Main Data :
Seaweeds are large plants growing in the sea, especially various marine algae like the rockweeds kelps, sea lettuee and dulses. Dried or fresh seaweeds and liquid extracts have been increasingly employed by horticulturists gardeners, farmers, and orchadists as a fertilizer. Seaweed extracts are now commercially available as maxicrop, seasol, SM3, kelpak and cytokin. The effect of seaweed extract is due to the microelements and plant growth regulators such as cytokinin present in it. Scaweeds extracts is used as a foliar spray, application to soil and for soaking of seeds before sowing. It enhances the germination of seeds increases, uptake of plant nutrients, and gives resistance to frost and fungal diseases. Seaweed extract is effective for ripening of fruits, increasing shelf-life of the produce, improves the quality of produce, and serves as an excellent soil conditioner.