Wild resources of Pteroceltis tatarinowii Maxim.were investigated and morphological characteristics of leaves,fruits and seeds were measured in 2005.In Lingyan Temple of Shandong,the trees grow in the temple and along...Wild resources of Pteroceltis tatarinowii Maxim.were investigated and morphological characteristics of leaves,fruits and seeds were measured in 2005.In Lingyan Temple of Shandong,the trees grow in the temple and along the roads.In addition to the two Pteroceltis tatarinowii,the average DBH and height of the other trees were 24.32 cm and 10.05 m respectively.The stands in Miaofeng Mountain distributed only in the valley of Dishuiyan with the average DBH of 16.12 cm and average height of 11.50 cm.Pteroceltis tatarinowii could naturally reproduce in wild habitat and only a few natural reproduced seedlings were found at Lingyan Temple.The results of variance analysis showed that there was significant difference of 9 characteristics among different individual trees of the same source.Except for width of fruit wing,8 morphological characteristics significantly differed among three sources.Significant difference exited in leaf length and leaf width among three sources.Although there was no significant difference in seed and nut features between two different sources in Beijing,those characteristics of Pteroceltis tatarinowii from Beijing source were obviously different with those from Shangdong.The seeds from Shandong were the smallest and lightest.There was distinctness in morphological quality characteristics from different trees.展开更多
The techniques of cutting propagation of Potentilla fruticosa was studied.The tender stem cuttings and the woody stem cuttings were treated by different concentrations of BBA(0 mg·kg-1,10 mg·kg-1,50 mg·...The techniques of cutting propagation of Potentilla fruticosa was studied.The tender stem cuttings and the woody stem cuttings were treated by different concentrations of BBA(0 mg·kg-1,10 mg·kg-1,50 mg·kg-1,100 mg·kg-1,200 mg·kg-1,500 mg·kg-1).The results indicated that the rooting percentage of tender stem cuttings at the concentration of 10 mg ·kg-1BBA was the highest(88.3%),and that of woody stem cuttings treated by the concentration of 50 mg·kg-1BBA was the highest(66.67%).It also indicated that the rooting percentages of the tender stem cuttings were better than those of the woody stem cuttings with same treatment.展开更多
文摘Wild resources of Pteroceltis tatarinowii Maxim.were investigated and morphological characteristics of leaves,fruits and seeds were measured in 2005.In Lingyan Temple of Shandong,the trees grow in the temple and along the roads.In addition to the two Pteroceltis tatarinowii,the average DBH and height of the other trees were 24.32 cm and 10.05 m respectively.The stands in Miaofeng Mountain distributed only in the valley of Dishuiyan with the average DBH of 16.12 cm and average height of 11.50 cm.Pteroceltis tatarinowii could naturally reproduce in wild habitat and only a few natural reproduced seedlings were found at Lingyan Temple.The results of variance analysis showed that there was significant difference of 9 characteristics among different individual trees of the same source.Except for width of fruit wing,8 morphological characteristics significantly differed among three sources.Significant difference exited in leaf length and leaf width among three sources.Although there was no significant difference in seed and nut features between two different sources in Beijing,those characteristics of Pteroceltis tatarinowii from Beijing source were obviously different with those from Shangdong.The seeds from Shandong were the smallest and lightest.There was distinctness in morphological quality characteristics from different trees.
文摘The techniques of cutting propagation of Potentilla fruticosa was studied.The tender stem cuttings and the woody stem cuttings were treated by different concentrations of BBA(0 mg·kg-1,10 mg·kg-1,50 mg·kg-1,100 mg·kg-1,200 mg·kg-1,500 mg·kg-1).The results indicated that the rooting percentage of tender stem cuttings at the concentration of 10 mg ·kg-1BBA was the highest(88.3%),and that of woody stem cuttings treated by the concentration of 50 mg·kg-1BBA was the highest(66.67%).It also indicated that the rooting percentages of the tender stem cuttings were better than those of the woody stem cuttings with same treatment.
