Hi there I was wondering is there a special technique when it comes to grafting, also if I have a Vinifera type of grape vine is it ok to graft on a ripiria wild grape vine rootstock? Also when it comes to composting how much of it do you use per grape vine? Can someone please advise me. Thanks
Most vinifera will graft on Riparia. The site below is as good as any for an intro and is specific to grapes, but a google of "grafting" will give lots of info on other techniques like chip or T budding and others that will also work on grapes. Riparia Gloire de Montpelier Vigor: Low to moderate. Effect on fruit set: Improves flowering and berry set. Varieties grafted to this have often declined through a tendency to overbear. Effect on maturity: Advances maturity. Soils: Shallow-growing, well branched root system. Only suited to deep, moist, and fertile soils with good drainage. Should not be used in poor, sandy soils. Not appropriate for calcareous soils and dry sites. Pests and diseases: Very high resistance to phylloxera. Propagation: Roots and grafts easily. Good graft compatibility with V. vinifera. Other comments: In poor growing conditions, vines grafted on Riparia give stems that remain thinner than the scion grafted on it. Therefore, it is not appropriate for low density plantings with considerable fruit weight per vine. It is still considered one of the best rootstocks for quality wine grape production. Grafting: http://cetulare.ucdavis.edu/pubgrape/gv698.htm Ralph
