Attributes of Trees as Crop PlantsMelvin G. R. Cannell, John Ellwood Jackson Institute of Terrestrial Ecology, Natural Environment Research Council, 1985 - Всего страниц: 592 Domestication. Perspectives on the evolutionary history of tree crops. The basis of selection, management and evaluation of multipurpose trees - an overview. Forest tree breeding and fruit tree breeding: strategies, achievements and constraints. Strategies for optimizing the yield of tree crops in suboptimal environments. Tree growth at cool temperaturea and prospects for improvement by breeding. The ideotype concept applied to forest trees. Definition and exploitation of forest tree ideotypes in Finland. The capacity for vegetative propagation in trees. The vegetative structure. Biometrical, structural and physiological relationships among tree parts. Dry matter partitioning in tree crops. Forest productivity in relation to carbon partitioning and nutrient cycling: a mathematical model. Prospects for manipulating vascular-cambium productivity and xylem-cell differentiation. Branching, crown structure and the control of timber production. Trees as producers of exudates and extractives. Trees as producers of fuel. Trees as fodder crops. Roots, symbionts and soils. Roots as a component of tree productivity. Improving tree crops using micro-organisms in designed systems. Trees as soil improvers in the humid tropics?. Exploiting tree crop-symbiont specificity. Flowering and fruiting. Promotion of flowering in the crops: different mechanisms and techniques, with special reference to conifers. Variability in flower initiation in forest trees. Reproduction behaviour of fruit tree crops and its implications for the manipulation of fruit set. Some attributes of nut-bearing trees of temperate forest origin. Trees in stands. Future fruit orchard design: economics and biology. Transpiration and assimilation of tree and agricultural crops: the 'omega factor'. The competition process in forest stands. Forest canopy design: biological models and management implications. Future forest design: economic aspects. Wood properties, and future requirements for wood products. |
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... identification of truly wild materials as reference points , and ( b ) comparison of wild with cultivated forms , in respect of diverse morphological , chemical and physiological characters . Only thus can we identify the critical ...
... identification of truly wild materials as reference points , and ( b ) comparison of wild with cultivated forms , in respect of diverse morphological , chemical and physiological characters . Only thus can we identify the critical ...
Стр. 73
... identifying appropriate ideotypes is the mathematical model , which enables one to investigate the consequences of ... identify those charac- ters where greatest yield improvements could be achieved with least effort ( eg Brunig 1976 ...
... identifying appropriate ideotypes is the mathematical model , which enables one to investigate the consequences of ... identify those charac- ters where greatest yield improvements could be achieved with least effort ( eg Brunig 1976 ...
Стр. 78
... identify the appropriate crop ideotypes for specific situations . In particular , it is clear that it is necessary to identify those features of any environment that are most limiting . It is also worth remembering that both breeding ...
... identify the appropriate crop ideotypes for specific situations . In particular , it is clear that it is necessary to identify those features of any environment that are most limiting . It is also worth remembering that both breeding ...
Содержание
Flowering and fruiting | 6 |
N W SIMMONDS | 8 |
strategies achievements and constraints | 36 |
Авторские права | |
Не показаны другие разделы: 30
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abies above-ground agricultural agroforestry Alfisol annual apical apple assimilate auxin biomass branches buds cambial Cannell canopy carbon cells clones competition conifers crown culture cuttings cytokinins decrease density diameter differentiation distribution Douglas-fir dry matter production ecology ectomycorrhizal edited effects environment exudates and extractives factors fertility flowering fodder trees foliage Forest Sci forest trees forestry fruit trees function fungi genetic genotypes gibberellins height hort ideotype improvement increase increment leaf area leaf area index menziesii MPTs mycorrhizal nitrogen nitrogen fixation nutrient nutrition occur oil palm orchards Oxisols partitioning phloem photosynthesis physiological Picea Picea sitchensis pine Pinus radiata Pinus sylvestris plant plantations populations potential Proc propagation pruning ratio relationship root rootstocks Savidge season seed seedlings selection soil stands stem stemwood structure studies temperature tissue tracheids tree crops tree species tropical Ultisol uptake variation vegetative vitro Wareing wood woody xylem yield