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2022 Midwest Vegetable Guide

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Fruiting Vegetables – Horticulture 145 processing summer squash in Missouri: used as directed for pumpkin, but up to 1 oz. per acre can be used after direct- seeding and before emergence. If weeds are present, add 0.5 pt. NIS per 25 gal. of solution (0.25% v/v). Not recommended for use under cool temperatures due to potential for crop injury. May delay crop maturity. Do not exceed 2 applications or 2 oz. per acre per 12-month period. REI: 12-hour. PHI: 30-day for cucumbers, pumpkins, and squash; 57-day for cantaloupes/muskmelons, and watermelons. HRAC 02. Sinbar WDG (80) (terbacil) PRE Watermelon | 2- 4 oz. per acre. Apply pre-transplanting to bare ground or under plastic mulch, or to row middles. For direct-seeded crops on bare ground, apply after planting but before crop emergence. Do not allow spray to contact crop. Do not plant other crops within 2 years of application. Do not use on sand or gravel soils. Not recommended on soils with less than 1% organic matter due to crop injury potential. REI: 12-hour. PHI: 70-day. HRAC 05. Strategy (ethalfluralin, clomazone) PRE Cantaloupe/Muskmelon, Cucumber, Pumpkin, Squash, Watermelon | 2-6 pts. per acre. Direct-seeded: apply to soil surface within 2 days after seeding. Do not incorporate. Transplanted: apply as a banded spray between rows. Does not control large-seeded broadleaves. Needs 0.5 inch of water within 5 days of application to be effective. If no rain occurs, cultivate shallowly. Do not apply over or under hot caps, row covers, or plastic mulch. Do not broadcast over top of plants. Under cool temperatures may cause crop injury or failure. REI: 24-hour. PHI: 45-day. HRAC 03, HRAC 13. trifluralin products (trifluralin) PRE Cantaloupe/Muskmelon, Cucumber, Pumpkin, Squash, Watermelon | 0.5-1 lb. a.i. per acre. Use 10G formulations at 5-10 lbs. per acre and do not exceed 20 lbs. per acre per season on fine soils. Use 4EC formulations at 1-2 pts. per acre and do not exceed 4 pts. per acre per season on fine soils. Apply as a directed spray between rows after plants have 3-4 leaves and incorporate 1-2 inches. Use higher rates on heavier soils. 4-6 weeks of residual activity. Not effective on muck or high organic matter soils. REI: 12-hour. PHI: 30- day for cantaloupe, cucumber, pumpkin, and squash, 60-day for watermelon. HRAC 03. Fruiting Vegetables – Horticulture Major update by Ben Phillips, Liz Maynard – Oct 2020 Reviewed by Liz Maynard – Aug 2021 Crop Description Eggplants (Solanum melongena): In the Midwest the primary eggplant varieties grown are tear-drop shaped and deep purple. There are many other types of eggplant and these should be considered when there is demand for them in your markets. Traditionally many types have been associated with specific cultures or cuisines. There are longer and thinner types that look more like summer squashes, and smaller and rounder types that are shaped more like beefsteak and cherry tomatoes. They come in a variety of colors from white, green, pink, purple, brown, and striped. There are also ornamental eggplants that make bright orange and red fruits shaped like miniature pumpkins, which can be dried. Peppers (Capsicum annuum, C. chinense, C. baccatum, C. frutescens, and C. pubescens): Similar to eggplants, there are pepper types that are closely tied with specific cultures. The most common species grown for midwestern markets is C. annuum, which includes sweet green and colored bell peppers, as well as other sweet and hot peppers including banana, Hungarian wax, Italian, jalapeño, serrano, and poblano. These are grown for both fresh market and processing. The four other cultivated species include much hotter peppers that rate above 50,000 on the Scoville scale that is used to measure pepper pungency. These can be a strong niche market, but a little goes a long way, and these smaller-fruited types produce large numbers of fruit per plant. Clearly labeling varieties from seeding to sale is important to prevent look-alike sweet and hot peppers from being confused. Tomatoes (Solanum lycopersicum): There are many types of tomatoes that differ in their fruit shape, size, color, and plant growth habits. Larger beefsteak tomatoes are juicy. Roma and plum types contain less juice and are better for canning and processing. Stuffing tomatoes are large like a beefsteak but without as much flesh or juice inside, leaving a hollow cavity like a pepper. Grape and cherry types tend to be sweeter. Determinate and semi-determinate plants grow 3 to 4 feet tall when trellised. Indeterminate plants continue to grow in height for the entire season and are almost always trellised or otherwise supported. Planting and Spacing Fresh market eggplant, peppers, and tomatoes are often grown on raised beds covered with plastic mulch to promote Midwest Veg Guide 2022

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