STUDIES ON GROWTH, YIELD AND QUALITY OF TULSI (Ocimum sanctum L.) AS INFLUENCED BY ORGANIC MANURES
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Date
2023-12-29
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Abstract
The experiment entitled “Studies on growth, yield and quality of tulsi (Ocimum
sanctum L.) as influenced by organic manures” was conducted in the fields of Main
Agricultural Reaserch Station, at College of Agriculture, Raichur, University of Agricultural
sciences, Raichur. The experiment was conducted in Factorial RCBD design and four
replications. The experiment had ten treatment combinations consisting of two factors i.e.
two tulsi varieties and five different organic manures. Among the various treatment
combinations Rama tulsi with 100 per cent recommended nitrogen applied through
vermicompost recorded higher plant height (86.60 cm), leaf area (7,267 cm2 plant-1), leaf area
index (2.68), plant spread (N-S) (78.85 cm), plant spread (E-W) (79.30 cm),chlorophyll
content (46.52 SPAD values). Fresh weight of flower head per plant (100.75 g), dry weightof
flower head per plant (39.45 g), fresh weight of shoot per plant (465.05 g), dry weight of
shoot per plant (142.01 g), fresh weight of herb per plant (565.70 g), dry weight of herb per
plant(181.46 g), fresh herb yield per plot(19.63 kg), dry herb yield per plot(8.22 kg), fresh
herb yield (14.60 t ha-1), dry herb yield (6.11 t ha-1), oil recovery (0.32 g 100g-1), oil yield
(20.04 kg ha-1), nitrogen uptake (116.13 kg ha-1), phosphorus uptake (31.38 kg ha-1) and
pottasium uptake (127.91 kg ha-1) were also higher in the same treatment. Rama tulsi with
100 per cent recommended nitrogen applied through poultry manure recorded higher number
of branches (24.45), fresh weight of 1000 leaves (82.61 g), available P (35.73 kg ha-1) and
available K (234.87 kg ha-1). Higher nitrogen uptake (175.93 kg ha-1) was observed in Rama
tulsi with 100 per cent recommended nitrogen applied through farmyard manure.