Effect of Mulching, Shading, Spacing and Cutting Thickness on Propagation of Seabuckthorn (Hippophae rhamnoides L.) by Cuttings
The effect of plastic mulching, coloured shade netting, spacing and cutting thickness on rooting success and growth of Seabuckthorn (Hippophae rhamnoides L.) through hard wood cuttings is addressed. Use of silver black plastic mulching film resulted in 10 per cent higher rooting success and significant plant growth. Suppression of weed emergence by the plastic mulch resulted in 75.8 per cent time saving in manual weeding by farm workers. No significant gender difference in rooting success was observed. Reduction in light intensity by 66 per cent using green shade net resulted in significant reduction in rooting and growth of nursery plants. Three different spacing between cuttings did not show significant difference in rooting and growth related parameters suggesting that cuttings can be planted denser (3"×3") under mulching to get higher number of nursery stock per unit area. Cutting thickness showed significant effect on rooting success. Highest rooting percentage was observed in pencil thickness cuttings (7.5 ± 1.6 mm dia) followed by cuttings with 2.9 ± 0.8 mm and 11.3 ± 1.7 mm basal diameter. The result of the present study could facilitate establishment of a vegetative propagation method wherein faster growth and larger number of cuttings can be propagated with higher rooting success rate.
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