JIA-2018-09

2088 TIAN Xing-zhou et al. Journal of Integrative Agriculture 2018, 17(9): 2082–2095 Table 3 Comparison of anthocyanin composition according to ensiling period of sticky corn stover silage (SSS) and anthocyanin-rich purple corn stover silage (PSS) (DM basis) Item (mg g –1 ) 1) Type 2) Ensiling time (d) 3) Mean1 4) SEM P -value 5) 0 7 14 21 42 63 84 105 Silage Time S×T C3G SSS 0.0283 0.0279 0.0247 0.0245 0.0269 0.0284 0.0244 0.0246 0.0262 0.0012 0.148 0.0597 0.473 PSS 0.0288 0.0253 0.0253 0.0245 0.0246 0.0244 0.0243 0.0250 0.0253 0.0014 Mean2 0.0285 0.0266 0.0250 0.0245 0.0257 0.0264 0.0244 0.0248 SEM 0.0015 0.0003 0.0011 0.0018 0.0020 0.0009 0.0007 0.0009 Del SSS – – – – – – – – – – – – – PSS 0.515 – – – – – – – – – Mean2 – – – – – – – – SEM – – – – – – – – P3G SSS 0.0836 0.0777 0.0739 0.0718 0.0749 0.0713 0.0701 0.0679 0.0739 A 0.0034 0.0031 0.0396 0.950 PSS 0.0745 0.0701 0.0674 0.0693 0.0676 0.0658 0.0644 0.0670 0.0683 B 0.0037 Mean2 0.0790 a 0.0739 ab 0.0707 b 0.0706 b 0.0713 b 0.0686 b 0.0672 b 0.0674 b SEM 0.0042 0.0008 0.0031 0.0052 0.0055 0.0022 0.0020 0.0020 Peo SSS 0.0340 0.0311 0.0281 0.0302 0.0284 0.0286 0.0284 0.0285 0.0297 B 0.0013 <0.0001 <0.0001 0.122 PSS 0.0453 0.0372 0.0374 0.0378 0.0320 0.0312 0.0315 0.0323 0.0356 A 0.0020 Mean2 0.0397 a 0.0342 b 0.0328 bcd 0.0340 bc 0.0302 d 0.0299 d 0.0299 d 0.0304 cd SEM 0.0023 0.0004 0.0013 0.0028 0.0023 0.0009 0.0008 0.0011 M3G SSS 0.0396 def 0.0396 def 0.0352 ef 0.0402 def 0.0342 ef 0.0337 ef 0.0324 ef 0.0317 f 0.0358 0.0016 <0.0001 <0.0001 <0.0001 PSS 0.113 a 0.0654 b 0.0592 bc 0.0568 c 0.0413 de 0.0367 def 0.0380 d 0.0462 de 0.057 0.0036 Mean2 0.0761 0.0525 0.0472 0.0485 0.0377 0.0352 0.0352 0.0390 SEM 0.0052 0.0007 0.0019 0.0042 0.0029 0.0011 0.0009 0.0013 Cya SSS 0.111 bc 0.103 bc 0.0977 bcd 0.100 bc 0.104 bc 0.0978 bcd 0.0910 d 0.0913 d 0.0994 0.0046 <0.0001 <0.0001 <0.0001 PSS 0.179 a 0.115 b 0.111 bc 0.114 b 0.109 bc 0.0937 cd 0.0941 cd 0.0982 bc 0.114 0.0067 Mean2 0.144 0.109 0.104 0.107 0.106 0.0958 0.0926 0.0948 SEM 0.0087 0.0013 0.0044 0.0084 0.0082 0.0031 0.0026 0.0034 Pel SSS 0.0912 0.0827 0.0789 0.0795 0.0813 0.0775 0.0771 0.0747 0.0804 B 0.0037 0.0013 <0.0001 0.0802 PSS 0.111 0.101 0.0897 0.0918 0.0818 0.0764 0.0753 0.0770 0.088 A 0.0049 Mean2 0.101 a 0.0918 b 0.0843 bc 0.0857 bc 0.0815 c 0.0770 c 0.0762 c 0.0758 c SEM 0.0057 0.0011 0.0035 0.0068 0.0063 0.0024 0.0022 0.0027 Mal SSS – – – – – – – – – – – – – PSS 1.82 0.319 0.324 0.326 0.349 0.351 0.345 0.323 0.520 0.0443 Mean2 – – – – – – – – SEM – – – – – – – – Total SSS 0.387 c 0.362 c 0.339 c 0.347 c 0.340 c 0.337 c 0.323 c 0.319 c 0.345 0.0156 <0.0001 <0.0001 <0.0001 PSS 2.41 a 0.733 b 0.713 b 0.720 b 0.706 b 0.679 b 0.672 b 0.669 b 0.913 0.0645 Mean2 1.40 0.548 0.526 0.533 0.527 0.508 0.498 0.494 SEM 0.110 0.0081 0.0206 0.0527 0.0416 0.0140 0.0102 0.0150 1) C3G, cyanidin-3-glucoside; Del, delphinidin; P3G, pelargonidin-3-glucoside; Peo, peonidin; M3G, malvidin-3-O-glucoside; Cya, cyanidin; Pel, pelargonidin; Mal, malvidin. 2) Mean2, values represent the means of 6 replicates ( n =6); SEM, standard error of the mean. 3) Values represent the means of 3 replicates ( n =3). 4)  Mean1, values represent the means of 24 replicates ( n =24). 5) Silage, effect of silage; Time, effect of storage day; S×T, effect of silage and storage day interactions. Means with different lowercase letters are significantly different ( P <0.05); means with different uppercase letters within the same column are significantly different ( P <0.05). –, not detected.