We checked primary bud mortality today of the Chambourin in the MVEC vineyard and the Chambourcin and Chardonel in the Old Foundation Vineyard. Here are the results of the percentage primary bud mortality out of 100 buds sampled in each cultivar/vineyard combo: Chambourcin (MVEC) - 18% primary bud mortality Chambourcin (Found) - 19% primary bud mortality Chardonel      … [Read more...] about Evaluating winter bud mortality of grapevines