甘薯新品种“石甘薯1号”及其栽培技术

针对河北省甘薯种植品种单一、品种退化严重造成的病虫害加重、品质下降、产量和效益降低等现象，通过广泛收集国内外甘薯种质资源，坚持数年开展田间种植观察、鉴定及杂交育种、系统选育等工作，培育出了优质、高产、抗病且适合河北省种植的品种——石甘薯1号。植株呈匍匐状，生长势中等，抗蔓割病、根腐病、黑斑病，薯块下膨纺锤形，薯皮浅红色，薯肉白色，平均667 m²产量2 239.4 kg。经过几年的试验示范总结出了相应的配套栽培技术，包括整地做畦，定植方法、草害防治、肥水管理、控旺促根、病虫害防治、科学收获等7项措施，有力保障了石甘薯1号的高产、优质及种植效益。

The New Sweet Potato Cultivar 'Shiganshu No.1' and Its Cultivation Technology

Abstract: To address the problems that sweet potatoes of Hebei province had aggravated pests and diseases, reduced quality, low yield and efficiency caused by unitary and serious degradation of cultivars, a cultivar ''Shiganshu No.1'' with high quality, high yield, disease resistance and suitable for cultivation in Hebei province was developed, by widely collecting sweet potato seed resources at home and abroad, insisting on field planting observation, identification, cross breeding and systematic selection for several years. ''Shiganshu No.1'' had prostrate plants with medium growth potential and was resistant diseases, including stem rot, root rot and black spot disease. ''Shiganshu No.1'' had shape of spindle, skin of light red, the flesh of white and the average yield of 2 210.1 kg per 667 m2 . After several years of experiment, the corresponding cultivation technology was summed up, including preparation of land, planting method, weed control, fertilizer management, root control, pest control, scientific harvesting, which guaranteed the high yield, high quality and efficiency of ''Shiganshu No.1''.