World Journal of
Pharmaceutical and Life Sciences

ECOPHYSIOLOGY BASED ON ITS ROLE (STUDY OF ECOPHYSIOLOGICAL CHARACTERISTICS ON THREE SPECIES OF WEED UNDER SHADE)

Fiqi Alfisar Lubis, Yenni Asbur*, Yayuk Purwaningrum, Murni Sari Rahayu and Nurhayati

ABSTRACT

The nature of tree ecophysiology is "autecology", which is "studying the ecology of a tree species or the influence of environmental factors on the life and growth of one or more tree species" and / or its role is to analyze and explain growth involving physiological processes that are influenced by environmental factors. The objectives of ecophysiological research cover a range from the tissue level to the individual species. Plant Ecophysiology is the science of the physiological response of plants to the environment. Physiology is the science that describes the physiological mechanisms that underlie ecological observations. Stress is a biotic and abiotic environmental factor that can reduce the rate of physiological processes. Plants compensate for the deleterious effects of stresses through various mechanisms operating over different time scales, depending on the nature of the stress and the physiological processes affected. Research on growth is partly the effect of acclimation by individuals and genetic differences between populations. Ten types of plants studied, each of which has a distinctive leaf anatomical structure. Some types have structures that are not shared by other types, including the sclerenchyma sheath, secretory channels and cells and oxalate crystals.

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