Abstract
<p>The effect of seaweed liquid fertilizer (SLF) of Hypnea musciformis (wulf.) Lamour.was tested at different concentrations (1, 2, 3 and 4 g/ml) on seed germination and biochemical constituents of Vigna radiata L. The extracts promoted seed germination at lower levels of SLF application. The seeds treated with, 2 g/ ml concentration showed maximum seed germination, radicle length, hypocotyl length, seedling length, fresh weight, phytomass, productivity, phytotoxicity, and photosynthetic pigments like Chlorophyll A, B, and total chlorophyll. Moreover, the different extracts of seaweed were subjected to phytochemical screening. All the<br />tested compounds (tannins, alkaloids, saponins, glycosides, and steroids) were present in varied degrees in Hypnea. The result of the present study can help in the identification and selection of raw materials in agriculture and drug industry.</p>
Highlights
The fast growing population is mounting tremendous pressure on food production in the country
The seaweed liquid fertilizer (SLF) obtained from the red seaweed H. musciformis (Wulf.) Lamour. and V. radiata L. elucidated certain interesting findings
It is clear that algal extract of H. musciformis (Wulf.) Lamour. at low concentration promotes the growth and biochemical constituents in
Summary
The fast growing population is mounting tremendous pressure on food production in the country. To meet out this increasing demand, farmers are using chemical fertilizers to enhance their crop production (Kumar and Dinabandhu, 2011). Application of chemical fertilizers certainly compensate the deficiency of nutrients in the soil. Whereas, in excess it affects soil and plants in due course (Sridhar and Rengasamy, 2010). Long-term use of synthetic chemical fertilizers will damage the physiochemical character, microflora and microecology of the soil. Chemical fertilizers are capable of killing off many of the soil organisms that are responsible for decomposition and soil formation. The adverse effect of inorganic fertilizers on soil and environment has led us to examine alternative biofertilizers
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