STANDARDIZATION OF NURSERY TECHNIQUES IN Lagerstroemia lanceolata Wall.
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Date
2014-11
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University of Agricultural Sciences Dharwad
Abstract
Lagerstroemia lanceolata belongs to family Lythraceae. It is one of the important species from genus Lagerstroemia. Timber is most economical part of this species. It is a valuable and important timber tree, much in demand and provides one of the best of the woods of western India. The demand for nursery grown seedling of Lagerstroemia lanceolata has increased immensely for planting under agroforestry programme and massive afforestation programme taken up by the government agencies. Poor natural regeneration, low rate of seed germination has lead to scarcity of these species in its natural habitat. Keeping these points in view the present study was carried out at College of Forestry, Sirsi during 2013-2014.
In the present study, twelve pre-sowing treatments tried to improve seed germination, seeds treated with GA3 100 ppm for 12 hour recorded significantly maximum seed germination (17.33 %) and also with respect to mean daily germination, peak value, germination value, germination rate over control. Among different manures and fertilizers, application of PSB (10 g) + Mycorrhizae (10 g) + NPK (1 g each) significantly increased seedling growth attributes viz seedling height, collar diameter, number of leaves and leaf area by 29.58, 28.30, 25.03 and 63.18 per cent respectively over control, also number of lateral roots, length of lateral roots, chlorophyll content, total fresh weight and total dry weight increased by 60.31, 51.69, 52.10, 37.15 and 56.98 per cent due to same treatment at 180 days after planting over control. Hence fertilizers can be used in combination of biofertilizers to get good quality seedlings.
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