黑糯玉米品种炎黑糯2134的特征特性分析

Characteristics of black waxy corn variety Yanheinuo 2134

为全面了解炎黑糯2134的品种特征特性,分别运用产量位次、区域适应度、变异系数、高稳系数和回归系数等参数,对炎黑糯2134的丰产性、稳产性和适应性进行分析,并对该品种品质及抗病性进行评价。结果表明,炎黑糯2134在2年区试中平均产量18 267 kg/hm^(2),较对照晋单(糥)41号增产9.9%,丰产性好;该品种2年产量变异系数19.78%,高稳系数81.47%,区域适应度90%及回归系数1.04,具有较好的稳产性和广泛的适应性;该品种品质综合评分91.50分;对玉米常见病害抗性较好。该品种适宜在山西省鲜食玉米区种植。

In order to comprehensively understand the variety characteristics of Yanheinuo 2134,parameters such as yield rank,regional fitness,coefficient of variation,high stability coefficient,and regression coefficient were used to analyze the high yield,stable yield,and adaptability of Yanheinuo 2134,and evaluated its quality and disease resistance of the variety.The results showed that in the 2-year regional trial,the average yield of Yanheinuo 2134 was 18267 kg/hm^(2),an increase of 9.9%compared to the control Jindan(nuo)41,indicating good high yield;The 2-year yield variation coefficient of this variety was 19.78%,the high stability coefficient was 81.47%,the regional fitness was 90%,and the regression coefficient was 1.04,indicating good stability and wide adaptability.The comprehensive quality score of this variety was 91.50 points.It had good resistance to common corn diseases.This variety is suitable for planting in fresh corn areas of Shanxi Province.