登入選單
返回Google圖書搜尋
Between- and Within-population Variation in Growth Rhythm and Plant Height in Four Picea Abies Populations
註釋Cones were collected from 21 trees in each of four Swedish. geographically widely distributed populations of Picea ahies (L.) Karst. during the r~chc one crop year 1977. Plant height as well as growth rhythm recorded as bud-Rushing. bud-set, attainment of 50% or 80% growth of the leader. and duration of the growth period were studied in a nursery at Uppsala dur~ngth e years 1979- 1982. The analysis of variance revealed strongly s~gnificant between- and within-population differences with respect to most of the growth rhythm characters studied during 1981 and 1982 when the plants were well established at the test site. The withn-population variation was lower in the northern population than in the others.