Showing papers on "Acer campestre published in 2003"
TL;DR: There is a need to identify post-sowing pre-emergence herbicides that might control emerging weed seedlings without significantly affecting tree seedling germination and growth, although successful direct seeding offers the potential for reductions in total overall herbicide use compared with conventional establishment using transplants.
Abstract: Summary Weed control is essential for successful new woodland creation by direct seeding, particularly in the first year after germination. Currently, herbicides probably offer the most practical way of achieving this in UK conditions, although successful direct seeding offers the potential for reductions in total overall herbicide use compared with conventional establishment using transplants. There is a need to identify post-sowing pre-emergence herbicides that might control emerging weed seedlings without significantly affecting tree seedling germination and growth. Seed of ash (Fraxinus excelsior), cherry (Prunus avium), oak (Quercus robur), sycamore (Acer pseudoplatanus), rowan (Sorbus aucuparia), chestnut (Castanea sativa), beech (Fagus sylvatica), Norway maple (Acer platanoides), field maple (Acer campestre), birch (Betula pendula), hazel (Corylus avellana), dogwood (Cornus sanguinea), hawthorn (Crataegus monogyna) and crab-apple (Malus sylvestris) were sown in pots in glasshouses and treated with post-sowing pre-emergence herbicides including diflufenican, isoxaben, lenacil, metamitron, metazachlor, napropamide, pendimethalin, propyzamide and simazine. Pendimethalin and napropamide, separately or in mixture, appeared to have potential for use on most species tested, in particular ash and sycamore. Applications to emerging seedlings were more damaging. Field trials are required to confirm these initial indications of tolerance.
31 citations
Patent•
3 Mar 2003
TL;DR: In this paper, the kind of trees for use in planting the hedges are as follows together with their corresponding heights: Acer campestre 8 - 12 m Acer cappadocium 10-15m Acer cissiforum 4-6m Acer lobelli 12-18m Acer planatoides 20-25m The trees are all of the maple species.
Abstract: The land area on which building occurs in an energy-economical manner has a systematic network of hedges (10,14,15) dividing it into enclosed plots with windless zones in which buildings (12) can be erected. The hedges are dense from top to bottom and have a maximum spacing from each other related to their height. Connecting paths (11) run through the plots. When the hedges are broken through for the paths, supplementary hedges are planted. Kinds of trees for use in planting the hedges are as follows together with their corresponding heights:- Acer campestre 8 - 12 m Acer cappadocium 10-15m Acer cissiforum 4-6m Acer lobelli 12-18m Acer planatoides 20-25m The trees are all of the maple species.
1 citations