喷施生长调节剂缓解甘薯干旱胁迫的机理

王金强,李思平,刘庆,李欢

Mechanism of Spraying Growth Regulators to Alleviate Drought Stress of Sweet Potato

JinQiang WANG,SiPing LI,Qing LIU,Huan LI

表1 干旱胁迫下喷施生长调节剂对甘薯产量的影响（160 d）

Table 1 Effects of spraying growth regulators on yield of sweet potato under drought stress (160 d)

处理 Treatment 产量 Yield (t·hm-2 FW) 单株结薯数 Root number 平均薯重 Root weight (g) CK 33.80±1.21a 3.17±0.05a 213.47±2.49a LD 27.46±0.45d 2.33±0.04e 205.36±1.40e LD+ABA 30.44±0.88bc 2.67±0.05c 211.31±0.89c LD+NAA 29.71±0.50c 2.50±0.03d 208.73±1.04d LD+6-BA 32.10±1.06ab 2.83±0.04b 212.47±1.59b