[Objectives]This study was conducted to select superior maize combinations.[Methods]With the control maize variety Haihe 2 in the middle altitude area of Yunnan Province as the control,adopting a single-factor randomi...[Objectives]This study was conducted to select superior maize combinations.[Methods]With the control maize variety Haihe 2 in the middle altitude area of Yunnan Province as the control,adopting a single-factor randomized block three-replicate experiment design,a one-year field cultivation experiment was carried out in Luyin Village,Yongfeng Town,Zhaoyang District,Zhaotong City.[Results]A total of 11 new superior maize combinations including ZT-1 and ZT-2 were obtained.Through comprehensive comparison analysis with Haihe 2(CK),we selected six superior combinations of ZT-1,ZT-3,ZT-4,ZT-6,ZT-7 and ZT-9,which showed overall performance better than the control Haihe 2(CK)in terms of resistance,yield,and ear traits.[Conclusions]The selected 6 superior combinations have promotion value,and are recommended for higher-level trials and demonstrations.展开更多
对五株放线菌和硝酸氧化的云南昭通褐煤进行菌-煤匹配降解实验,筛选出降解优势菌绿孢链霉菌。在单因素实验的基础上,通过正交实验优化了绿孢链霉菌降解硝酸氧化昭通褐煤的工艺条件。结果表明,影响权重为:煤样粒度>煤浆浓度>接种量...对五株放线菌和硝酸氧化的云南昭通褐煤进行菌-煤匹配降解实验,筛选出降解优势菌绿孢链霉菌。在单因素实验的基础上,通过正交实验优化了绿孢链霉菌降解硝酸氧化昭通褐煤的工艺条件。结果表明,影响权重为:煤样粒度>煤浆浓度>接种量>培养时间,最佳工艺条件为:煤样粒度-1 003+500μm,煤浆浓度0.200 0 g/20 m L,接种量1.8 m L/20 m L,培养时间20 d,转化率42.56%。红外分析表明,煤中的有机大分子已被绿孢链霉菌降解成小分子。滤液乙酸乙酯萃取物的GC-MS总离子色谱图证明了降解液中含有丰富的小分子有机物,且大多为脂肪烃、酯、醛、酮、胺及芳香族化合物等。展开更多
文摘[Objectives]This study was conducted to select superior maize combinations.[Methods]With the control maize variety Haihe 2 in the middle altitude area of Yunnan Province as the control,adopting a single-factor randomized block three-replicate experiment design,a one-year field cultivation experiment was carried out in Luyin Village,Yongfeng Town,Zhaoyang District,Zhaotong City.[Results]A total of 11 new superior maize combinations including ZT-1 and ZT-2 were obtained.Through comprehensive comparison analysis with Haihe 2(CK),we selected six superior combinations of ZT-1,ZT-3,ZT-4,ZT-6,ZT-7 and ZT-9,which showed overall performance better than the control Haihe 2(CK)in terms of resistance,yield,and ear traits.[Conclusions]The selected 6 superior combinations have promotion value,and are recommended for higher-level trials and demonstrations.
文摘对五株放线菌和硝酸氧化的云南昭通褐煤进行菌-煤匹配降解实验,筛选出降解优势菌绿孢链霉菌。在单因素实验的基础上,通过正交实验优化了绿孢链霉菌降解硝酸氧化昭通褐煤的工艺条件。结果表明,影响权重为:煤样粒度>煤浆浓度>接种量>培养时间,最佳工艺条件为:煤样粒度-1 003+500μm,煤浆浓度0.200 0 g/20 m L,接种量1.8 m L/20 m L,培养时间20 d,转化率42.56%。红外分析表明,煤中的有机大分子已被绿孢链霉菌降解成小分子。滤液乙酸乙酯萃取物的GC-MS总离子色谱图证明了降解液中含有丰富的小分子有机物,且大多为脂肪烃、酯、醛、酮、胺及芳香族化合物等。
