Early spring is a good time to make the first herbicide application of the year. There are several options for fruit crops including both pre- and post-emergent herbicides. See the weed control chapter in the 2018 Midwest Fruit Pest Management Guide for a complete list of products. In most situations, there will be some emerged…Read more about Spring Weed Management in Fruit Crops[Read More]
Crop Management
Of course, we all hope for a late spring to help avoid the risk of damage from late spring frosts. But when the temperature warms up then turns cold again, it leaves us in a real bind. The warm temperatures push tree development, then we want the warmer conditions for good pollinating weather. When we…Read more about Increasing Apple Fruit Set in Cold Springs[Read More]
So far it has been a cool spring, that in the northern half of the state has helped hold back bud development. As we can see from Figure 1, in Lafayette we have only accumulated 25 growing Degree Days (GDD), and most of these were the result of two warm days (54 and 63 F)…Read more about Spring Temperatures[Read More]
Although strawberry plants can be quite cold hardy, they need protection to survive the winter. In North Carolina, growers use floating row covers to protect strawberries in the winter. In Indiana, straw mulch is a more traditional way of winter protection for strawberries grown in a matted row system. After two relatively mild winters in…Read more about Strawberry Winter Protection: Straw Mulch vs. Row Covers[Read More]
If you sold, or normally do you sell, more than $1000 worth of agricultural products in a year then it is your responsibility to fill out the 2017 USDA Census of Agriculture. USDA’s National Agricultural Statistics Service (NASS) needs a Census of Agriculture response from ALL the nation’s producers. In order to get an accurate…Read more about Census of Agriculture[Read More]
The proper time to remove straw from matted row strawberries is when the bare-soil temperature at 4 inches averages about 40-43˚F. This usually coincides with mid to late March in central Indiana. This year is later than average with soil temperatures still in the 40s. Plants will begin pushing new leaves as the soil temperatures…Read more about Straw Removal on Strawberries[Read More]
It’s been a cool spring this year and brambles are still mostly dormant in the Lafayette area. This is a good time to finish pruning chores. In summer fruiting types, this past year’s fruited canes should be removed if they were not removed last summer or fall. Remove weak or spindly floricanes and thin to…Read more about Pruning Brambles[Read More]
Check list: ~Indiana Disease management program for apples for 2018 is available at: https://www.extension.purdue.edu/extmedia/BP/BP-201-W.pdf This information is identical to the Midwest fruit pest management guide, but provided in a table format and includes Fungicide Resistance Action Committee (FRAC) Codes, REI, PHI and efficacy information for each product (Fig. 1). ~Reducing overwintering inoculum for apple scab:…Read more about Forewarned is Forearmed[Read More]
Spring freeze damage can be a significant economic problem for Midwest grape growers. Widespread damage occurred in 2007, 2012 and 2017 when warm temperatures in February and March were followed by freezing temperatures. Obviously this year has been very cool so far so there is hopefully less risk of early budbreak and frost damage. But,…Read more about Pruning to Adjust for Winter Injury and Avoid Spring Frost Damage to Grapes[Read More]
This winter was significantly colder than normal in the northern half of Indiana. Many areas north of “I-70” experienced temperatures between -15 and -20˚F in early January. That is cold enough to cause considerable cold injury to grapes, peaches, and blackberries. See the map below for minimum winter temperatures. We have evaluated crops at the…Read more about Determining Winter Injury in Grape Vines[Read More]