Wenjing Guan

Vegetable Crops Hotline Editor & Clinical Engagement Assistant Professor
Department of Horticulture and Landscape Architecture
Area(s) of Interest: Commercial Vegetable and Melon Production
Wenjing Guan's website

155 articles by this author

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Tomato and pepper growers should be aware of potential for earworm ( also called fruitworm) damage, especially if these crops are surrounded by cornfields that are drying down are no longer attractive for egg laying. Please check this article for more information.  



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Small Farm Education Field Day Date: Aug. 30, 2018 Location: Purdue Daniel Turf Center (1340 Cherry Lane, West Lafayette, IN 47907) and Purdue Student Farm (1491 Cherry Lane, West Lafayette, IN 47906) Registration is $10, register at https://www.cvent.com/d/hgqx6g  Greenhouse and Indoor Hydroponics Workshop Date: Sept. 5, 2018 Location: 625 Agriculture Mall Drive, West Lafayette, IN 47907 The work shop is free. Register at https://tinyurl.com/yaxd4k2z 2018 Pumpkin Field Day Date: Sept. 6, 2018 starting at 10:00 am Location: University of Illinois Extension Ewing Demonstration Center. 16132 N. Ewing Rd; Ewing, IL 62836 (Located 20 minutes south of Mt. Vernon, IL) The field day is free. Please register by calling (618) 687-1727 or online at https://go.illinois.edu/pumpkinday2018 by Aug. 31, 2018. Midwest Mechanical Weed Control Field Day Date: Sept. 26, 9:30 -4:00 Location: PrairiErth Farm, 2073 2000 Ave, Atlanta, IL 61723 Registration is $20, register online at www.thelandconnection.org/farmers


Figure 1. A server case of leaf burn under high temperatures.

Strawberries are primarily grown in the mattered row system in Indiana, in which bare-root strawberry plants are set in the spring, fruit is first harvested in the second year and plantings are renovated each year for a few seasons. Growers in southern Indiana have expressed interest in growing strawberries in the annual plasticultural system. With this annual system, plants are set in the fall and harvested in the spring of the following year. Plantings are not normally carried over a second year. Although the annual plasticultural system is very popular in the southern states, its usage is limited in Indiana mainly because our short fall weather conditions pose a challenge for strawberry plants to develop enough branch crowns, which allows them to achieve the optimal yield in the following spring. In the past two years, we have been testing the annual strawberry production system with additional protection from high tunnels[Read More…]




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Daviess Co. Produce Production Meeting Date: Aug. 14, 2018 6:30 pm – 8:30 pm Location: Daviess Co. Produce Auction, LLC, 5567 N 900 E, Montgomery, IN 47558                           Small Farm Education Field Day Date: Aug. 30, 2018 Location: Purdue Daniel Turf Center (1340 Cherry Lane, West Lafayette, IN 47907) and Purdue Student Farm (1491 Cherry Lane, West Lafayette, IN 47906)                             Greenhouse and Indoor Hydroponics Workshop Date: Sept. 5, 2018 Location: 625 Agriculture Mall Drive, West Lafayette, IN 47907                          




The Indiana Pesticide Clean Sweep Project is a great opportunity to legally dispose of unwanted chemicals. It is free of charge up to 250 pounds. To dispose of pesticides, complete the 2018 Pesticide Clean Sweep Planning From (the form is attached to the newsletter) and mail, fax or e-mail the completed form to Garret Creason at Purdue University. 175 South University Street, West Lafayette, IN 47907-2063, (765)494-1492 (phone), (765) 494-4331 (fax) or gcreaso@purdue.edu no latter than Monday, July 30, 2018. Then bring your labeled, leak free and safe to transport containers to the collection site. Do NOT mix materials. Pesticides will be accepted from 9:00 am to 3:00 pm local time at the following dates and locations: August 14, 2018: Steuben County Fairgrounds in Angola, IN August 15, 2018: Jasper County Fairgrounds in Rensselaer, IN August 16, 2018: Henry County Fairgrounds in New Castle, IN August 21, 2018: Gibson County Fairgrounds in Princeton, IN August 22,[Read More…]