Dr Glynn Percival manages the UK and Ireland Bartlett Tree Research and Diagnostic Laboratory based at the University of Reading and talks about how new growth on willow trees that makes a mulch that boosts fruit tree health. He and his team have been studying single source mulches - which are made up of the bark and branches of just one species of tree (like willow or eucalyptus) and preliminary studies have found a single soil application of these amendments provides long lasting, broad spectrum control of several fungal, bacterial and viral pathogens. The prize for this episode is a Silky Zubat 330 Handsaw valued at $76.99 USD donated by Bartlett Tree Experts. The host of The Urban Forestry Radio Show and Podcast is Susan Poizner of the fruit tree care education website www.orchardpeople.com.  Tune into The Urban Forestry Radio Show LIVE by going to RealityRadio101.com on the last Tuesday of every month at 1.00 pm Eastern Time.Learn to grow organic fruit trees successfully. Sign up for OrchardPeople.com's premium online courses at https://learn.orchardpeople.com/.