Shrub training and pruning in the Japanese chestnut (Castanea crenata Sieb. et.) 'Ishizuchi' by the 1 year branch utilization with the aim of the high-quality stable good harvest cultivation
2002
"Umeya, T. (Ibaraki-ken. Horticultural Research Inst., Iwama (Japan)) | Katagiri, S. "
"Chestnut (Castsnea Crenata Sieb. et.) cultivar Ishizuchi' was investigated and was examined fruit yield point, quality and difference between tree from ""the practice tree"" cultivated by growing the tree on ""the shrub training and pruning tree height cultivation tree"" which used the strong 1 year branch as bearing maternal branch. 1. Tree height and crown area small, yield point per 1 square m and 1 fruit multiple remarkably surpassed the shrub training and pruning tree further than the practice cultivation tree. 2. The shrub training and pruning tree the generation of 1 year branch over the number of leaves and 80cm of 1 square m was remarkably more abounding than the practic ecultivation tree, and the superior bearing maternal branch over 80cm was sufficient-lyable to be placed in the pruning in the crown. 3. Nitrogen content of the bearing maternal branch was mainly utilized in the shrub training and was pruning tree showed a value which was higher than the nitrogen content of the practice cultivation tree. 1. The height of the shrub training and pruning tree allows it to receive fulx of solar radiation over relative fulx of solar radiation 50% to the crown inside, it was estimated that there are many leaves of which the productvity of which the 1 eaf color is deep. 5. The vigor of the shrub training and pruning tree was stronger than that of the practice cultivation tree, and the yield point and quality of the fruit were good, and it seemed to be the cultivation method which produced the high profitability."
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