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Abstract ▼ AI-Helper

Polygonum multiflorum Thunb. is a herbaceous plant of Polygonaceae and distribution on East Asia and North America. P. multiflorum is used as horticultural crops and root is used as a traditional herbal medicine. But recently, farmhouse is reduced because difficult overwintering and a lot of labors ...

Polygonum multiflorum Thunb. is a herbaceous plant of Polygonaceae and distribution on East Asia and North America. P. multiflorum is used as horticultural crops and root is used as a traditional herbal medicine. But recently, farmhouse is reduced because difficult overwintering and a lot of labors are required. In this study, we have focused on investigation of suitable to seedling size and nutrient solution in deep flow technique system for mass production good seedling of P. multiflorum. The environmental acclimatization seedling was classified as Type 1, Type 2, and Type 3 according to the size with sowing in four nutrient solution. Growth experiment was carried out to confirm the growth differences according to the size of seedling and nutrient solutions. Growth experiment was measuring the stem length, number of leaves, number of dead leaves, number of stem, fresh weight, and dry weight growing after 8 weeks. As a results, root length of Type 1 and Type 2 were 33.8 cm and 29.5 cm at NS3, respectively. Similarly, vine length of Type 1 and Type 2 were best grown up from the NS3 with CaCl2. These results were considered that seedling of enlarged root was effective on the early stage of growth by helping the rooting in the field. On the other hand, it was happened as tip burn and withered on leaf in Type 3 case and it might be required additional experiment for the optimal concentration of the nutrient solution.

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