Growth analysis, plant

Experiments using a matrix of four levels of ferulic acid and four levels of moisture stress demonstrated that the combined action was additive under more stressful levels of the individual factors than in the previous tests. Duke et al. (23) tested the germination of lettuce seeds treated with phenolic acids (1 mM) at water potentials (D-mannitol) of 0, -0.2, -0.4, and -0.6 MPa. The combined action of low water potential and exposure to phenolic acids resulted in an additive detriment to germination, and the authors concluded from probit analysis that the mechanism of action from these sources was similar. Whatever their mechanisms, moisture stress and phenolic acids appear to work together in limiting growth of plants. 

The value placed by the public on access to natural medicines and alternative therapies continues to expand enormously. Plants provide the backbone of this phenomenon and also that of traditional systems of medicine which are essential for so many human beings. The scientific exploration of the many facets of medicinal plants, their growth, analysis, effectiveness and safety is a major endeavour involving different scientific disciplines and experimental techniques and methodologies. New medicines based on plants will be discovered, while the value and risks of old medicines will emerge from this work. 

Hunt, R. (1978) Plant Growth Analysis, Edward Arnold, London. Poorter, H. (1989) Physiol. Plant. 75, 237-244. 

Methods for the growth of plant material and assay of acetyl-CoA carboxylase (ACCase) or propionyl-CoA carboxylase activity are given In [6]. Purification of Isoforms of maize ACCase and kinetic analysis is given in [7] and purification of Poa annua ACCase in [8]. 

Ismail, L, Iskandar, N. F., Chee, G. M., Abdullah, R. Genetic transformation and molecular analysis of polyhydroxybutyrate biosynthetic contents of polyhydroxybutyrate are associated with growth reduction. Plant Cell Rep 2010,21, 891-899. 

Kerckhoffs, L.H.J., Sengers, M.M.T., and Kendrick, R.E., Growth analysis of wild-type and photo-morphogenetic-mutant tomato plants, Physiologia Plantarum, 99, 309, 1997. 

All the kernels are empirical, or semiempirical and must be fitted to plant or laboratory data. The kernel proposed by Adetayo and Ennis is consistent with the granulation regime analysis described above (see section on growth) and is therefore recommended ... 

In the area of performance, the steam turbine power plants have an efficiency of about 35%, as compared to combined cycle power plants, which have an efficiency of about 55%. Newer Gas Turbine technology will make combined cycle efficiencies range between 60-65%. As a rule of thumb a 1% increase in efficiency could mean that 3.3% more capital can be invested. However one must be careful that the increase in efficiency does not lead to a decrease in availability. From 1996-2000 we have seen a growth in efficiency of about 10% and a loss in availability of about 10%. This trend must be turned around since many analysis show that a 1% drop in the availability needs about 2-3% increase in efficiency to offset that loss. 

In hospitals, chemical analysis is widely used to assist in the diagnosis of illness and in monitoring the condition of patients. In farming, the nature and level of fertiliser application is based upon information obtained by analysis of the soil to determine its content of the essential plant nutrients, nitrogen, phosphorus and potassium, and of the trace elements which are necessary for healthy plant growth. 

The very first studies with radiation crosslinked polyethylene oxide (PEO) have shown that SAH is able to substantially reduce the sensitivity of plants to water shortage [7], to promote their growth, particularly, under conditions of water deficiency [8], to improve seedling survival and the final crop [9], These results stimulated a more detailed analysis of the effects of SAH in the water balance of... 

Zweig G, Sherma J. 1972. Thiodan (endosulfan). In Zweig G, Sherma J, eds. Analytical methods for pesticides and plant growth regulators. Vol. VI. Gas chromatographic analysis. New York, NY Academic Press, 511-513. 

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