几种常规稻在灵川引种简比试验

A simple comparison test for several varieties of conventional rice introduced in Lingchuan County

【目的】筛选出适宜灵川县大面积推广的优质常规稻品种,为今后订单种植优质稻提供科学依据。【方法】采用随机区组排列,设6个处理,3次重复,以"本地广东占"品种为对照,通过田间对比试验,对六个品种的生育期、经济性状、抗逆性及产量进行比较分析。【结果】对照"本地广东占"全生育期为119天,属于中迟熟品种,其他5个常规稻品种生育期均超过120天,属于迟熟品种;"美香粘"品种株高最高,为108.67cm;"百香139"品种蔸有效穗最多,为13.10穗;穗实粒数以"和鑫5号"和"五山丝苗"品种最多,分别为147.75粒和135.31粒;千粒重以"美香粘"和"五山丝苗"品种最重,分别为22.42g和22.66g。【结论】"百香139"、"美香粘"和"五山丝苗"三个品种外观谷粒细长,卖相好,产量较高,抗逆性较强,可以作为优质常规稻在灵川县大力推广。

【Objective】Selecting good quality varieties of conventional rice which suitable for the growth of large area in Lingchuan County,and provide a scientific basis for the future orders of planting quality conventional rice varieties.【Method】Conducted field contrast test,applying the arrangement of randomized block with three repetition,six processing,with the variety of the local variety "Guangdong Zhan "as control variety,compares and analysis rice growth period,economic character,stress resistance and yield.【Results】For rice growth period,the control variety of"Guangdong Zhan"is belong to the medium-late variety with 119 days,and the others are late varieties; For the plant height,the variety of "Meixiang Zhan"is highest; For the number of productive ear,the variety of ""Baixiang 139 "is most; For the number of filled grain per panicle,the varieties of "No.5 Hexin"and "Wushansimiao"are most; For the thousand seed weight,the variety of "Meixiang"and "Wushansimiao"aremost【Conclusion 】The three conventional rice varieties of "Baixiang 139","Mei xiang Zhan"and "Wushansimiao "can be widely planted in Lingchuan Counties for the following features: slender grain appearance,attractive,high yield and stronger resistance.