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Soorianathasundaram, K.
- Studies on Effect of Plant Growth Regulators and Micronutrients on Growth, Floral Characters and Yield of Tuberose (polianthes Tuberosal.) Cv. ‘PRAJWAL’
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Authors
Affiliations
1 Department of Floriculture and Landscaping, Horticultural College and Research Institute, Tamil Nadu Agricultural University, Coimbatore T.N., IN
2 Department of Fruit Crops, Horticultural College and Research Institute, Tamil Nadu Agricultural University, Coimbatore T.N., IN
1 Department of Floriculture and Landscaping, Horticultural College and Research Institute, Tamil Nadu Agricultural University, Coimbatore T.N., IN
2 Department of Fruit Crops, Horticultural College and Research Institute, Tamil Nadu Agricultural University, Coimbatore T.N., IN
Source
The Asian Journal of Horticulture, Vol 8, No 2 (2013), Pagination: 696-700Abstract
Field experiment was conducted during May 2009 to April 2010 in tuberose cv. Prajwal to study the growth and yield as influenced by plant growth regulators and micronutrients in Factorial Randomized Block Design. The treatment comprised of dipping the bulbs in two growth regulators namely, GA3 @ 200 ppm for 12 h, CCC @ 5000 ppm for 1 h were given at planting and foliar spray of micronutrients namely, H3BO3 0.1 %, ZnSO4 0.5 % and FeSO4 0.2 % were applied either alone or in combinations on 60, 120, 180 and 240 days after sprouting. Observations were recorded on sprouting, growth, flowering and yield parameters. The results revealed that dipping of bulbs in GA3 @ 200 ppm for 12 hours recorded 100 per cent sprouting and early sprouting by 5 days over control (12.75 days). Dipping the bulbs in GA3 @ 200 ppm and foliar spray of all the micronutrients (B, Zn and Fe) recorded highest plant height (49.56 cm) at first spike emergence, total leaf area per clump (2317.20 cm2), spike length (100.59 cm), number of flowers per spike (45.74), improved flower length (7.24 cm), enhanced flower yield per hectare (16.24 t) and highest estimated net income of Rs. 6,44,444 per hectare. The dipping treatments with CCC@ 5000 ppm for 1 h significantly increased the number of leaves at first spike emergence (25.29), diameter of unopened flower bud (3.78 cm) and extended duration of flowering (21.38 days). The increase in yield is resulted by the assimilatory power of growth regulators and contributory role of all the micronutrients involved. Economic analysis also revealed that micronutrient sprays at 60, 120, 180 and 240 days after sprouting could be beneficial when dipping of bulbs in GA3 @ 200 ppm for 12 h and this will be quite profitable to the farmers cultivating in the marginal soils.Keywords
Tuberose, Gibberellic Acid, Cycocel, Boric Acid, Zinc Sulphate, Ferrous Sulphate
- Impact of Alternative Energy Sources on Growth and Yield of Banana cv. GRAND NAINE
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Authors
Affiliations
1 Department of Fruits Crops,Tamil Nadu Agricultural University, Coimbatore (T.N.), IN
1 Department of Fruits Crops,Tamil Nadu Agricultural University, Coimbatore (T.N.), IN
Source
The Asian Journal of Horticulture, Vol 11, No 1 (2016), Pagination: 63-67Abstract
Of late growing awareness on health and environmental issues associated with the intensive use of chemical inputs has led to interest in alternate forms of agriculture in India as well as in the world. An investigation was carried out during 2010-2011, to study the effect of organic manures, organic amendments and green manures in comparison with inorganic fertilizers on growth, development, yield and yield of banana cv. GRAND NAINE. The treatment T10 with the combined application of organic manures, amendments and green manures (Farmyard manure @ 10 kg + Neem cake @ 1.25 kg + Vermicompost @ 5 kg and Wood ash @ 1.75 kg /plant + triple green manuring with sunhemp + Double intercropping of Cowpea + biofertilizers viz., Vesicular Arbuscular Mycorrhizae @ 25 g, Azospirillum @ 50 g, PhosphateSolubilizing Bacteria@ 50 g and Trichoderma harzianum @ 50 g/plant) registered the maximum growth (Pseudostem height and girth - 218 and 69.53 cm, number of leaves - 14.56 and leaf area index - 3.79) and yield (bunch weight - 27.96 kg, finger length and girth - 23.56 and 15.12 cm, finger weight -280.25 g, pulp and peel weight - 194.13 and 65.27 g) characters under drip irrigation.Keywords
Organic Manures, Amendments, Growth, Yield.References
- Abd Ei-Naby, S.K.M. and EI-Sanbaty (2005). Effect of partial replacement of chemical fertilizers by organic manures in banana production and fruit quality. Assiut. J. Agric. Sci., 36(2): 345-357.
