Eight provenances and 190 open pollinated families of Eucalyptus urophylla were studied at ages of 1,1.5,2 and 3.5 years.There were significant differences among provenances in volume and among families in height, DBH...Eight provenances and 190 open pollinated families of Eucalyptus urophylla were studied at ages of 1,1.5,2 and 3.5 years.There were significant differences among provenances in volume and among families in height, DBH and volume.The variations of growth characters are moderately inheritable.Based on the results of age to age genotypic and phenotypic correlations,the early selection for E.urophylla can be implemented at the age of 2 years.Superior provenances and families were selected on the basis of performance level.Selection results were also presented in this paper.展开更多
将彩色豆马勃(Pisolithus tinctorius(Pers.)Coker et Couch子实体制成孢子悬浮液菌剂,在6个P水平处理上,接种加勒比松容器苗。育苗及造林试验的结果表明,接种苗木的生长优于未接种的,根径和干重两项指标尤为明显。P肥对容器苗的生长有...将彩色豆马勃(Pisolithus tinctorius(Pers.)Coker et Couch子实体制成孢子悬浮液菌剂,在6个P水平处理上,接种加勒比松容器苗。育苗及造林试验的结果表明,接种苗木的生长优于未接种的,根径和干重两项指标尤为明显。P肥对容器苗的生长有明显作用,适宜的P浓度会促进菌根化苗木的生长。总体来说,在P浓度0.5％～7.0％的范围内,接种彩色豆马勃的处理最为理想。展开更多
文摘Eight provenances and 190 open pollinated families of Eucalyptus urophylla were studied at ages of 1,1.5,2 and 3.5 years.There were significant differences among provenances in volume and among families in height, DBH and volume.The variations of growth characters are moderately inheritable.Based on the results of age to age genotypic and phenotypic correlations,the early selection for E.urophylla can be implemented at the age of 2 years.Superior provenances and families were selected on the basis of performance level.Selection results were also presented in this paper.
文摘将彩色豆马勃(Pisolithus tinctorius(Pers.)Coker et Couch子实体制成孢子悬浮液菌剂,在6个P水平处理上,接种加勒比松容器苗。育苗及造林试验的结果表明,接种苗木的生长优于未接种的,根径和干重两项指标尤为明显。P肥对容器苗的生长有明显作用,适宜的P浓度会促进菌根化苗木的生长。总体来说,在P浓度0.5％～7.0％的范围内,接种彩色豆马勃的处理最为理想。
