ASSESSMENT OF ROOTING MEDIA FOR ENHANCING SURVIVABILITY AND PROFITABILITY OF AIR LAYERING IN LITCHI
Journal Title: International Journal of Agriculture Sciences - Year 2016, Vol 8, Issue 51
Abstract
Rooting percentage (86.83), survival percentage (91.69), number of primary roots (14.12), length of primary roots (5.43 cm), numbers of secondary roots (40.68) of litchi air layering were found to be maximum under the treatment IBA 5000 ppm + sphagnum moss (T2) and were showed significantly superior over all the treatments [NAA 5000 ppm + sphagnum moss (T1), sphagnum moss (T3) and River bed soil as farmers practice (T4)]. However, days to come leaf after detachment found to be early in T2 (18.50) followed by T1 (21.10), T3 (22.28) and T4 (27.60). All the treatments were significantly superior over farmers practice (T4) in terms of rooting and survival percentage, number of primary and secondary roots, length of primary roots as well as days to come leaf after detachment. Higher economic efficiency (0.045) and sphagnum efficiency index (0.82.37) were found with the treatment IBA 5000 ppm + sphagnum moss (T2) Similar results were found in case of net monetary returns (915.10 Rs/50 layering), B:C ratio (1.98), and net profit per layering(Rs 19.96) .These were significantly superior than rest of the treatments. Thus sphagnum moss along with 5000 ppm IBA should be practiced as rooting media for enhancing survivability and profitability of air layering in litchi (var. Shahi) under agro climatic zone II of Bihar.
Authors and Affiliations
SHIVNATH DAS
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