A NEW PREVENTATIVE BIOFUNGICIDE from. Strawberry plants have a higher relative nitrogen demand in the early spring … Switch (cyprodinil and fludioxonil) is a mixture of a systemic and protectant active ingredient (both are new chemistries). Strawberries are one of the highest value per-acre crops grown in North America with annual yields ranging from 4 to 20 tons/acre and gross values ranging from $2,800 to $14,000 per acre (Schaefers 1981). PHI=0 days. Now taking orders for 2021 Shipping Season!! What to look for. Annemiek Schilder, Michigan State University Extension, Department of Plant Pathology -
2) Leather rot (Phytopthora cactorum) is best controlled by growing strawberries in well-drained soil and by applying straw mulch between the rows to prevent the berries from touching the soil (where the fungus resides) and prevent soil from splashing up onto the berries. MSU is an affirmative-action, equal-opportunity employer, committed to achieving excellence through a diverse workforce and inclusive culture that encourages all people to reach their full potential. Strawberry sap beetle Tarnished plant bug Flower thrips Spider mites Slugs and snails Save pollinators Do not spray insecticides! There are more choices for disease control in strawberries than ever before. Pristine (pyraclostrobin and boscalid) contains a strobilurin and an analid active ingredient. Conventional foliar insecticides are available for control of flower thrips. Strawberries remained at the top of the list with at least 20 pesticides, while spinach jumped into the second spot with twice as much pesticide residue by weight than any other crop. FUNGICIDES, whenever possible, for broadspectrum control and resistance management. Maintain a rate per treated area, not a rate per planted acre. Here are a variety of suggestions based on our experience as well as information gathered from winter conferences and industry contacts. Switch + Captan & Oxidate Merivon + Captan & Oxidate, Elevate + Captan & Oxidate Scala + Captan & Oxidate, Fracture + Oxidate Inspire Super + Captan + Oxidate. Strawberry spider mite occurs in some of these areas, with mixed populations of both twospotted and strawberry spider mites seen particularly during the warmer parts of the production season. Inject toxins into the buds and shoots that cause ‘dwarfed’ shoots and sunken areas (cat facing) on fruit. Photo: Hannah Burrack Strawberries are grown on 1600 acres in North Carolina, and our crop is third in value nationally, behind only California and Florida. ), but these sweet berries aren't just loaded with antioxidants: A new report from the … Diatomaceous earth is another tool in your arsenal. The 4-H Name and Emblem have special protections from Congress, protected by code 18 USC 707. Avoid making sequential applications of the same class fungicides. The label rate is 11-14 oz/acre (approximate cost: $39-$50/acre). For more information, visit https://extension.msu.edu. The fungicide gets rainfast quickly. The Botrytis fungus can produce numerous spores on dead leaves and other plant matter and spreads easily by wind. New Growth Until Bloom Time Bonide® Fruit Tree Spray for aphids, weevils, spider mites, spittle bugs, Japanese beetles,and leaf spots. Allstar. If necessary to continue coverage beyond two sprays, alternate the application of the above chemicals with an application of Switch, Elevate,Thiram or Captan. Ladybugs are excellent thrip hunters. Bonide® Copper Fungicide Spray or Dust for downy mildew, leaf spot, leaf scorch and leaf blights. Switch + Captan & Oxidate Cabrio + Captan & Oxidate, Abound + Captan & Oxidate Merivon + Captan & Oxidate Elevate + Captan & Oxidate. It's a great resource for our customers, and it will lead you thrrough the entire planting process. Growers can also consider a phosphorous acid product. Manage The Nitrogen. Inviting beneficial insects that prey on thrips into your garden is one of the safest and most effective ways to rid your plants of thrip infestation. The best insecticides and sprays – which are specially formulated for fruit trees – provide ideal protection against these insects. Elevate (fenhexamid) is a fungicide with a new chemistry that has excellent activity against Botrytis gray mold. OXIDATE HAS PROVEN TO BE AN EFFECTIVE BROAD-SPECTRUM FUNGICIDE control and is labeled for organic growers. Copper (e.g., Kocide, Cuprofix, Bordeaux, etc.) The other period for control is pre-harvest, since Botrytis can spread rapidly from infected berries to ripe and overripe berries. The number of applications is restricted for fungicide resistance management. 3. Eliminate slugs and snails from your garden with iron phosphate granules. Jeffrey W. Dwyer, Director, MSU Extension, East Lansing, MI 48824. GardenTech® Sevin® Concentrate Bug Killer. For leather rot control during extended wet periods, when frost protection is necessary and especially if leather rot occurred last year, add Ridomil Gold as one of the fungicides in your bloom spray program beginning at first bloom. Eric Hanson . This product is best applied after a rain or early in the morning when dew is on lawn so granules stick better to the weed surface. However, make sure that you do not spray or dust the plant directly with these insecticides, especially when the strawberry is flowering or it is bearing fruits. Allstar is a June-bearing strawberry that looks like the prototypical strawberry. The ripest strawberries came from small suburban organic food market, with on average 80% completely ripe. No weed control is provided in the crop row. Managing weeds in strawberries is a challenge, partly because strawberries are herbaceous perennials and a number of similar weeds tend to become established in fields as they get older. There are several factors to consider when buying strawberries: Strawberries taste best when they're fully ripe Bloom applications are the critical time to effectively