The field research was conducted to evaluate the performance of quality parameters of two Isabgol cultivars for commercial production in northern dry zone of Karnataka during two years 2015-16 and 2016-17. The experiment was laid out in split plot design (SPD) with sixteen INM treatment combinations at the College of Horticulture, Bagalkot. Among the varieties the analysis on pooled data exhibited higher value in Vallabh Isabgol-1 Seed yield (12.30 q ha-1),husk yield (3.62q ha-1), harvest index (18.11%), test weight (2.57g), swelling factor (16.08 ccg-1), ash content (2.43), moisture content (8.15 %) and carbohydrate (5.65%) as campared to Gujarat Isabgol-2. The higher value with INM treatments with respect to plant quality parameters Viz. were recorded, N11-75 % RD of FYM (7.5 t ha-1) + 75% RD of NPK (37.5:18.75:22.50 kg ha-1) +Azospirillum (5kg ha-1) + PSB (3kg ha-1) + ZnSO4 (15kg ha-1) + FeSO4 (7.5 kg ha-1) exhibited higher seed yield (15.34 q ha-1), husk yield (5.38 q ha-1), harvest index (22.13%), test weight (2.57g), swelling factor (17.99 cc g-1), ash content (2.83 %), and carbohydrate (6.69%), further minimum moisture (7.73 %) which was on par with N16, N6, N4.Interaction effect higher quality parameters recorded in seed yield Vallabh Isabgol-1 N11, 75 % RD of FYM + 75% RD of NPK +Azospirillum + PSB + ZnSO4 + FeSO4. exhibited seed yield (15.50 q ha-1), husk yield (5.45 q ha-1), harvest index (22.34 %), test weight (2.75g), swelling factor (18.23 cc g-1), ash content (2.81%), moisture content (7.87%) and carbohydrate (6.95 %) which were all these parameters on par with V1N16, V1N4 and V1N6 and lower values quality parameters observed inV2N13.
The field research was conducted to evaluate the performance of yield attributes of two Isabgol cultivars for commercial production in northern dry zone of Karnataka during two years 2015-16 and 2016-17. The experiment was laid out in split plot design (SPD) with sixteen INM treatment combinations at the College of Horticulture, Bagalkot. analysis with pooled data exhibited higher value was recorded in Vallabh Isabgol-1in growth parameters viz., early number of days taken for 50% seed flowering (62.00), number of spikes per plant (38.87), number of spikelets per spike (84.84), spike length (3.58cm), seed yield of (12.39 q ha-1) as compared to Gujarat Isabgol-2 (11.08 kg ha-1). Whereas the higher values with INM treatments with respect to plant yield attributes were observed in Viz. N11-75 % RD of FYM (7.5 t ha-1) + 75% RD of NPK (37.5:18.75:22.50 kg ha-1) +Azospirillum (5kg ha-1) + PSB (3kg ha-1) + ZnSO4 (15 kg ha-1) + FeSO4 (7.5 kg ha-1) viz early number of days taken for 50% seed flowering(56.35), number of spikes per plant (38.87), number of spikelet’s per spike (84.84), spike length (3.58 cm), seed yield of (15.43 q ha-1).Higher values for interaction effect on growth parameters were recorded in V1N11.viz.,early number of days taken for 50% seed flowering (55.57), number of spikes per plant (48.20), number of spikelets per spike (104.62), spike length (4.31 cm), seed yield (15.59 q ha-1).
Coleus (Coleus forskohlii Briq.) belonging to the family Lamiaceae is an Indian medicinal herb (Valdes et al., 1987). It is the most important species of genus Coleus popularly known as ‘garmar’ in Maharastra and ‘makandiberu’ in Karnataka. It is cultivated to a limited extent in Maharastra, Tamil Nadu, Gujarat and Karnataka, for the tuberous roots which are pickled and eaten (Anonymous, 1950), this is also used for the medicinal purposes mentioned in the Hindu and Ayurvedic schools of medicines (Ammon and Muller, 1985). C. forskohlii is the only known source of forskolin (De Souza and Shah, 1988). Though almost all parts of the plant are found to have traces of forskolin, the roots are the main source, containing 0.1 to 0.5 per cent and are commercially preferred for its extraction (Valdes et al., 1987). The tuber attachment region contains maximum (1.3 times higher) forskolin (Yanagihara, 1995). The forskolin is used in the treatment of congestive cardiomyopathy, hypertension and glaucoma (Seamon, 1984). Being the only source of the forskolin to this species, the indiscriminate collection of C. forskohlii from the wild has made the species vulnerable and it has been included in the list of endangered species (Vishwakarma et al., 1988). To protect these herbal medicinal plants in their habitat, systematic agro techniques need to be developed for such economically important medicinal crops. The cultural practices have not so far been standardized for commercial cultivation of C. forskohlii. Abstract : Coleus (Coleus forskohlii Briq.) belonging to the family Lamiaceae is an Indian medicinal plant grown for its tuberous roots. It is used against hypertension, glaucoma and congestive cardiomyopathy. It needs to be cultivated in large scale. A field experiment was conducted on sandy loam soil under irrigated conditions at the Kittur Rani Channamma College of Horticulture, Arabhavi, Karnataka, India, to study the effect of organic and inorganic fertilizers on growth and yield of coleus. The results of the experiment revealed that application of 75 Per cent RDF (Recommended dose of fertilizer) + 10 t FYM + vermicompost 5 t per hectare produced increased plant height (66.49cm), number of branches per plant (85.95), leaf area index (7.49) at harvest, absolute growth rate (3.394g/plant/day), crop growth rate (0.943g/m/day) and relative growth rate (0.0460g/g/week) were recorded at 120-160 days after planting. The maximum fresh tuber yield 225.47 and 250.52 g/plant and q/ha, respectively and dry tuber yield 29.53 and 32.81 g/plant and q/ha, respectively.
