May

7、increase soil cation exchange capacity Improves overall vigor12L.E.Datnoff,et al,Silicon in Agriculture,Studies in Plant Science,8,Elsevier,Amsterdam,2001.131416Datnoff,2007Mode of ActionSi amplifies pathogenisis-induced host defense responsesAnti-fungal compounds form,e.g.phenolics,flavonoids,phyto

8、alexinsPlant defense chemicals affect preference for oviposition,expand developmental period,increase nymphal mortalityAlso desiccating effect on mites and soft-bodied insects17L.E.Datnoff,et al,Silicon in Agriculture,Studies in Plant Science,8,Elsevier,Amsterdam,2001.Silicon:Agricultural BenefitsRe

9、duces mineral stress:Resists toxicity to Mn,Fe,P,AlIncreases tolerance to saltIncreases availability of ZnReduces disease pressure,stimulates plants defense reactionsCan reduce pesticide&fungicide useLeads to stimulation of growth&yield18Long English cucumber-PythiumControlSi+ControlSi+Wheat-Powdery

10、 mildewControlSi+RiceBlast(Magnaporthe grisea)Sil-MATRIX rates0.5-1.0%spray(2-4qts per 100 gallons)No sooner than every 7 daysUse non-ionic surfactant20-250 gallons per acreFor fruit,nut,vineMax 10qts/acre(7.5#ai/a)per applnMax 20 gal/acre(60#ai/a)per season0 PHI,no post-harvest application22Product

11、 FeaturesEPA Tolerance ExemptionCAUTION labelREI is 4 hoursPHI is 0 daysPPE:Long-sleeve shirtLong pantsShoes and Socks23Compatibility TestsGood compatibility with many standard fungicidesCan ppt with soluble metals,can use chelated metalsSequestered Silica can prevent metal cation reactionSequestere

12、d Silica can improve solubility at low pHOrder of addition of ingredients is important24Crops&Pests Established Crops&Pests Established UsesUsesGrape:Grape:PM&Mite(TSSM,ERM)Strawberry:Strawberry:Mite(TSSM)PM,botrytisApple:Apple:Mite(ERM,Rust)Almond:Almond:Mite(TSSM)Lettuce:Lettuce:AphidBlueberry:Blu

13、eberry:BotrytisCherry:Cherry:PMCucurbits:Cucurbits:PMOrnamentals:Ornamentals:whiteflyleafminer25Trial Results Grape Powdery Mildew 2004Trial Results Grape Powdery Mildew 2004UTCSil-MATRIX+2.Sil-MATRIX+alt w/Abound/Rally 3.Sil-MATRIX alt w/Abound/Rally 4.Sil-MATRIX+(3 qt)alt w/Abound/Rally5.Sil-MATRI

14、X+pre-bloom only,Abound/Rally 6.Sulfur pre-bloom only,Abound/Rally“+”w/No Foam AApplied at 2 qt/100 gal(1300ppm SiO2)per acre unless otherwise noted.26Trial Results Grape Powdery Mildew 2004Trial Results Grape Powdery Mildew 2004TreatmentUkiah,CADinuba,CAWalnut Grove,CA%Inc.%Sev.%Inc.%Sev.%Inc.%Sev.

15、1.Sil-MATRIX+40.5 b4.75 b75.5 b9.5 b11.3 b1.7 b2.Sil-MATRIX+alt w/Abound/Rally0.0 c0.0 b13.0 c0.43 c0.0 c0.0 b3.Sil-MATRIX alt.w/Abound/Rally1.0 c0.01 b12.5 c0.32 c0.0 c0.0 b4.Sil-MATRIX+(3 qt rate)alt.Abound/Rally2.0 c0.02 b15.0 c0.52 c0.0 c0.0 b5.Sil-MATRIX+pre-bloom only then Abound alt w/Rally0.

16、5 c0.005 b16.0 c0.45 c0.0 c0.0 b6.Sulfur pre-bloom then Abound alt w/Rally0.0 c0.0 b10.5 c0.10 c0.0 c0.0 b7.UTC82.5 a22.05 a100.0 a49.0 a73.8 a27.8 aApplied at 2 qt/100 gal(1300ppm SiO2)per acre unless otherwise noted27Trial Results Grape Powdery Mildew 2005Trial Results Grape Powdery Mildew 2005Tre

17、atment“+”w/No Foam ATraver,CACorvalis,OR%Inc.Cluster%Sev.Cluster%Inc.Leaf%Sev.Leaf%Inc.Cluster%Sev.Cluster1.UTC53 a17.05 a100 a63.6 a100 a85.1 a2.Sil-MATRIX30 b5.6 ab100 a43.5 b100 a79.7 a3.Sil-MATRIX+1 b1.65 b98 ab30.3 bc100 a71.6 a4.Pot Bicarbonate+24 b5.85 ab95 ab26.0 bcd100 a74.2 a5.Sil-MATRIX+m

18、ixed w/Pot Bicarb 12 b1.95 b83 bc11.6 cde88 ab28.2 b6.Wettable Sulfur9 b1 b75 c3.9 e75 b7.9 b7.Sil-MATRIX+mixed w/Sulfur3 b0.2 b85 abc9.8 cde100 a25.8 bApplied at 3 qt/100 gal(2000ppm SiO2)28Cherry Powdery Mildew-Buena,WA 2005Cherry Powdery Mildew-Buena,WA 2005No detrimental effects on color,fruit w

