Trellises in forcing houses and hothouses

2159. Trellises are of the greatest use in forcing-houses and houses for fruiting the trees of hot climates. On them the branches are readily spread out to the sun, of whose influence every branch, and every twig and single leaf, partakes alike; whereas, if the trees were left to grow as standards, unless the house were glass on all sides, only the extremities of the shoots would enjoy sufficient light. The advantages, in point of air, water, pruning, and other parts of culture, are equally in favour of trellises; independently altogether of the tendency which proper training has on woody fruit trees, to induce fruitfulness.