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Singh, V. P.
- Influence of Different Media on Shoot Regulation, Shoot Multiplication and Callus Induction in Long Pepper (Piper longum L.)
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Affiliations
1 College of Horticulture, University of Horticultural Sciences, Bagalkot (Karnataka), IN
1 College of Horticulture, University of Horticultural Sciences, Bagalkot (Karnataka), IN
Source
The Asian Journal of Horticulture, Vol 11, No 1 (2016), Pagination: 52-57Abstract
An experiment on tissue culture studies in long pepper (Piper longum L.) was carried out in the year 1999-2001, to develop suitable protocol for plant multiplication technique at Green Earth Biotechnologies Ltd., Jigani Industrial Area, Bengaluru in collaboration with UAS, GKVK, Bengaluru. The concentration of 0.1 per cent mercuric chloride (HgCl2) for 60 seconds to achieve disinfection of leaf segment explants was found effective, giving maximum survival (10.02 %) and minimum contamination (0.70 %). MS media containing BAP (1.5 mg/lit.) + 2,4-D (1.0 mg/lit.) from leaf explants gave higher (9.72 %) response for calli induction, 1.54 mg amount of callus with green colour and very good score of callus. BAP 3.0 mg/lit. was ideal for the better proliferation and regeneration of shoot (40 %).The Highest number of multiple shoots (2.00), Length of shoot (1.04 cm) and number of leaves per shoot (3.00), was produced using BAP (1.0 mg/lit.) + NAA(0.1 mg/lit.). Best results for shoot were observed with the MS media combination containing BAP at 1.5 mg/lit., Kinetin at 1.0 mg/lit. and IAA at 0.5 mg/lit., gave the maximum number of buds per calli (36.00) and number of shoots (5.20) and length of shoots (1.62 cm). The in vitro ischolar_maining was achieved with the application of NAA at 1.0 mg/l 70 per cent ischolar_maining, number of primary ischolar_mains (2.40) length of primary ischolar_main (2.00) and number of secondary ischolar_mains (2.00).Keywords
Long Pepper, In Vitro, Micropropagation, Tissue Culture, MS Media.
References
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- Effect of Growth Regulation through Spacing and Pruning on Yield and Quality of Tomato Hybrids (Lychopersicon esculentum Mill.) Grown under Control Conditions
Abstract Views :182 |
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Authors
Affiliations
1 College of Horticulture, Bagalkot (Karnataka), IN
1 College of Horticulture, Bagalkot (Karnataka), IN
Source
The Asian Journal of Horticulture, Vol 12, No 1 (2017), Pagination: 28-34Abstract
An experiment was conducted at Indian Institute of Horticultural Sciences, Bangalore to study the effect of growth regulation through spacing and pruning on yield and quality of tomato hybrids (Lychopersicon esculentum Mill.) grown under control conditions. The results of present investigation revealed that tomato variety Sun 7611 (V2) recorded the higher (7.42, 7.90, 4.63 and 1.85) number of flowers per cluster at all the stages of crop growth and differed significantly from Arka Abhijith (V1). Where in pruning methods single stem (P1) gave higher (6.74 and 7.09) number of flowers per cluster at 30 and 60 days after transplanting, which were significantly different from P2 (double stem). Tomato grown on single-stem resulted in higher individual fruit weight (77.04 g) than double stemmed plants. Maximum yield of 2.23 kg/plant and 129.4 tonnes per hectare was recorded in plants having two stemmed plant, and the yield of 1.96 kg per plant and 114.38 tons per hectare was obtained from single-stemmed plants. Plants wider spacing gave the highest fruit weight (79.15 g) followed by medium spacing plants (73.92 g) and the least was recorded in closely spacing plants (69.07 g). Fruit yield per plant was significantly reduced under closer plant spacing (1.8 kg) and increased as spacing were increased.Keywords
Growth Regulation, Spacing, Pruning, Quality, Tomato Hybrids.References
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- Takahashi, H. and Sasaki, S. (1983). Studies on the lateral shoot utilization of tomatoes. II influence of planting density and fruit thinning on fruit enlargement and yield in semi-forced cultivation. Bull. Akita Prefectural College Agric., 9: 35-41.
