Philip Schwallier
schwalli@msu.edu
Telephone: 616-693-2193
Cellphone: 616-490-7917
MSU Extension
Specialty Crop Production Educator
Food and Animal Systems
Environmental quality
Tags: clarksville research center, msu extension
Authored Articles
- 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
- Using ReTain to set fruit, May 7, 2019
- Grand Rapids area tree fruit update – May 7, 2019, 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
- West Michigan tree fruit update - July 10, 2018, July 10, 2018
- Predicted 2018 apple harvest dates, 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
- Predicted 2012 apple harvest dates, August 28, 2012
- Checking apple maturity: What to look for, 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