Wenjing Guan

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

457 articles by this author

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Tomato and Cucumber growers who are interested in grafting tomato and cucumber plants by themselves may find this information helpful. Step-By-Step instruction of how to graft tomato plants is available from Purdue Extension publication Vegetable Grafting: Techniques for Tomato Grafting https://mdc.itap.purdue.edu/item.asp?Item_Number=HO-260-W as well as a Purdue Extension video https://www.youtube.com/watch?v=7Ufx66Isf88 A cucumber grafting instruction was also…Read more about Learn How to Graft Cucumber and Tomato Plants[Read More]


The Indiana Department of Workforce Development is undertaking a major redesign of its Uplink Employer Self-Service system (ESS) to better meet the needs of employers. ESS provides employers with online access to Unemployment Insurance account information, including report submission, tax payments and information on account issues. The first phase of the redesign will be completed…Read more about Major Redesign Coming to Uplink ESS[Read More]


Cover crops can be a useful conservation practice for improving soil health, scavenging and recycling nutrients, reducing erosion, and contributing to more resilient cropping systems over the long term.  Two new extension publications about Cover Crop Recipes for Indiana are available at the Purdue Education Store: https://edustore.purdue.edu/item.asp?Item_Number=AY-356-W https://edustore.purdue.edu/item.asp?Item_Number=AY-357-W There is also a webinar scheduled on Feb….Read more about Cover Crop Recipes for Cover Crop Users in Indiana[Read More]


Please welcome Dr. Brock Harpur as a new Assistant Professor in Pollinator Biology. He joins the Department of Entomology, Purdue University.  A native of British Columbia, Canada, Brock is a specialist in honey bee genetics and the evolution of social insects. He will take up honeybee research program plus provide extension expertise to bee-keepers both…Read more about Welcome New Faculty Dr. Brock Harpur[Read More]


Welcome to a new year of the Vegetable Crops Hotline (VCH), Purdue Extension’s newsletter for people in the business of growing vegetables. As usual, we will have fifteen issues throughout the 2019 growing season. The first issue of the year is sent to all who subscribed to VCH via US-mail in 2018 as well as new subscribers for 2019. To…Read more about Welcome to a New Year of Vegetable Crops Hotline[Read More]


Getting seedlings off to a good start begins with a good growing medium for transplants. Growing media for organic production must meet the guidelines set out by the National Organic Standards Board, including not containing any synthetic substances (unless they have been approved for that use) or any prohibited materials. A number of products meet…Read more about How Do Growing Media for Organic Production Compare?[Read More]


2019 Indiana Small Farm Conference Date: February 28 to March 2, 2019 Location: Hendricks County Fairgrounds in Danville, Indiana Registration ends 2/20/19. More information about the conference can be found at https://www.purdue.edu/dffs/smallfarms/   Michiana Greenhouse & High Tunnel Growers Meeting Date: March 5, 2019 9:00 am – 3:30 pm Location: Elkhart County 4-H fairgrounds. 17746 County Rd…Read more about Upcoming Events[Read More]


SWIM meeting * Parke Co. Veg. meeting * Illiana Veg Symposium * Indiana Hort Congress * Small Farm Conference Southwest Indiana Melon and Vegetable Growers’ Technical Meeting Date: November 15, 2018 5:00 pm to 8:00 pm (EST) Location: Southwest Purdue Ag Center (SWPAC), 4369 N. Purdue Road, Vincennes, IN The main focus of the Southwest Indiana Melon…Read more about Upcoming Events[Read More]


Two new versions of vegetable disease extension bulletins: Downy Mildew of Cucurbits and Fusarium Wilt of Watermelon are available. They can be downloaded at: Downy Mildew of Cucurbits: https://mdc.itap.purdue.edu/item.asp?itemID=23207 Fusarium Wilt of Watermelon: https://mdc.itap.purdue.edu/item.asp?itemID=23211 


We are going to continue the study of evaluating grafted cucumbers for early season production in greenhouses and high tunnels by collaborating with farmers. You will find what we have learned through the process in the previous article. The same as last year, we are going to supply grafted and normal cucumber plants for free….Read more about Are You Interested in Participating in a Grafted Cucumber Study?[Read More]