Philip Schwallier
schwalli@msu.edu
Cellphone: 616-490-7917
Environmental quality
MSU Extension
Food and Animal Systems
Coverage Area
Barry County, Clare County, Clinton County, Eaton County, Gladwin County, Gratiot County, Ingham County, Ionia County, Isabella County, Kent County, Lake County, Mecosta County, Midland County, Missaukee County, Montcalm County, Muskegon County, Newaygo County, Osceola County, Ottawa County
Authored Articles
- Grand Rapids area tree fruit update – June 23, 2020, June 23, 2020
- Grand Rapids area tree fruit update – June 16, 2020, June 16, 2020
- Grand Rapids area tree fruit update – June 9, 2020, June 9, 2020
- Grand Rapids area tree fruit update – June 2, 2020, June 2, 2020
- Grand Rapids area tree fruit update – May 26, 2020, May 26, 2020
- Grand Rapids area tree fruit update – May 19, 2020, May 19, 2020
- Grand Rapids area tree fruit update – May 12, 2020, May 12, 2020
- What can fruit growers do if a freeze is coming?, May 5, 2020
- Grand Rapids area tree fruit update – May 5, 2020, May 5, 2020
- Grand Rapids area tree fruit update – April 28, 2020, April 28, 2020
- Grand Rapids area tree fruit update – April 14, 2020, April 14, 2020
- Grand Rapids area apple maturity report – Oct. 23, 2019, October 23, 2019
- Grand Rapids area apple maturity report – Oct. 16, 2019, October 17, 2019
- Grand Rapids area apple maturity report – Oct. 9, 2019, October 9, 2019
- Grand Rapids area apple maturity report – Oct. 2, 2019, October 2, 2019
- Grand Rapids area apple maturity report – Sept. 25, 2019, September 25, 2019
- Grand Rapids area apple maturity report – Sept. 18, 2019, September 18, 2019
- Grand Rapids area apple maturity report – Sept. 11, 2019, September 11, 2019
- Grand Rapids area apple maturity report – Sept. 4, 2019, September 4, 2019
- Grand Rapids area tree fruit update – Sept. 3, 2019, September 4, 2019
- Predicated 2019 east Michigan apple harvest dates, August 20, 2019
- Grand Rapids area tree fruit update – Aug. 20, 2019, August 20, 2019
- Multileader apple production systems: Pros and cons for Michigan’s apple industry, August 19, 2019
- Grand Rapids area tree fruit update – Aug. 6, 2019, August 6, 2019
- Predicted 2019 apple harvest dates, August 2, 2019
- ReTain application at king bloom petal fall shows promise in increasing fruit set of SweeTango apples, July 26, 2019
- Grand Rapids area tree fruit update – July 9, 2019, July 9, 2019
- Grand Rapids area tree fruit update – June 25, 2019, June 25, 2019
- Grand Rapids area tree fruit update – June 18, 2019, June 18, 2019
- Grand Rapids area tree fruit update – June 11, 2019, June 11, 2019
- Grand Rapids area tree fruit update – May 28, 2019, May 28, 2019
- Grand Rapids area tree fruit update – May 21, 2019, May 21, 2019
- Grand Rapids area tree fruit update – May 14, 2019, May 14, 2019
- Grand Rapids area tree fruit update – May 7, 2019, May 7, 2019
- Using ReTain to set fruit, May 7, 2019
- Applying Apogee and Actigard to young apple trees, May 1, 2019
- Grand Rapids area tree fruit update – April 30, 2019, April 30, 2019
- Grand Rapids area tree fruit update – April 23, 2019, April 23, 2019
- Updated apple cropload management models are available, April 16, 2019
- Grand Rapids area tree fruit update – April 16, 2019, April 16, 2019
- Grand Rapids area tree fruit update – April 2, 2019, April 2, 2019
- Grand Rapids area apple maturity report – Oct. 10, 2018, October 10, 2018
- Grand Rapids area apple maturity report – Oct. 3, 2018, October 3, 2018
- Grand Rapids area apple maturity report – Sept. 26, 2018, September 26, 2018
- Grand Rapids area apple maturity report – Sept. 19, 2018, September 19, 2018
- Grand Rapids area apple maturity report – Sept. 12, 2018, September 12, 2018
- Grand Rapids area apple maturity report – Sept. 5, 2018, September 5, 2018
- West Michigan tree fruit update – Sept. 4, 2018, September 4, 2018
- West Michigan tree fruit update – Aug. 21, 2018, August 21, 2018
- West Michigan tree fruit update - Aug. 7, 2018, August 7, 2018
- Predicted 2018 apple harvest dates, July 10, 2018
- West Michigan tree fruit update - July 10, 2018, July 10, 2018
- West Michigan tree fruit update - June 26, 2018, June 26, 2018
- West Michigan tree fruit update – June 19, 2018, June 19, 2018
- West Michigan tree fruit update – June 12, 2018, June 12, 2018
- Correcting blind wood in apples, May 1, 2018
