Resource Guide for Organic Insect and Disease ... - Cornell University

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APPENDIX E Organic Research Needs: Some Important Vegetable Pests and Possible Organic Controls that Lack Efficacy Data ORGANIC RESEARCH NEEDS: Some Important Vegetable Pests and Possible Organic Controls that Lack Efficacy Data Occurrence Cultural 1=sporadic, controls Crop Pest 3=yearly effective? Possible rescue control Brassica Flea beetle 3 Y Spinosad Cabbage aphid 2 ? Soap, oil, neem, Beauveria Cabbage maggot 2 Y Neem, spinosad baits Onion thrips 2 ? Kaolin, pyrethrum, spinosad Alternaria 2 Y Microbial products* Black leg 1 Y Microbial products* Clubroot 1 Y Microbial products* Swede midge 1 Y Kaolin Downy mildew 1 Y Head rot 2 ? Cucurbit Striped cucumber beetle/ Bacterial wilt 3 Y Microbial products*,Pyrethrum/neem mixtures kaolin, Beauveria Squash bug 2 N Beauveria, kaolin, pyrethrum, spinosad, plant oils, pyrethrum/neem mix Black rot 2 N Microbial products* Phytophthora 1 N Microbial products* Powdery mildew 3 N Several good controls, comparative trials needed Downy mildew 3 N Copper, microbial products* Lettuce Tarnished plant bug 2 ? Beauveria, kaolin, neem, pyrethrum, spinosad Aster leafhopper/ Aster yellows 2 Y Neem, kaolin, repellents, pyrethrum Sclerotinia 1 Y Contans Powdery mildew 2 Y Bicarbonate, B. subtilis, microbial products, oils, soap Downy mildew 2 Y Bicarbonate, B. subtilis, microbial products, oils, soap Onion Onion thrips 3 Y Beauveria, kaolin, pyrethrum, spinosad , neem Botrytis 2 Y Oils, microbial products* Purple blotch 1 Y Oils, microbial products* Onion and seedcorn maggot 1 Y Spinosad seed treatment, spinosad baits Leek moth 1 Y Spinosad Pepper Downy mildew 1 Y Oils, microbial products* Aphids/CMV 1 Y Neem, repellents Tarnished plant bug 1 ? Beauveria, kaolin, neem, pyrethrum, spinosad European corn borer 2 ? Control available, improve timing/application Organic Resource Guide 197
Occurrence Cultural 1=sporadic, controls Crop Pest 3=yearly effective? Possible rescue control Potato Potato leafhopper 2 N Neem, kaolin, repellents, pyrethrum, soaps, oils Colorado potato beetle 2 Y Alternate controls needed to avoid resistance to spinosad Rhizoctonia 2 Y Microbial products* Scab 3 Y Microbial products* Late blight 1 N Microbial products*, hydrogen peroxide Spinach Seedcorn maggot 1 Y Spinosad seed treatment, spinosad baits Sweet corn Seed corn maggot 1 Y Microbial products* Damping off 2 Y Microbial products* European corn borer 3 N Bt Tomato Early blight 3 Y Oils, copper, microbial products Late blight 1 N Microbial products*, hydrogen peroxide Anthracnose 2 ? Microbial products* Stink bug 1 ? Neem, pyrethrum * Microbial products include plant growth-promoting rhizobacteria, Gliocladium catenulatum, Trichoderma harzianum, Ampelmyces quisqualis, Myrothecia, Pseudomonas flourescens, Streptomyces griseoviridis, and others. 198 Organic Resource Guide
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RESOURCE GUIDE FOR ORGANIC INSECT A
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ii Organic Resource Guide
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iv Organic Resource Guide
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vi Organic Resource Guide
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2 Organic Resource Guide bibliograp
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ORGANIC INSECT AND DISEASE CONTROL
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6 Organic Resource Guide tion becau
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8 Organic Resource Guide to female
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4. There is some varietal tolerance
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Cultural Control: 1. Use clean garl
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14 Organic Resource Guide Cultural
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16 Organic Resource Guide REFERENCE
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2. Rotenone is recommended in the o
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CRUCIFER (Phyllotreta cruciferae) a
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II. DISEASE CONTROL________________
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Cultural Control: 1. Maintain soil
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Cultural Control: 1. Destroying cro
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2. Legume cover crops are good host
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Cultural Control: Maintain recommen
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34 Organic Resource Guide Materials
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PIPE and beginning applications bef
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By the time injury to the plant is
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Materials Approved for Organic Prod
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lowing spores. If in contact with d
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esistant varieties, there are still
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52 Organic Resource Guide 2. Sluggo
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54 Organic Resource Guide 4. Manage
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EUROPEAN CORN BORER (Ostrinia nubil
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corn borer eggs. Usually, all of th
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Organic Insect and Disease Control
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2. Crop rotation is recommended. 3.
