氮磷供应量及比例对灰绿藜种子性状的影响

田大栓

Effects of the supply levels and ratios of nitrogen and phosphorus on seed traits of Chenopodium glaucum

TIAN Da-Shuan

表2 氮磷供应量、比例及其交互作用对种子大小、氮浓度、磷浓度、萌发率和萌发速度的影响

Table 2 Effects of nitrogen (N) and phosphorus (P) supply levels, ratios and their interactions on the size, N concentrations, P concentrations, germination rates and germination speed of seeds

种子性状 Seed trait 氮磷供应水平 N and P supply level 氮磷供应比例 N:P supply ratio 交互作用 Their interaction 自由度 d.f. 2 2 4 种子大小 Seed size 0.74%ns 4.41%* 5.38%ns 氮浓度 N concentration 23.58%*** 2.90%ns 13.77%** 磷浓度 P concentration 23.21%*** 7.07%** 17.45%*** 萌发率 Germination rate 15.13%*** 5.86%** 2.79%ns 萌发速度 Germination speed 0.20%ns 2.00%ns 4.07%ns