- Grand Rapids area apple maturity report – Sept. 20, 2017, September 20, 2017
- Grand Rapids area apple maturity report – Sept. 13, 2017, September 13, 2017
- Grand Rapids area apple maturity report – Sept. 6, 2017, September 6, 2017
- Grand Rapids area apple maturity report – Aug. 30, 2017, August 30, 2017
- Predicted 2017 apple harvest dates, July 25, 2017
- Apple frost guide for 2017, May 5, 2017
- West central Michigan apple maturity report – September 28, 2016, September 28, 2016
- West central Michigan apple maturity report – September 21, 2016, September 21, 2016
- West central Michigan apple maturity report – September 14, 2016, September 14, 2016
- Root pruning guide for apple trees to reduce excessive vigor, April 26, 2016
- West central Michigan apple maturity report – September 9, 2015, September 9, 2015
- West central Michigan apple maturity report – September 2, 2015, September 2, 2015
- Predicted 2015 apple harvest dates, July 15, 2015
- Three options on how to defruit young apple trees, June 2, 2015
- Applying Apogee to apples in 2015, May 12, 2015
- Use Precision Cropload Management tools to target apple crop load, April 21, 2015
- Grand Rapids area apple maturity report – October 22, 2014, October 22, 2014
- Grand Rapids area apple maturity report – October 10, 2014, October 13, 2014
- Grand Rapids area apple maturity report – September 24, 2014, September 24, 2014
- Grand Rapids area apple maturity report – September 10, 2014, September 10, 2014
- Predicted 2014 apple harvest dates, July 17, 2014
- West Michigan tree fruit regional report – July 8, 2014, July 8, 2014
- Use summer NAA to enhance return bloom on apple varieties, June 18, 2014
- West Michigan tree fruit regional report – June 17, 2014, June 17, 2014
- Apple thinning points for 2014, June 4, 2014
- West Michigan tree fruit regional report – May 20, 2014, May 20, 2014
- West Michigan tree fruit regional report – May 6, 2014, May 6, 2014
- West Michigan tree fruit regional report – April 22, 2014, April 22, 2014
- Bridge grafting for commercial tree fruit workshop, April 15, 2014
- Apple growth stages for Peach Ridge area, April 1, 2014
- Grand Rapids area apple maturity report – October 16, 2013, October 16, 2013
- Grand Rapids area apple maturity report – October 2, 2013, October 2, 2013
- Grand Rapids area apple maturity report – September 18, 2013, September 18, 2013
- Tools to help manage apple harvest, September 18, 2013
- Grand Rapids area apple maturity report – September 5, 2013, September 5, 2013
- ReTain and NAA recommendations for 2013, September 5, 2013
- Sunscald and heat stress in apples could be an issue in the next week or two, August 22, 2013
- Predicted 2013 apple harvest dates, July 23, 2013
- ReTain and NAA as a standard practice for apples, July 23, 2013
- Cherry Variety and High-Tech Research Showcase July 9, June 25, 2013
- Enhance return bloom on apple varieties by using summer NAA, June 4, 2013
- Apple thinning pointers for 2013, May 17, 2013
- Apple blossom thinning for 2013 apple crop, May 7, 2013
- Predicting first green in apples for west Michigan, April 2, 2013
- High density apple plantings are a must for harvest machine, October 22, 2012
- Michigan apple harvest reports – September 27, 2012, September 27, 2012
- Honeycrisp leaf yellowing showing up on Michigan apples, September 4, 2012
- Michigan apple harvest reports – August 29, 2012, August 29, 2012
- Checking apple maturity: What to look for, August 28, 2012
- Predicted 2012 apple harvest dates, August 28, 2012
- Predicted 2011 apple harvest dates, July 12, 2011
- Enhancing return bloom with summer NAA in 2011, June 23, 2011
- Defruiting young apple trees, May 24, 2011
- Thinning apples at petal fall for 2011, May 10, 2011
- Root pruning apple trees to control excessive vigor in 2011, May 3, 2011
- About Sysstem-Cal in apples, April 26, 2011
- Bitterpit control in apples, April 19, 2011
- Predicted 2010 apple harvest dates, June 29, 2010
- ReTain tips for use 2009, August 26, 2009
- Enhancing return bloom with summer NAA 2009, June 2, 2009
- Applying Apogee, May 13, 2008
- ReTain use on apples in stress years, August 7, 2007
- Predicted peak 2006 apple harvest dates, July 25, 2006
- Enhancing return bloom with summer NAA 2006, June 6, 2006
- Apple thinning may be difficult this year, May 2, 2006