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Introduction to the Lu Shu No. 7 sweet potato variety and key cultivation techniques

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Lu Shu No. 7: It was developed by the Crop Research Institute of the Shandong Academy of Agricultural Sciences through sexual hybridization, using Nanfeng as the female parent and 918 as the male parent. This variety has outstanding multi-resistance, resisting root rot, black spot disease and stem nematode disease. According to the results of the 2-year regional trial in northern China, the fresh tuber yield was 1499.7 kg per mu, 0.02% lower than that of Xu Shu 18; the dried tuber yield was 455.6 kg per mu, 4.07% higher than that of Xu Shu 18; and the starch yield was 294.3 kg per mu, 5.49% higher than that of Xu Shu 18. The leaves of this variety are all green, the stem color is green with purple,

Lu Shu No. 7: It was developed by the Crop Research Institute of the Shandong Academy of Agricultural Sciences through sexual hybridization, using Nanfeng as the female parent and 918 as the male parent. This variety has outstanding multi-resistance, resisting root rot, black spot disease and stem nematode disease. According to the results of the 2-year regional trial in northern China, the fresh tuber yield was 1499.7 kg per mu, 0.02% lower than that of Xu Shu 18; the dried tuber yield was 455.6 kg per mu, 4.07% higher than that of Xu Shu 18; and the starch yield was 294.3 kg per mu, 5.49% higher than that of Xu Shu 18. The leaves of this variety are all green, the stem color is green with purple, and the leaves are heart-shaped; the tubers are spindle-shaped, the tuber skin is purplish red, and the tuber flesh is light yellow, with a drying rate of 30.01% and a starch rate of 19.74. It has good drought resistance and sprouting ability, and is suitable for planting in disease-prone and arid areas.

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