August 8, 2014:  Seed Saving

August 8, 2014: Seed Saving

Spotty rain hits the state this week with Wisconsin Horticulture Update participants reporting severe drought in some areas of the state and flood conditions in others.  Questions coming into UW-Extension county offices are slowing and are quite varied.  However concerns about slowly maturing vegetables, emerald ash borer and weed identification are common themes among participants […]

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August 1, 2014:  Supplemental Lighting

August 1, 2014: Supplemental Lighting

A slow, dry week greets Wisconsin Horticulture Update participants this week.  Client questions are relatively sparse, with some inquiries on fruit tree collapse (an ongoing problem all summer), weed identification and control, vegetable diseases and disorders, and miscellaneous insect issues.  Johanna Oosterwyk, who manages the University of Wisconsin-Madison D.C. Smith Greenhouse and is a member […]

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July 25, 2014:  Vegetable Disease/Pest Update

July 25, 2014: Vegetable Disease/Pest Update

Wisconsin Horticulture Update participants report a relatively quiet week with weather conditions cooling and becoming drier.  Participants comment on the effects of cooler nighttime temperatures on vegetable production and mention  an uptick in in vegetable diseases including blossom end rot of tomato, black rot of crucifers and Cercospora leaf spot of beet and chard.   […]

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July 18, 2014:  Woody Plant Propagation

July 18, 2014: Woody Plant Propagation

Tree dieback continues to be a prime topic on the Wisconsin Horticulture Update with several participants reporting having received questions on this topic within the past week.  Poor vegetable performance (particularly tomatoes and peppers), various vegetable diseases/disorders (e.g., blossom end rot, Septoria leaf spot of tomato, white rust of cole crops, Phytophthora crown rot), tree galls, […]

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July 11, 2014:  Spotted-Wing Drosophila Update

July 11, 2014: Spotted-Wing Drosophila Update

Wisconsin weather continues to be wet this week with temperatures on the cool side.  Wisconsin Horticulture Update participants comment on high populations of mosquitoes,  emerald ash borer, and Japanese beetle, as well as on receiving calls about tree dieback (yet again), tomato leaf blights, wildlife damage, and weed identification.  Other topics of discussion include grasshoppers […]

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June 27, 2014:  Plant Viruses

June 27, 2014: Plant Viruses

Yet another rainy week comes to the Wisconsin Horticulture Update with participants reporting heavy rain and flooding in many areas of the state.  County UW-Extension agents/educators report a hodgepodge of questions with a concentration of questions in the area of plant identification.  Leaf galls, leaf blights (including tomato leaf blights), nitrogen leaching and continued tree […]

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June 20, 2014:  Weed/Invasive Plant Update

June 20, 2014: Weed/Invasive Plant Update

Rain, rain and more rain is the operative word this week on the Wisconsin Horticulture Update.  Many participants comment on substantial rain during the past week, as well as high winds in some locations.  County UW-Extension agents/educators mention receiving inquiries about tree dieback, poorly growing vegetables, herbicide injury, vegetable insects, woody ornamental cankers and bears! […]

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June 13, 2014:  Exotic/Invasive Worms

June 13, 2014: Exotic/Invasive Worms

A relative quiet week greets Wisconsin Horticulture Update participants this week with many county Extension agents reporting a continuation of the same sorts of questions that they received last week.  These include questions on emerald ash borer and trees (particularly fruit trees) that have leafed out and then collapsed.  Weed and other plant identification questions […]

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June 6, 2014:  Brown Marmorated Stink Bug Update

June 6, 2014: Brown Marmorated Stink Bug Update

Heavy rains hit northwest Wisconsin this week as warm temperatures continue throughout most of the rest of the state.  Wisconsin Horticulture Update participants report receiving numerous inquiries about emerald ash borer, weed identification and trees and shrubs that have not leafed out or have leafed out and then collapsed.  Mosquitoes, flea beetles, cutworms, tent caterpillars, […]

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May 30, 2014:  New/Exciting Herbaceous Plants

May 30, 2014: New/Exciting Herbaceous Plants

  Warm temperatures finally arrive across Wisconsin and it appears that summer has arrived.  Wisconsin Horticulture Update participants comment on heavy rains in some areas of the state and that flowering ornamentals (e.g., crabapples, lilac, iris) are anywhere from bud stage to past peak bloom depending on location.  Dandelions are seeding in many locations, and […]

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