- Characterization of Scented Geranium Accessions for Odour and Chemical Compositions in Southern Transitional Zone of Karnataka
Abstract Views :433 |
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Authors
Affiliations
1 College of Horticulture, Mysore (Karnataka), IN
2 College of Horticulture, Bagalkot (Karnataka), IN
3 University of Horticultural Sciences, Bagalkot, Dyanagiri (Karnataka), IN
1 College of Horticulture, Mysore (Karnataka), IN
2 College of Horticulture, Bagalkot (Karnataka), IN
3 University of Horticultural Sciences, Bagalkot, Dyanagiri (Karnataka), IN
Source
The Asian Journal of Horticulture, Vol 12, No 2 (2017), Pagination: 234-240Abstract
Scented geranium (Pelargonium spp.: Geraniaceae) is an important, high value aromatic crop of South African origin. Due to high demand and price for the oil, an excellent potential exists for increasing cultivated area in India. An attempt was made to evaluate and characterize the available accessions of scented geranium based on their physico-chemical properties, chemical composition and odour assessment of the oil. There were seven treatments and four replications. All the accessions possessed light yellow coloured oil except PG-10, which possessed light green colour. The oil from PG-10 showed maximum acid value (3.02). The oil from PG-8 recorded the highest ester value (58.737). The oil form KB and CIMAP possessed maximum citronellol and geraniol content while, linalool was found to be maximum in case of PG-11. PG-10 contained maximum isomanthone (8.50%). The oil from PG-1 recorded the highest citronellyl formate content (15.83%). The essential oil was distilled during August from seven accessions upon GC analysis. The concentrations of isomenthone, citronellyl formate and citronellol were maximum in case of PF-10 (7.74, 23.18 and 37.07%, respectively). The major alcohols i.e., citronellol, geraniol, linalool and nerol were maximum in case of the oils of KB, CIMAP, PG-8 and PG-1 during May. Whereas, during August, PG-10 recorded the maximum nerol and cironellol whereas, PG-12 registered the highest concentration of geraniol and linalool. The rosy odour of different accessions is attributed to the presence of higher levels of geraniol, which is evident in the present case with the accession PG-12, during August. Hence, all the accessions differed significantly in all the parameters.Keywords
Geranium, Accessions, Physico-Chemical Properties, Chemical Composition, Odour Assessment.References
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- RAO, B.R.R. (2000). Rose-second geranium (Pelargonium spp.) : indian and international perspective. J. Medicinal & Aromatic Plant Sci., 22 : 302-312.
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- Effect of Different Weed Management Strategies on Weed Dynamics and Yield of Rabi Onion (Allium cepa L.)
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Authors
Affiliations
1 Department of Vegetable Science, C.S. Azad University of Agriculture and Technology, Kalyanpur, Kanpur (U.P.), IN
1 Department of Vegetable Science, C.S. Azad University of Agriculture and Technology, Kalyanpur, Kanpur (U.P.), IN
Source
The Asian Journal of Horticulture, Vol 13, No 1 (2018), Pagination: 18-21Abstract
A field experiment was conducted to compare various weed management strategies in onion atVegetable Research Farm, C.S.A. University of Agriculture and Technology, Kalyanpur, Kanpur during Rabi season in 2016- 2017. The experiment comprised of six treatments of pre-emergence and post-emergence of herbicides, their combination with hand weeding, mechanical or physical weed control and weedy check. The significant results revealed that pre-emergence application of oxyflurofen 23.5 % EC before planting + one hand weeding at 40-60 days after onion seedling transplanting recorded the higher marketable and total bulb yield (22.50 and 25.34 t ha-1, respectively) with maximum weed control efficiency of 87.02%.The same treatment was also recorded higher cost benefit ratio of 1:2.86. However, this treatment was economically viable for control of weeds in case of labour scarcity with better bulb yield, weed control efficiency, benefit cost and keep the weed density lower level in Rabi season grown onion production under central U.P. conditions.Keywords
Weed, Growth, Yield, Onion.References
- Bharathi, S., Rao, A.S. and Surya Kumari, S. (2011). Effect of weed management practices on weed control and yield of onion (Allium cepa L.) in vertisols. J. Res. ANGRAU, 39 (1&2): 10-13.
- Channapagoudr, B.B. and Biradar, N.R. (2007). Physiological studies on weed control efficiency in direct sown onion. Karnataka J. Agric. Sci., 20(2): 375-376.
- Chattopadhyay, N., Mahalanabish, S., Hore, J.K. and Maity, T.K. (2016). Effect of different herbicides on growth and yield of onion (Allium cepa L.). J. Crop & Weed, 12(1):112-115.
- Kumar, Udit (2014). Weed management studies in onion (Allium cepa L.). Asian J. Hort., 9 (2): 426-430.
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- Patel, T.U., Patel, D.D., Thanki, J.D. and Arvadia, M.K.(2013). Evaluation of weed management practices on performance of onion (Allium cepa L.). Res. Crops, 24 (3): 890-896.
- Sankar, V., Thangasamy, A. and Lawande, K.E. (2015). Weed Management studies in onion (Allium cepa L.) cv. N 2-4-1 during Rabi season. Internat. J. Trop. Agric., 33 (2): 627-631
- Tripathy, P., Sahoo, B.B., Patel, D. and Dash, D.K. (2013). Weed management studies in onion. J. Crop & Weed, 9 (2): 210-212.
- Urraiya, P. and Jha, M.K. (2017). Weed management studies in Kharif onion (Allium cepa L.) on yield attributes. J. Pharmacognosy & Phytochem., 6(6): 14-16.