Black walnut tree
专利汇可以提供Black walnut tree专利检索，专利查询，专利分析的服务。并且A new and distinct cultivar of black walnut tree (Juglans nigra L.) which is distinctly characterized by rapid growth rate, strong central stem tendency, average time of leafing, and excellent straightness (little sweep and few crooks) thereby producing excellent timber qualities. The new variety has good nut qualities as well as abundant annual to biennial crops of large-sized nuts, begins nut-bearing early in life of tree, average 2 nuts per cluster, and produces kernels which exceed about twenty (20) percent of nut weight. The nuts are large and ripen in mid-season. The pistillate flowers mature early while pollen maturity is late. In most years there is no overlap in female and male flowering. Flowering begins very early in the life of the tree. This new variety of black walnut tree was discovered by the applicant near Silverville in Lawrence County, Ind., in a cultivated area. It occurred as a wild tree growing on land managed for timber-growing purposes and was discovered in the course of a search for unique and high quality black walnut trees to be utilized in breeding for outstanding timber producing potential. This selection has been designated as BW49 in records maintained on the performance of grafts made from the original selection and will be known henceforth as Lawrence-1.，下面是Black walnut tree专利的具体信息内容。
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