An analysis of the growth of young tomato plants in water cu lture at different light integrals and CO2 concentrations. II. A mathematical model | Analysis of the growth of young tomato plants in water cu lture at different light integrals and CO2 [carbon dioxide ] concentrations. II. A mathematical model
1974
Thornley, J.H.M. | Hurd, R.G.
The growth analysis data of the preceding paper are examined in terms of a model. The model assumes that plant material can be divided into two categories: structure, and storage; it is further supposed that storage is the substrate for structural growth, and that the rate of structural growth depends on the amount of storage substrate present. The model has three parameters, one of which relates to the source, and the other two characterize the sink. The model gives a reasonable description of the data considered, suggesting that, in the vegetative tomato for a given temperature, the major effect of the treatments was on net assimilation rate; the changes observed in relative growth rate and leaf area ratio were then a result of the altered net assimilation rate. It also suggests that, over the range of environments considered, the relative growth rate cannot be ascribed to source or sink alone, but both are important determinants of growth.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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