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四杂42以自选不育系Ⅶ72A为母本、自选恢复系4815为父本于2001年组配育成的高粱杂交种。该品种早熟、高抗丝黑穗病和叶斑病。在中等肥力栽培条件下,公顷产量7500kg,在较高肥力栽培条件下,公顷产量可达9000kg以上。适宜种植敖杂1的地区均可种植。
Four hybrid 42 with optional sterile line Ⅶ72A as the female parent, optional restorer line 4815 as the male parent in 2001 bred into sorghum hybrids. The variety is precocious, highly resistant to head smut and leaf spot. Under moderate fertility cultivation, the yield of hectare is 7500kg, and under the condition of higher fertility cultivation, the yield of hectare can reach more than 9000kg. Suitable for planting Ao 1 areas can be planted.