Journal articles Open Access Trench layering using indole-3-butyric acid and local organic substrate mixtures to enhance rooting and survival of apple rootstocks R. Agaba · F. Babweteera · S. Balaba Tumwebaze · Nelson Turyahabwe +1 more Apples (Malus domestica) were introduced to enhance nutrition and improve livelihoods of famers in highlands of Uganda. However, adoption and commercialisation of apples is largely constrained by low quality rootstocks due to poor rooting … RUF-37401 2018 CC BY 4.0 10 Apr 2018