The field research was conducted to evaluate the performance of growth parameters of two Isabgol varieties for commercial production in northern dry zone of Karnataka during two years 2015-16 and 2016-17. The experiment was laid out in split plot design (SPD) with sixteen INM treatment combinations at the College of Horticulture, Bagalkot. Among the two Isabgol varieties grown in northern dry zone of Karnataka, analysis of both years with pooled data exhibited higher value was recorded in Vallabh Isabgol-1in growth parameters viz., 50% early seed germination (5.38), plant height (36.85cm), number of leaves per plant (46.24), number of tillers per plant (10.40), leaf area index per plant (33.18 cm2) and seed yield (12.30 q ha-1) as compared to Gujarat Isabgol-2 (11.05 kg ha-1). Whereas the higher values with INM treatments with respect to plant growth parameters were observed in Viz. N11-75 % RD of FYM (7.5 t ha-1) + 75% RD of NPK (37.5:18.75:22.50 kg ha-1) +Azospirillum (5kg ha-1) + PSB (3kg ha-1) + ZnSO4 (15 kg ha-1) + FeSO4 (7.5 kg ha-1) viz., higher plant height (36.85), number of tillers per plant (13.94).less number of days taken for 50% seed germination (4.43%), higher values for interaction effect on growth parameters were recorded in V1N11.viz., higher plant height (37.39), number of tillers per plant (10.40), leaf area index (2.74), seed yield (12.30 q ha-1).
The field research was conducted to evaluate the performance of yield parameters of two Isabgol cultivars for commercial production in northern dry zone of Karnataka during two years 2015-16 and 2016-17. The experiment was laid out in split plot design (SPD) with sixteen INM treatment combinations at the College of Horticulture, Bagalkot. Analysis of both years with pooled data exhibited higher value was recorded in Vallabh Isabgol-1in growth parameters viz., number of seeds per spike (60.33), seed yield per plot (442.23 g plot-1), seed yield (12.30 q ha-1), husk yield (3.62 q ha-1), straw yield (23.93q ha-1), harvest index (23.93 %), test weight (2.25 g) as compared to Gujarat Isabgol-2. Whereas the higher values with INM treatments with respect to plant growth parameters were observed in Viz. N11-75 % RD of FYM (7.5 t ha-1) + 75% RD of NPK (37.5:18.75:22.50 kg ha-1) +Azospirillum (5kg ha-1) + PSB (3kg ha-1) + ZnSO4 (15 kg ha-1) + FeSO4 (7.5 kg ha-1) viz., and number of seeds per spike (71.79), seed yield per plot (555.66g), seed yield (15.43 q ha-1), husk yield (5.38q ha-1), straw yield (28.83 q ha-1), harvest index (22.13) and test weight (2.57g). Higher values for interaction effect on growth parameters were recorded in V1N11.viz, number of seeds per spike (72.50), seed yield per plot (557.97 g), seed yield (15.50 q ha-1), husk yield (5.45q ha-1) straw yield (29.30 q ha-1), harvest index (22.34) and test weight (2.75 g).
Investigations on the biology of Galleria mellonella revealed that the incubation period was 8.80± 0.48 days. The seven successive larval instars occupied 4.50±0.49, 5.30±0.50, 6.60±0.68, 7.30±0.50, 8.30±0.45, 8.50±0.67 and 9.30±0.40 days. The total larval duration was 50.3±3.40 days. The duration of prepupa and pupa were 2.20 ± 0.53 and 8.65 ±0.73 days respectively. The adult males lived for 16.50 ±2.70 days, while female lived shorter only 6.88 ±0.73 days. Pre oviposition, Oviposition, Post-oviposition periods for females were 1.10±0.30, 4.70±0.66 and 1.22±0.40 days, respectively. Females laid an average of 760.9±168.88 eggs / female with 161.80±45.87 eggs/female/day
The field experiment was conducted to evaluate the performance of growth physiological parameters of Isabgol varieties with integrated nutrient management under northern dry zone of Karnataka during two years 2015-16 and 2016-17. The experiment was laid out in split plot design (SPD) with the two Isabgol varieties and sixteen INM sub treatment combinations at the College of Horticulture, Bagalkot. grown in northern dry zone of Karnataka, analysis did with pooled data exhibited higher value was recorded in Vallabh Isabgol-1in growth parameters viz., LAI (2.74), dry matter production (8.72q ha-1), CGR(0.1103 gm-2day-1), RGR(0.0780g g-1day-1), seed yield (12.30 q ha-1) as compared to Gujarat Isabgol-2 (11.05 kg ha-1). Whereas the higher INM treatments values recorded with respect to plant growth parameters were observed in Viz. N11-75 % RD of FYM (7.5 t ha-1) + 75% RD of NPK (37.5:18.75:22.50 kg ha-1) +Azospirillum (5kg ha-1) + PSB (3kg ha-1) + ZnSO4 (15 kg ha-1) + FeSO4 (7.5 kg ha-1) viz., higher values for interaction effect on growth physiological parameters were recorded in V1 N11.viz., leaf area Index (3.43), dry matter (9.26 q ha-1), CGR (0.1103g m-2 day-1), RGR (0.0780 g g-1 day-1), seed yield (15.43 q ha-1).
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