// Load trees
Node trees = (Node) assetManager.loadModel("Models/Islands/ogre/trees_01.j3o");
rootNode.attachChild(trees);
for (Spatial sp : trees.getChildren()) {
Node nd = (Node) sp;
nd.detachAllChildren();
if (nd.getName().indexOf("plant_01") == 0) {
// Load Tree
Node tree_1 = (Node) assetManager.loadModel("Models/Plants/ogre/plant_01.j3o");
tree_1.getChild(1).setQueueBucket(Bucket.Transparent);