不同生育期刈割对豫北小黑麦草产量、品质和青贮发酵质量的影响
桑瑞娟, 董春阳, 张红妹, 何云, 孙浩, 刘伯帅, 朱晓艳, 马森, 李德锋

Effects of Mowing at Different Growth Stages on Forage Yield, Quality and Silage Fermentation Quality of Triticale in Northern Henan Province
Sang Ruijuan, Dong Chunyang, Zhang Hongmei, He Yun, Sun Hao, Liu Boshuai, Zhu Xiaoyan, Ma Sen, Li Defeng
表5 不同刈割期小黑麦的青贮含水量、pH和有机酸含量
Table 5 Silage moisture content, pH and organic acid content of triticale in different mowing periods
品种
Variety
刈割期
Mowing
period
青贮含水量
Silage moisture
content (%)
pH 有机酸含量Organic acid content (%) 主成分得分
Principal
component score
乳酸
Lactic acid
乙酸
Acetic acid
丙酸
Propanoic acid
丁酸
Butyric acid
优能
Youneng
抽穗期 88.2 4.20±0.28b 4.00±1.20a 1.45±0.21a 0.49±0.69a 0.89
开花期 76.2 4.10±0.00b 3.94±0.19a 1.06±0.22abc 1.50
灌浆期 74.6 4.15±0.00b 3.88±0.09a 1.12±0.03ab 1.41
乳熟期 71.4 4.30±0.00ab 3.74±0.37a 0.74±0.14bcd 1.18
雷神
Leishen
抽穗期 75.6 4.05±0.07b 3.78±0.58a 0.55±0.08cd 1.52
开花期 70.5 4.20±0.00b 3.43±0.26a 0.48±0.11d 1.23
灌浆期 66.0 4.20±0.00b 3.18±0.63ab 0.83±0.17bcd 0.13±0.00a 1.04
乳熟期 64.4 4.50±0.14a 2.11±0.41b 0.41±0.02d 0.15±0.06a 0.35