Wenjing Guan

Vegetable Crops Hotline A newsletter for commercial vegetable growers prepared by the Purdue University Cooperative Extension Service

Wenjing Guan

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

(812) 886-0198 guan40@purdue.edu

Wenjing Guan's website

426 articles by this author

Article List

Southwest Purdue Ag Center Watermelon Variety Evaluation Open House on July 24

July 11, 2024 - From Issue: 740

By: Wenjing Guan

Dear Melon Growers and Industry Friends, You are invited to tour the watermelon variety trials conducted at Southwest Purdue Ag Center in Vincennes, IN, on July 24, 10:00 am-1:00 pm [Read More…]

Article Categories:

Cucurbits
- Watermelon

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Vegetable Responses to Waterlogging Stress

July 11, 2024 - From Issue: 740

By: Wenjing Guan

Figure 1. Vegetable crops’ responses to waterlogging stress.

This week, several regions of Indiana experienced excessive rainfall due to the remnants of Hurricane Beryl passing through the state. The heavy rain caused flooding in some vegetable fields. When [Read More…]

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Irrigation Workshop for Small-Scale Vegetable Producers on Sept. 4

June 28, 2024 - From Issues: 739 / 740 / 741 / 742 / 743

By: Wenjing Guan

Date: September 4, 2024 Time: 3:00 – 8:00 PM EST Location: Southwest Purdue Ag Center, 4369 N Purdue Rd, Vincennes, IN 47591 Dinner Provided Join us for an informative workshop [Read More…]

Article Categories:

Vegetable Crops – General

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Fruiting Vegetable Responses to Drought Stress

June 28, 2024 - From Issue: 739

By: Wenjing Guan

Figure 1. The different stages of BER on green tomatoes. The symptom is likely caused by drought stress resulted calcium deficiency.

It seems the season has shifted abruptly from wet to dry. Over the past week, we’ve begun to hear reports typically associated with hot and dry conditions. At the Southwest [Read More…]

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High Temperature Affects Fruit Set of Vegetable Crops

June 28, 2024 - From Issue: 739

By: Liz Maynard and Wenjing Guan

Figure 2. Pumpkin female flower aborted before opening (Photo by E. Maynard).

Recent high temperatures have been above optimum for vegetable crops. Around Indiana, from June 12 to 25 the daily high was more than 90°F on at least 5 days and [Read More…]

Article Categories:

Vegetable Crops – General

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Irrigation Workshop for Small-Scale Vegetable Producers on Sept. 4

June 14, 2024 - From Issue: 738

By: Wenjing Guan

Figure 3. Irrigation dye-demonstration at Pinney Purdue Vegetable Field Day. The drip tape in the demonstration was 12’’ emitter spacing and 0.4 gpm/100 ft flow rate at 8 PSI ran for an hour at 10 PSI.

Date: September 4, 2024 Time: 3:00 – 8:00 PM EST Location: Southwest Purdue Ag Center, 4369 N Purdue Rd, Vincennes, IN Dinner Provided Join us for an informative workshop designed [Read More…]

Article Categories:

Vegetable Crops – General

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Do June-bearing Strawberries Harvest in June?

June 14, 2024 - From Issue: 738

By: Wenjing Guan

Lettuce, tomato and strawberry sold at auction

This year, the strawberry season throughout Indiana seems to be early by about 10 days to 2 weeks, regardless of the production system. In southern Indiana, I heard the harvest [Read More…]

Article Categories:

Other Vegetables
- Strawberry

Article Tags:

Harvesting and Postharvest

Indiana Strawberry Production Census

May 30, 2024 - From Issue: 737

By: Wenjing Guan

A plasticulture strawberry field in southern Indiana.

According to the newly released 2022 Census of Agriculture, Indiana has 248 farms growing strawberries, a 25% increase from 2017’s 199 such farms. This rise is particularly notable because the [Read More…]

Article Categories:

Strawberry

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Watermelon Update

May 30, 2024 - From Issue: 737

By: Wenjing Guan

By now, most watermelons have been planted in southern Indiana, and most fields are currently in the vegetative growth stage. The earliest planted fields have begun to set fruit. In [Read More…]

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Plant Disease Management

Discussion with Dr. Marvin Pritts about Strawberry Production in the Northeast

May 3, 2024 - From Issue: 735

By: Wenjing Guan and Miranda Purcell

A new episode of the Strawberry Chat podcast is available. In this episode, we talked with Dr. Marvin Pritts from Cornell University. We discussed the new edition of the Strawberry [Read More…]

Article Categories:

Strawberry

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Strawberry Chat

Wenjing Guan

426 articles by this author

Article List

Southwest Purdue Ag Center Watermelon Variety Evaluation Open House on July 24

Vegetable Responses to Waterlogging Stress

Irrigation Workshop for Small-Scale Vegetable Producers on Sept. 4

Fruiting Vegetable Responses to Drought Stress

High Temperature Affects Fruit Set of Vegetable Crops

Irrigation Workshop for Small-Scale Vegetable Producers on Sept. 4

Do June-bearing Strawberries Harvest in June?

Indiana Strawberry Production Census

Watermelon Update

Discussion with Dr. Marvin Pritts about Strawberry Production in the Northeast

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