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s (_Carya cordiformis_) grew well, and are still growing well after more than fifteen years. Several different varieties of shagbark hickory scions were used in this grafting. The second year, we again grafted as many or more stocks in this same area. The results were exactly the same, except that we used some scions of Davis and Fox. (These varieties were brought to light through the contests of the previous winter). The grafts of Davis grew on pignut stocks, are still alive and doing fairly well. They have been bearing for several years, although the squirrels have stolen all of the nuts. Grafts of all other varieties which were on the pignut stocks died the next spring. One graft of Fox on mockernut lived and has continued to grow fairly well. That same year we started our test orchard of shagbark stocks (_Carya ovata_) in a different area. Grafts on these stocks have grown very well. I believe that for some reason grafts of shagbark on pignut stocks cannot stand cold weather. Certainly, incompatibility is very marked. Our experience with hickory stocks to date is as follows: PIGNUT (_Carya glabra_ or possibly _Carya ovalis_). This species is worthless as a stock for shagbark, shellbark, and hybrids of these species. If nut growers have some pignut stocks growing where they especially wish to have some good hickory trees, they can graft them to Davis. We have also heard that Brooks will grow on pignut stocks. MOCKERNUT (_Carya alba_). This species is also nearly worthless as a stock for shagbark, shell bark, and hybrids, although many more varieties will live on it than will on pignut stocks. SHAGBARK (_Carya ovata_). This species makes the most dependable stock of any we have tried so far, for shagbark, shell bark, and the hybrids. Its greatest drawback is the long time it takes to grow seedlings to a size large enough to graft. SHELLBARK (_Carya laciniosa_). We have never had an opportunity to use this species as a stock. I think that it would make a good one and possibly be faster growing than shagbark. BITTERNUT (_Carya cordiformis_). We have found that this species makes a very satisfactory stock for shagbark and hybrid grafts. We have not tried shellbark on it, except Berger which grows well on it. Seedlings of this species are much faster growing than are shagbark seedlings, and thus are large enough to graft sooner. We have grafts growing on bitternut stocks since 1935, they are growing and pr
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