藏北野生驯化早熟禾的生产性能和品质评价

魏巍,周娟娟,桑旦,旦增塔庆,崔岩,秦爱琼

Evaluation of Productivity and Quality of Wild Domestication Poa annua L. in Northern Tibet

Wei Wei,Juanjuan Zhou,Dan Sang,Tarchen Tenzin,Yan Cui,Aiqiong Qin

表3 不同生育时期4种材料地上生物量、株高、穗长和根系生物量变化

Table 3 Above-ground biomass, plant height, panicle length and root biomass variation at different growth stages of four materials

编号Number 拔节期Jointing stage 抽穗期Heading stage 乳熟期Milky maturity stage 地上生物量Above-ground biomass (g/m2) CK 15.56±2.27a 26.37±0.44c 67.50±4.33b P-1 15.94±2.21a 27.22±1.37bc 85.46±9.49a P-2 16.49±3.40a 32.36±2.60ab 88.29±5.17a P-3 15.09±1.43a 36.87±4.66a 88.74±6.12a 株高Plant height (cm) CK 6.64±1.43b 11.30±1.69c 25.38±3.86a P-1 8.74±0.92a 13.14±2.92bc 27.40±5.90a P-2 5.58±1.03b 13.34±1.85b 21.50±6.10b P-3 6.11±1.27b 17.58±1.57a 25.31±5.25a 穗长Panicle length (cm) CK - - 4.76±0.23ab P-1 - - 5.29±0.29a P-2 - - 4.12±0.19b P-3 - - 4.26±0.36b 根系生物量Root biomass(g/m2) CK - - 216.93±11.09b P-1 - - 270.04±31.70a P-2 - - 301.65±21.15a P-3 - - 229.20±17.06b