This is an update of the article When to Stop Spraying Fungicide published in issue 666 on Sep. 12, 2019. Many vegetable growers are closing in on the final harvest. Several growers have asked me about fungicide applications late in the season. In this article, I want to address when to stop. To limit the…Read more about When to Stop Spraying[Read More]
Found 1661 Articles
This disease appears to be more important each year. It is not clear to me why. This article reviews Plectosporium of pumpkin, sometimes called white speck. I would rank Plectosporium blight behind powdery mildew, bacterial leaf spot and Phytophthora blight in economic damage caused. The occurrence of this disease is usually sporadic. However, when it…Read more about Plectosporium blight of Pumpkin[Read More]
Downy mildew was observed on pumpkins in Daviess, Knox and Washington County. Evenings and mornings with heavy dews and fogs may help the disease to spread. Whether to apply fungicides for this disease will depend in part on when growers plan to harvest. In addition to the cucurbit downy mildew outbreaks reported in the last…Read more about Second Downy Mildew Report in Indiana[Read More]
Many things changed this year. It is unfortunate we are not able to meet in person, but there are no shortage of great opportunities for learning. And even more, as the distance may not be an issue when field days become virtual. I hope you have enjoyed the Purdue Small Farm Education Field Day and…Read more about Upcoming Virtual Field Days[Read More]
Question: What happened to these fruit? Answer: Hail damage. A storm that happened in middle July brought hail to parts of Indiana. Hail hit small fruit, and damage became pronounced as fruit grow. More information about the damage to vegetable crops can be found in the article Hail Damage published in Vegetable Crops Hotline Issue…Read more about Answer to Question from Last Issue (8-13-2020)[Read More]
USDA announces more eligible commodities for Coronavirus Food Assistance Program (CFAP), and the deadline to apply for the program was extended to September 11th. The following additional commodities are now eligible for CFAP: Specialty Crops – aloe leaves, bananas, batatas, bok choy, carambola (star fruit), cherimoya, chervil (french parsley), citron, curry leaves, daikon, dates, dill, donqua…Read more about Update of the CFAP program on Aug. 11[Read More]
A common problem tomato growers face this time of year are fruit defects caused by high temperatures. Heat stress on tomatoes can lead to reduced yield and abnormal fruit development. The common physiological disorders on fruit development under heat stress include yellow shoulder, internal white tissue, and blotchy ripening. In a recent presentation by Gordon…Read more about Tomato Varieties Differ in Susceptibility to Internal White Tissue Disorder[Read More]
Rain moved across Indiana earlier this week, bringing much-needed precipitation to the northern counties. Unfortunately, the 30-day rainfall totals are still up to two inches below normal (Figure 1). The southern and southwestern counties are well above normal and could likely use a break for the next few days! Good news for those tiring of…Read more about Monitoring Potential Evapotranspiration Across Indiana[Read More]
Watermelon is growing in this bed, but something went wrong. What happened? Answer: The weed morningglories are taking over watermelons. Morningglories have become one of the most severe weeds observed in the watermelon field in southern Indiana. More information about this weed can be found in the article Morningglories in this issue of Vegetable Crops…Read more about Answer to Question from Last Issue (7-30-2020)[Read More]
Purdue University prohibits discrimination against any member of the University community on the basis of race, religion, color, sex, age, national origin or ancestry, genetic information, marital status, parental status, sexual orientation, gender identity and expression, disability, or status as a veteran. This material may be available in alternative formats. 1-888-EXT-INFO Disclaimer: Reference to products in this publication is not intended to be an endorsement to the exclusion of others which may have similar uses. Any person using products listed in this publication assumes full responsibility for their use in accordance with current directions of the manufacturer.