control botrytis, and should begin at 5 - 10% bloom. Information on fungicide class distinctions can be found at http://frac.info and look for 2017 FRAC code list. ORIGINALLY PUBLISHED WEDNESDAY, MARCH 20, 2019. In cool seasons, it tends to appear closer harvest or may not show up at all. Bonide® Captan Fruit & Ornamental for leaf spot and gray mold. May also be applied as a banded spray between rows of plastic mulch. Mites and Aphids. The label rate is 6.2-15.4 fl oz/acre (approximate cost: $12-$30/acre; $24 at the 12-oz rate). It does not have much activity against Botrytis gray mold. bioworks.com. In addition, consult your local cooperative extension office for specific state recommendations. Can be used to alternate with fungicides in other chemical classes. Also, Anthracnose and Angular Leaf Spot can be problems during warm, wet conditions. Spray during bloom and fruit development. Have a friend who admires your berry garden? The fungicide gets rainfast quickly. To create a nontoxic, yet effective, fungicide spray, dissolve 1 teaspoon of baking soda in 1 gallon of water and add 1 teaspoon of horticultural oil. RESISTANCE MANAGEMENT IS CRITICAL FOR MAINTAINING CHEMICAL EFFECTIVENESS. Wild Strawberry Herbicide. Malathion is effective against the young lygus immediately after hatching. Spittlebugs. Michigan State University Extension programs and materials are open to all without regard to race, color, national origin, gender, gender identity, religion, age, height, weight, disability, political beliefs, sexual orientation, marital status, family status or veteran status. Straw mulch can assist in minimizing water splashing that can spread leather rot. Some leaf diseases can spread to the berries (e.g., Phomopsis can also cause a fruit rot), or berry caps (angular leaf spot and scorch). While fenhexamid has some systemic activity, it should be used as a preventative fungicide. Anthracnose fruit rot can be identified by black sunken lesions with wet, orange (and sometimes gray) spore masses in them. Choose tips based on coverage needed, which can change based on growing canopy. OXIDATE HAS PROVEN TO BE AN EFFECTIVE BROAD-SPECTRUM FUNGICIDE control and is labeled for organic growers. All Rights Reserved. Bioworks, BotryStop has potential to fit into both organic and conventional spray programs. If these have been a problem in the past, start fungicide sprays before bloom. Refer to the North Carolina Agricultural Chemicals Manual for materials recommended for use in North Carolina and the Southern Region Small Fruit Consortium Strawberry IPM Guide for regional recommendations. Nature Good Guys’ Live Ladybugs. USE CAPTAN OR THIRAM WITH VARIOUS. They can usually knock out weeds without harming grass, making it a good option for lawns. This can be a rather bewildering experience, as growers have to consider the disease control spectrum, efficacy ratings and cost per acre for each product. Best Insecticides for Thrip. Lastly, using a floating row cover to keep pests from nibbling on your berries is probably one of the best ideas. Tarnished Plant Bug. The arrival of spring means the arrival of strawberries (yum! The number of applications is restricted for fungicide resistance management. Tetrahydrophthalimide / Captan Fungicide For example, the site lists Tetrahydrophthalimide (Captan) as being the pesticides (it’s really a fungicide) that was found the most on strawberries, in 55.3% of conventional strawberries. It is surface-systemic and has limited back action. Strawberry field research plots. 5) Most other fruit rots, including anthracnose, tend infect the berries somewhat later in the season, i.e., during the green fruit or ripening stage. MSU is an affirmative-action, equal-opportunity employer. Cabrio (pyraclostrobin) is a strobilurin-type fungicide with excellent broad-spectrum activity against leaf spots, powdery mildew and fruit rots . If there still is a problem, use Ridomil Gold or Aliette for control. PLEASE NOTE: Mixing Captan with any oil-based material will cause leaf phytotoxicity. Do not contact the strawberry plants including daughter plants. Editor’s note (2011): This article is from the archives of the MSU Crop Advisory Team Alerts. It is being republished at this time for your convenience. The label rate is 1.5 lb/acre (approximate cost: $41/acre). is the only chemical that works against this disease. The approximate prices per acre: Topsin M $16/acre; Captan $13/acre; Thiram $8/acre; Sulfur $1-2/acre; and copper formulations: $3 to $4/acre. Organic or ORMI listed fungicides: Copper products, Oxidate, BotryStop, Aremicarb, Serenade/Sonata. Apply a banded spray between rows of strawberries. Malathion was the most important treatment for lygus control and was applied at a rate of 2 LBS AI/A to about 55% of strawberry acres. Check out the MSU Fruit and Vegetable Crop Management Certificate Program! The U.S. Department of Agriculture found that nearly 30 percent of strawberries tested contained the residue of more than 10 pesticides, and the dirtiest were linked to 21 pesticides. Because of the importance, a spray schedule of 7 to 10 days is recommended. The label rate is 18-23.5 oz/acre (approximate cost: $32-$42/acre). For additional information see the Bioworks website at www. Usually 4 or 5 applications can accomplish the job for the season. Discounts applied during checkout process.. Click here for more information on Kwelli Kwanza, and Imara Raspberry Varieties. The fungicide gets rainfast quickly. Pesticides + Poison Gases = Cheap, Year-Round Strawberries. Snails and Slugs. However, it does not provide much control of Botrytis gray mold. Anthracnose fruit rot is favored by warm, humid conditions and can spread rapidly during rains or frequent irrigation. AFTER BLOOM APPLICATIONS – GREEN FRUIT THROUGH HARVEST, Strawberry Winter Injury – Assessment & Mgmt.
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