The Walnut Industry


by Otto Muller The two major factors limiting the walnut industry are blight and frost.  In Central Otago the area suitable for planting is limited to areas frost-free during the growing season of walnuts, while in Canterbury areas with lower rainfall are preferred because higher rainfall areas are more likely to have problems with blight.  David McNeill is working on a rather ingenious project to find a solution to the problem of blight.  If he is successful he will have earned the gratitude of walnut growers all over the world because blight is not just a New Zealand problem. To the [...]