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Managing Phenol Contents in Crop Plants by Phytochemical Farming and Breeding—Visions and Constraints

2010; Multidisciplinary Digital Publishing Institute; Volume: 11; Issue: 3 Linguagem: Inglês

10.3390/ijms11030807

1661-6596

D. Treutter,

Plant biochemistry and biosynthesis

Two main fields of interest form the background of actual demand for optimized levels of phenolic compounds in crop plants. These are human health and plant resistance to pathogens and to biotic and abiotic stress factors. A survey of agricultural technologies influencing the biosynthesis and accumulation of phenolic compounds in crop plants is presented, including observations on the effects of light, temperature, mineral nutrition, water management, grafting, elevated atmospheric CO2, growth and differentiation of the plant and application of elicitors, stimulating agents and plant activators. The underlying mechanisms are discussed with respect to carbohydrate availability, trade-offs to competing demands as well as to regulatory elements. Outlines are given for genetic engineering and plant breeding. Constraints and possible physiological feedbacks are considered for successful and sustainable application of agricultural techniques with respect to management of plant phenol profiles and concentrations.