Acourse of action to restore growth in the stunned plants what should be done?

Add some sugar – Believe or not, studies have shown that a weak sugar and water solution made with plain sugar from the grocery store given to a plant after transplanting can help recovery time for transplant shock in plants. It can also be used as a transplant shock preventer if applied at the time of transplanting. It only helps with some plants but, as this will not harm the plant, it is worth a try. Trim back the plant – Trimming back the plant allows the plant to focus on regrowing its roots. In perennials, trim back about one-third of the plant. In annuals, if the plant is a bush type, trim back one-third of the plant. If it is a plant with a main stem, cut off half of each leaf. Keep roots moist – Keep the soil well watered, but make sure that the plant has good drainage and is not in standing water.

Wait patiently – Sometimes a plant just needs a few days to recover from transplant shock. Give it some time and care for it as you normally would and it may come back on its own. Now that you know a little more about how to avoid transplant shock and how to hopefully cure plant transplant shock, you know with a little plant preparation, preventing shock should be an easier task.

Read more at Gardening Know How: Learn How To Avoid And Repair Transplant Shock In Plants https://www.gardeningknowhow.com/plant-problems/environmental/learn-how-to-avoid-and-repair-transplant-shock-in-plants.htm

The 3 steps are vasoconstriction, temporary blockage of a platelet plug, formation of a fibrin clot better known as coagulation.