Recent Advances and Future Prospects on Practical Use of Salicylic Acid - Salicylic Acid: Plant Growth and Development - page 369

composition should preferably be inducible specifically by the target pests, or by
field application of specific elicitors based on forecasts of pest attack (Campos
et al. 2008 ).
Salicylic acid is perhaps the only compound on the surface of the earth to
mediate so diverse functions as ranging from curing various human ailments to
protect the plants from various biotic and abiotic stresses and affecting various
physiological and biochemical processes of plants (Popova et al. 2012 ). However,
this recently recognized phytohormone still demands a lot of work to be carried
out to elucidate the exact pathways of its biosynthesis. The work is also needed on
how this plant hormone interacts and being regulated by the cross talk in harmony
with other established phytohormones and plant growth regulators working at long
range (auxins, cytokinins, gibberellins, ethylene etc.), short range (NO, jasmo-
nates, brassinosteroids etc.) and very short range (ROS, H 2 O 2 ).
In future, biochemical and physiological changes in plants by SA may be
explored to use than as biochemical markers, which may further be transformed
into genetic markers and be utilized in genetic engineering of plants for making
them tolerant to various stresses.
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