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Lichtenthaler, H.K. () Chlorophylls and Carotenoids Pigments of Photosynthetic Biomembranes. Methods in Enzymology, , H. K. Lichtenthaler, “Chlorophylls and Carotenoids Pigments of Photosynthetic Biomembranes,” Methods in Enzymology, Vol. , , pp. Lichtenthaler, H.K. () Chlorophylls and carotenoids Pigments of photosynthetic biomembranes. Methods in Enzymology.

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Cocao; Photosynthesis; Chlorophyll; Carbohydrates; Sugars.

We measured parameters related to canopy structure carotsnoids. Cacao has a high demand for K to maintain healthy growth and production. Yet, we observed that the range of evergreen physiological activity may be broader than previously recognized.

[34] Chlorophylls and carotenoids: Pigments of photosynthetic biomembranes – Dimensions

Results of photoaynthetic study indicate that although K plays a critical role in cacao tree growth and productivity, cacao may be less sensitive to K deficiency during the seedling stage. Schmidt, Roberta de P. SicherHang LiangLyndel W. Scientific Research An Academic Publisher.

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Grown at Different Irradiances. We quantified leaf-level light chlodophylls and photosynthetic activity of three sympatric broadleaf evergreens Ilex opaca, Kalmia latifolia, and Myrica cerifera in a deciduous forest understory in Charles City County,Virginia,USAin order to understand seasonal intra- and interspecific ranges of broadleaf evergreen physiology.


ZinnertDonald R. Cacao Theobroma cacao L.

Dense shrub thickets may interfere with tree establishment, suppress herbaceous cover, and contribute substantially to total standing crop of leaf biomass.

Significant K effect was also found on carbohydrate metabolites, such as fructose, glucose, myo-inositol, raffinose and starch. Open Journal of EcologyVol. Potential mechanisms for expansion. However, no K effect was observed in other growth and physiological indicators, including biomass of seedling and net photosynthetic rate. Schmidt, Roberta de P. Pigments of photosynthetic biomembranes. Evergreen species, though capable of fixing carbon throughout the year, often exhibit slow growth rates and low physiological activity.

Additionally, leaf temperature enhanced photosynthetic capacity of expansive species. Expansion may occur because evergreen shrubs exploit seasonal variations in irradiance and temperature that are characteristic of temperate understory environments.

Methods in Enzymology,American Journal of Plant SciencesVol. Seasonal patterns of light availability and light use of broadleaf evergreens in a deciduous forest understory: Knowledge of K use in cacao will help the development of suitable crop management practices and will aid breeding varieties adapted to environments with a limited phltosynthetic K supply. In recent years, expansion of native and exotic evergreen shrubs into forest understories has been documented worldwide.


Grown at Different Irradiances. The present results improved our understanding about K and plants interaction in cacao seedlings, which is useful for crop pnotosynthetic and germplasm utilization. Furthermore, our results indicate potential for changes in composition and expansion of the evergreen shrub layer by species that exhibit structural and physiological mechanisms advantageous for future rises in chlorlphylls. ShiflettJulie C.

Pepper plants growth, yield, photosynthetic pigments, and total phenols as affected by foliar application of potassium under different salinity irrigation water.

Genotype difference was also found on all measured carbohydrate and starch metabolites, except maltose and raffinose. Scientific Research An Academic Publisher. ETR varied both seasonally and among species.