《豫谷1号和青狗尾草RIL群体根系变异和垂直分布》由会员分享，可在线阅读，更多相关《豫谷1号和青狗尾草RIL群体根系变异和垂直分布（8页珍藏版）》请在金锄头文库上搜索。
1、作物学报 ACTA AGRONOMICA SINICA 2014, 40(10): 17171724 http:/zwxb.chinacrops.org/ ISSN 0496-3490; CODEN TSHPA9 E-mail: SEm200 0.33 3.82 13.15 4.55 2.36 2.46 0.43 12.19 0.05 1.60 9 Total 8.72 288.78 95.97 3.52 3.02 %V9sqb % stands for percentage of root lager to total root layer. V 2 m 2 A , k!0E PVC 5/
2、rsB?pb 020 cma2040 cma4060 cmr , Vaa8a(CF7ht ; 60100 cmWr6 ; 100150 cma150200 cma200 cm#/r , vht , “8”3Osb7!0(9F7ht , 020 cm (0.480.91 mm)rvM , 20 240 cm (0.360.65 mm)SMv , Y1s 020 cmr , 1%b040 cm rVaa8a81sY 54.21%a49.35%a61.60% 69.94%, 40100 cm 91sY 22.91%a24.45%a20.77% 16.23%, ( 20%P ; 100 cm/91sY
3、 22.88%a26.19%a18.61% 13.81%b 图2 参试谷子家系根面积、长度、干重、直径、体积 垂直分布情况 Fig. 2 Vertical distribution of foxtail millet root system in the soil 2.3 !0WM1s V 3 VA , 3M1K , r 0.753, QGQV(0.723)a (0.628)a8 (0.466), tM1(A , 3/aVa81Mb!0. (. )M1K , 0.254, QV8 , sY 0.253 0.184b 3 M1(A , tM1(Al3M1 , 3M1.M1b 5 VM1rA ,
4、M1l , sY 0.152 0.180b!0=a =z= 3= , =a#VM1rA , l , sY 0.233a0.173 0.173bW(iM1b7 5 , +j(iM1b 2.4 !0bWs |!0rQa8aa (x)Mr (y)y , TVaa8fEK , %Kv , % R2sY 0.859a0.840a0.847, (rAM1 ; afEK , %Kv , sY 0.972a0.853, (rAM1bNT , sYy!0aa8aabWs y = 42837 ln(x)+ 1722 T 40 表3 谷子根系和地上部分性状之间的相关系数 Table 3 Correlation co
5、efficient analyses among root and agronomical traits = Flag leaf Item 3 Biomass weight Spike stem length Spike length Grain weight Length z Width Area Root area 0.723*0.226 0.152*0.235*0.173*0.023 0.108 Root length 0.753*0.188 0.115 0.254*0.173*0.023 0.105 8 Root volume 0.466*0.210 0.136 0.184*0.104
6、 0.033 0.018 Root diameter 0.128 0.109 0.005 0.001 0.070 0.034 0.077 Root dry weight 0.628*0.072 0.180*0.100 0.233*0.047 0.084 *VU 0.05 0.01 sAb*Significant at the 0.05 probability level; *Significant at the 0.01 probability level. 9336, r=0.927; y = 11464 ln (x)+27562, r=0.917; y = 5.9095 ln (x)+11
7、.774, r=0.920; y = 0.2097x 0.1859, r=0.986; y = 0.4933x1.4706, r=0.924bNV , kHq/ , !0aa8aas b ( , F , gN , i . lM1 . jv , 1993, 24: 359364 Liu D Y, Shi L Y, Huang B R, Dong Q Y. Root system in relation to characteristics of top in winter wheat. J Shandong Agric Univ, 1993, 24: 359364 (in Chinese wit
8、h English abstract) 24 Fi , , ! , m , , f . sM1#L. . SjS , 1997, 30(4): 6167 Shi Q H, Huang Y J, Li M Y, Xu Y Q, Tan X M, Zhang P L. Studies on the heredity of root characteristics and correlation between the characteristics of roots and upperground parts in rice. Sci Agric Sin, 1997, 30(4): 6167 ( in Chinese with English ab-stract) 25 ) , , + , . ae1+Y . luj , 2013, 3(1): 89100 Du H X, Feng H, Wu P T, Wang B Q. Influence of water and N fertilizer regulation on root growth characteristics of sum-mer maize. Agric Res Arid Areas, 2013, 31(1): 89100 (in Chinese with English abstract)
