烤烟膜下小苗移栽育苗盘规格优选研究

张久权, 余祥文, 凌爱芬, 王勇, 李磊磊, 董建新

Optimal Specification of Tobacco Seedling Tray for Small Seedling Transplanting under Plastic Film

Zhang Jiuquan, Yu Xiangwen, Ling Aifen, Wang Yong, Li Leilei, Dong Jianxin

表2 不同育苗盘规格与烤烟苗各指标的Pearson相关性分析

Table 2 Pearson correlation analysis of specification of seedling tray and different seedling indexes of flue-cured tobacco

指标Index 盘长Tray length 盘深Tray depth 穴面积Hole area 烟苗密度Plant density 出苗率Emergence rate 0.07(0.7597) 0.79(<0.0001) -0.10(0.6814) -0.06(0.8113) 苗高Seedling height 0.23(0.3260) -0.30(0.1797) -0.38(0.0859) 0.26(0.2557) 茎高Stem height 0.29(0.1979) -0.32(0.1546) -0.79(<0.0001) 0.71(0.0003) 茎围Stem circumstance 0.28(0.1589) 0.19(0.4147) 0.15(0.5268) -0.33(0.1497) 真叶数Number of leaves -0.19(0.3979) -0.12(0.6188) 0.49(0.0253) -0.41(0.0677) 根系体积Root volume -0.23(0.3073) -0.49(0.0233) 0.56(0.0083) -0.63(0.0020) 根干重Root dry weight -0.40(0.0699) 0.10(0.6758) 0.96(<0.0001) -0.89(<0.0001) 茎叶干重Stem and leaf dry weight -0.11(0.6399) 0.16(0.4906) 0.95(<0.0001) -0.89(<0.0001) 整株干重Plant dry weight -0.15(0.5092) 0.15(0.5122) 0.96(<0.0001) -0.90(<0.0001) 茎叶/根Stem and leaf/root 0.83(<0.0001) 0.04(0.8696) -0.52(0.0153) 0.48(0.0274) 叶片叶绿素含量Leaf chlorophyll content 0.17(0.4511) -0.09(0.7064) -0.04(0.8790) 0.16(0.4912) 苗高达标率Seedling height compliance rate 0.09(0.6924) -0.42(0.0555) -0.17(0.4569) 0.12(0.6147) 茎高达标率Stem height compliance rate -0.11(0.6433) -0.51(0.0192) -0.25(0.2741) 0.21(0.3593) 真叶数达标率Leaf number compliance rate 0.20(0.3962) -0.52(0.0155) -0.24(0.2958) 0.24(0.2865) 成苗率Survival seedling rate 0.03(0.8846) -0.38(0.0899) -0.14(0.5540) 0.08(0.7160) 壮苗率Strong seedling rate 0.17(0.4522) -0.49(0.0238) -0.11(0.6419) -0.02(0.9325) 长势Growth 0.33(0.1452) -0.17(0.4726) 0.45(0.0894) -0.39(0.0799) 成本Cost -0.38(0.0897) 0.29(0.1943) 0.94(<0.0001) -0.95(<0.0001)