19、t,sugar content,number of split fruitPercent Incidence(%of infected leaves/sample)of Powdery Mildew on Cherry LeavesTreatment41DAT648DAT6Mean(%Control)70DAT6%Control1.Sil-MATRIX+(2 qt/100 gal)2.73 a3.13 a2.93(67.9)8.45 ab34.42.Sil-MATRIX+(4 qt/100 gal)3.61 a3.81 a3.71(59.4)9.39 ab27.13.Sulfur 10 lb/

20、A4.35 a7.51 a5.93(35.1)12.90 a04.Sil-MATRIX+(4 qt/100 gal)Alt w/Kaligreen+(5 lb/A)3.35 a6.69 a5.02(45.1)10.20 ab20.85.Rally Alt.w/Sil-MATRIX+(4qt/100 gal)2.23 a1.98 a2.11(76.9)4.84 b62.76.UTC7.97 a10.30 a9.1412.88 a-29Mite Suppression:El Dorado,CA Mite Suppression:El Dorado,CA Two-Spotted Mites on G

21、rape 2004Two-Spotted Mites on Grape 2004Treatment2DAA7DAA3DAA26DAA23DAA37DAA3UTC2.53 a24.1 a20.4 a15.9 a17.3 a1.43 aWettable Sulfur2.00 a5.83 b3.80 b2.03 b3.33 b0.17 aSil-MATRIX+2 qt/100 gal2.50 a7.41 b3.67 b2.87 b4.07 b1.40 aSil-MATRIX+3 qt/100 gal5.67 a8.03 b3.40 b1.53 b6.00 b1.33 a30Mite Suppress

22、ion:Mite Suppression:Sweet Home,ORSweet Home,OR European Red Mites on AppleEuropean Red Mites on Apple 20052005 Applied at 2 qt/100 gal(1300ppm SiO2)at 100gpa except as noted TreatmentEuropean Red Mite MotilesPredator Mites8DAA14DAA22DAA8DAA14DAA22DAAUTC152.0 a54.5 a60.5 a1.8 a0.8 a0.5 aSil-MATRIX+1

23、31.5 ab45.3 ab25.5 b1.8 a0.0 a0.8 aSil-MATRIX+,4 qt/100 gal105.3 bc61.0 a30.0 b2.0 a0.3 a2.0 aSil-MATRIX+,2 applications102.8 bc6DAA253.0 a14DAA231.0 b0.0 a6DAA20.0 a14DAA21.0 aJMS Stylet Oil82.0 c44.5 ab52.3 a0.0 a0.0 a1.0 aApollo&Hort.Oil87.3 bc23.0 b10.0 c0.0 a0.3 a0.3 a31Mite Suppression:Mite Su

24、ppression:Granger,WAGranger,WA European Red Mites on AppleEuropean Red Mites on Apple 20052005 TreatmentEuropean Red Mite Motiles-2DAA6DAA13DAA19DAAUTC10873181206Sil-MATRIX+15267186174Sil-MATRIX+,4 qt/100 gal16570204150Sil-MATRIX+,2 applications132917DAA29013DAA2214JMS Stylet Oil13755273214AgriMek&H

25、ort.Oil127388466Applied at 2 qt/100 gal(1300ppm SiO2)at 200g pa except as noted32Mite Suppression:Mite Suppression:Woodland,CAWoodland,CA Two-Spotted Mites on Strawberry Two-Spotted Mites on Strawberry 20042004TreatmentTwo-Spot MitesPredatory Mites1DAA4DAA7DAA1DAA4DAA7DAAUTC11.2 a7.92 a28.76 a0.7 a1

26、.04 a0.72 aSil-MATRIX 3qt/100 at 60gpa7 a0.44 b5.48 b1.1 a0.04 b0.32 aAgri-Mek6.9 a2.6 b15.08 ab0.3 a0.04 b0.56 a33Trial Results Trial Results 2007 Grape:Two-Spotted Mite2007 Grape:Two-Spotted Mite%Control%Control7/37/3%Control%Control7/67/6%Control%Control7/97/9UTCUTC0 c0 c0 d0 d0 d0 dSil-MATRIXSil

27、-MATRIX50 b50 b49 c49 c59 bc59 bcPyrethrinPyrethrin0 b0 b47 c47 c22 cd22 cd34Aphid Suppression on Lettuce 2006Aphid Suppression on Lettuce 2006Treatment0DAA3DAA7DAA7DAA214DAA2UTC12.50 a 17.00 a 23.33 a 14.33 a 10.07 a Pot.Sil.,soil drench,1300 ppm SiO218.00 a 13.00 b 12.33 b 8.08 b 8.04 a Pot.Sil.,s

28、oil drench,2600ppm SiO211.23 a 6.27 c 6.78 bc 7.44 bc 8.30 a Pot.Sil.w/surf,foliar spray,1300 ppm SiO219.25 a 1.00 d 1.67 c 3.42 c 2.82 a Pot.Sil.w/surf,foliar spray,2600ppm SiO213.00 a 0.50 d 1.50 c 3.17 c 3.28 a Pyrethrin19.50 a 0.42 d 1.75 c 3.42 c 2.96 a 35TRACS,CA 2005Control of Botrytis on Blu

29、eberryAGSIL vs.KALIGREEN&ELEVATEApps.1/16(A),1/25(B),2/7(C),2/14(D),2/28(E)and 3/11/05(F);Trmts.1-4 received A,B,C,D,E&F;Trmt.5 received ACE AgSil+NFA&BDF Elevate.Avg.No.Diseased Blossoms/6 Plants(4qt/100)(4 qt/100)(4floz/100)(3lbs/A)(0.75 lbai/A)36Sil-MATRIX Product FeaturesCompletely soluble potassium silicateRegistered Soft pesticidePreventative fungicideContact miticide/insecticideOrganic status pendingEconomicalEasier on Beneficials37