化控剂对东北春玉米茎秆理化特性及抗倒伏的影响

樊海潮,顾万荣,杨德光,尉菊萍,朴琳,张倩,张立国,杨秀红,魏湜

Effect of Chemical Regulators on Physical and Chemical Properties and Lodging Resistance of Spring Maize Stem in Northeast China

Hai-Chao FAN,Wan-Rong GU,De-Guang YANG,Ju-Ping YU,Lin PIAO,Qian ZHANG,Li-Guo ZHANG,Xiu-Hong YANG,Shi WEI

表2 化控剂对玉米茎秆抗折力的影响

Table 2 Effects of chemical regulators on bending resistance of maize stem

年份 Year 处理 Treatment 拔节期 Elongation stage 抽雄吐丝期 Tasseling stage 灌浆初期 Early filling stage 乳熟期 Milk stage 完熟期 Maturing stage 2015 KP 229.69±11.75 a 433.51±8.83 a 491.83±6.57 a 465.41±6.70 a 455.26±17.97 a DTB 220.11±11.98 a 402.41±8.85 b 472.55±7.87 b 436.58±5.54 b 417.76±15.53 a CK 162.17±10.40 b 346.33±16.82 c 409.05±11.84 c 381.07±12.67 c 360.50±17.56 b 2016 KP 231.14±12.15 a 441.64±8.31 a 494.61±8.94 a 470.51±9.70 a 457.21±14.13 a DTB 223.61±10.58 a 401.89±7.75 b 469.62±6.79 b 435.56±6.44 b 415.63±12.45 a CK 163.21±9.67 b 350.34±11.42 c 412.43±12.65 c 382.37±8.78 c 363.14±14.45 b