This section is from the book "Commercial Gardening Vol2", by John Weathers (the Editor). Also available from Amazon: Commercial Gardening, A Practical & Scientific Treatise For Market Gardeners.
Where fine flowers are required the number of growths must be regulated. This is best done in their early stages, allowing each plant five or six growths, while for ordinary purposes double the number will not be too many. The Pompons, Singles and Collarettes, should be allowed to grow naturally, thinning or disbudding being avoided altogether.