RECOMMENDATIONS FOR THE STUDY OF GRAPE ROOTSTOCKS IN NEW-ZEALAND

This paper summarises the principles that should be followed in select ing new grape (Vitis sp.) rootstocks for use in New Zealand. Essential information that must be recorded in full evaluations of grape rootst ocks include: trial objectives and anticipated duration, plant materia l source, site conditions, vineyard design, and harvest and postharves t data. Recommendations are made regarding rootstocks that should be c onsidered for use under New Zealand conditions.