Root pruning and covercrops combine to control vigour

摘要

In its regular viticulture column, the AWRI offers the latest advice on how to keep Chardonnay growth down, and identify the difference between clones, mass-selection and late-season hedging. There appears to be more interest in mass-selected clones than imported clones in my region because they are claimed to produce better wine. What is your opinion? It is incorrect to describe these mass selections as clones. A clone, by definition, must be able to be traced back to a single source vine, i.e., every single vine of Chardonnay I10V1 can be traced back to a single source vine in California. Mass selections are most often the result of an initial collection of cuttings from one or more vines in a vineyard of good reputation; for example, the so-called 'Reynella clone' of Cabernet Sauvignon or the so-called 'Lovedale and Drayton clones' of Semillon.