Fireblight-resistant apple rootstocks developed at Cornell University in Geneva, New York, could secure a place in the Swiss apple industry, members of the International Fruit Tree Association heard during their annual meeting in last February in Germany. Dr. Simon Egger, horticulturist with the Agroscope-Changins Wädenswil Research Station in Switzerland, reported on a trial he conducted with a range of apple rootstocks, including Budagowsky 9, six Geneva rootstocks, Supporter 4, and P.16, P.59, and P.60 from Germany. They were compared with the standard rootstock Malling 9 (337 clone), which is extremely susceptible to fireblight. Egger said there are several ways that […]
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