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1.选择适宜的优良品种 各地应根据本地区的土壤、气候与栽培特点,选择适宜本地区大面积栽培的高产优质或有特殊用途的优良脱毒品种,不宜盲目乱引乱推。淀粉含量高、适于晒干和加工淀粉用的品种有脱毒豫薯7号、脱毒徐薯18等;用来煮食和烘烤的品种有脱毒北京553等。 2.提高繁殖系数,降低种苗成本 由于脱毒红薯的生产成本较高,种苗销售的
1. Select the appropriate varieties should be based around the region’s soil, climate and cultivation characteristics, choose suitable for large-scale cultivation of the region’s high-yielding quality or special use of excellent virus-free varieties, not blindly chaotic push chaos. Starch content is high, suitable for sun-dried and processed starch varieties with detoxification Yushu 7, 18 detoxification Xushu; used to cook and baking varieties have detoxification Beijing 553 and so on. 2. Improve the breeding coefficient and reduce the cost of seed Due to the higher production costs of detoxification sweet potato,