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soil either as pupae or larvae. In
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CAVITY SPOT (Pythium sp.) Cavity sp
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Photo 1.9 Botrytis porri on garlic.
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CHAPTER 2 - Brassica Photo 2.1 Cabb
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Photo 2.14 Alternaria leaf spot sym
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CHAPTER 4 - Cucurbits Photo 4.1 Squ
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Photo 4.13 Young powdery mildew les
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Photo 5.12 Anthracnose on bean (cou
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CHAPTER 7 - Solanaceous Photo 7.5 C
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Photo 7.17 Black scurf of potato (r
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CHAPTER 8 - Sweetcorn Photo 8.1 Cor
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Photo 8.14 BMSB Adult (photo courte
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Photo 9.9 Cercospora leaf blight on
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MATERIAL FACT SHEET Bacillus subtil
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106 Organic Resource Guide from tol
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Because university trials are often
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The spray deposit may only last for
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In Figure 1, “good control” mea
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FORMULATION AND APPLICATION GUIDELI
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A summary of university field trial
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AVAILABILITY AND SOURCES: Available
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MATERIAL FACT SHEET Coniothyrium mi
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14 Contans Efficacy Good Fair
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Cueva Fungicide Concentrate (W Neud
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Chronic Toxicity: Vineyard sprayers
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MATERIAL FACT SHEET Hydrogen Peroxi
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level of pest control is likely to
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MATERIAL FACT SHEET Kaolin clay 132
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eetle in field trials; however, it
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MATERIAL FACT SHEET Neem (azadirach
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OMRI LISTED (This is a partial list
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Other: There is one study showing f
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products. Best results were obtaine
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144 Organic Resource Guide use is t
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Page 165 and 166: Pest Reduction Relative to Untreate
Page 167 and 168: MATERIAL FACT SHEET Rotenone MATERI
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Page 173 and 174: Striped and Spotted Cucumber Beetle
Page 175 and 176: MATERIAL FACT SHEET Streptomyces ly
Page 177 and 178: Streptomyces lydicus Efficacy: Vege
Page 179 and 180: MATERIAL FACT SHEET Sulfur MATERIAL
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Page 183 and 184: Bernard et al (2010) found minor de
Page 185 and 186: Efficacy of Elemental Sulfur Ag
Page 187 and 188: MATERIAL FACT SHEET Trichoderma and
Page 189 and 190: AVAILABILITY AND SOURCES Products v
Page 191 and 192: Trichoderma atroviridae Efficacy
Page 193 and 194: APPENDIX A Plant Resistance to Inse
Page 195 and 196: APPENDIX B Habitats for Beneficial
Page 197 and 198: APPENDIX C Trap Cropping and Insect
Page 199 and 200: 192 Organic Resource Guide Michanec
Page 201 and 202: Inert ingredients are not necessari
Page 203: 196 Organic Resource Guide RESOURCE
Page 207 and 208: Plant Management Network. A non-pro
Page 209: Nu Cop® 50 WP Ortho® elementals G
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