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- Delvaux, B. (1999). Banana cropping systems: characterisation, dynamics and modelling in view of improving the management of soil fertility. Introducing paper, Chairman of the Workshop n°4 ‘Production Systems’, Bananas and Food security. Les productions bananieres: un enjeu economique majeur pour la securite alimentaire. Ist International symposium, Douala, Cameroon, 10-14 November 1998: p. 637-645. Invited conference.
- Garhwal, P.C., Yadav, P.K., Sharma, B.D., Singh, R.S. and Ramniw, A.S. (2014). Effect of organic manure and nitrogen on growth, yield and quality of kinnow mandarin in sandy soils of hot arid region. African J. Agric. Res., 9(34):2638-2647.
- Gottreich, M., Bradu, D. and Halovy, Y. (1964). A simple method for determining average banana fruit weight. Ktavim., 14: 161-162.
- Lahav, E. and Turner, D.W. (1983). Banana nutrition. Int. Potash Inst. Bull., No. 7: 33.
- Prabhuram, R. (1992). Effect of organic manures and urea on the growth and development of banana cv. RASTHALI and changes in the soil ecosystem. M.Sc. (Hort.) Thesis, Tamil Nadu Agricultural University, Coimbatore, T.N. (INDIA).
- Sha, K. and Karuppaiah, P. (2010). Integrated nutrient management on growth, yield and quality of chilli cv. K2. Plant Archives, 10 (1): 371-374.
- Singh, H.P. and Chundawat, B.S. (2002). Improved technology of banana. Ministry of Agriculture, Government of India. pp. 1-46.
- Tien, T.M., Gaskens, M.H. and Hubbell, D.H. (1979). Plant growth substances produced by Azospirillum brasilense and their effect on growth of pearl millet (Pennisetum americanum L.). Appl. Environ. Microbiol., 37 : 1016-1024.
- Upadhyay, N.P. (1988). Effect of N, P and K fertilizers on growth, yield and quality of banana (Musa cavindish L.) variety Harichal. Prog. Hort., 20: 257 – 262.
- Vidhya, D., Soorianathasundaram, K., Kumar, K. and Balamohan, T.N. (2007). Effect of inorganic and biofertilizers on yield of banana cv. ROBUSTA (AAA). Paper presented in National Conference on Production and Utilization of Banana for economic livelihood and nutritional security held at Trichy on 25-28 Oct.: 117
- Watson, D.J. (1952). The physiological basis of variation in field. Adv. Agron., 4 : 101-145
- Yadav, P.K. (2006). Effect of integrated nutrient management on growth, yield and quality of papaya (Carica papaya L.) fruit. Ph.D. Thesis, C.S.A. University of Agriculture and Technology, Kanpur (U.P). India
- Grafted Papayas:A Boon for Dioecious Papaya Industry
Abstract Views :318 |
PDF Views:91
Authors
Affiliations
1 School of Agriculture, Lovely Professional University, Phagwara 144 411, IN
2 Horticulture College and Research Institute, Tamil Nadu Agricultural University, Coimbatore 631 003, IN
3 Department of Fruit Crops, Tamil Nadu Agricultural University, Coimbatore 631 003, IN
1 School of Agriculture, Lovely Professional University, Phagwara 144 411, IN
2 Horticulture College and Research Institute, Tamil Nadu Agricultural University, Coimbatore 631 003, IN
3 Department of Fruit Crops, Tamil Nadu Agricultural University, Coimbatore 631 003, IN
Source
Current Science, Vol 111, No 8 (2016), Pagination: 1287-1288Abstract
Papaya (Carica papaya L.), regarded as the 'Wonder fruit of tropics and sub tropics', belongs to the family Caricaceae. The importance of papaya to agriculture and the world's economy is demonstrated by its wide distribution, substantial production in the tropical countries, besides its high nutritive value.Full Text
References
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- Senthilkumar, S., PG dissertation submitted to TNAU, Coimbatore, India, 2011.
- Molecular Diversity Analysis in F3 Intergeneric Population of Papaya (Carica papaya L.)
Abstract Views :212 |
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Authors
Affiliations
1 Central Potato Research Station, Muthorai, Ooty, The Nilgiris, TN, IN
2 Horticultural College and Research Institute for women, Navalur Kuttapattu, Trichy, TN, IN
3 Dept. of Fruit crops, Horticultural College and Research Institute, Tamil Nadu Agricultural University, Coimbatore – 641003, IN
4 Dept. of Oil Seeds, Centre for Plant Breeding and Genetics, TNAU, Coimbatore, TN, IN
1 Central Potato Research Station, Muthorai, Ooty, The Nilgiris, TN, IN
2 Horticultural College and Research Institute for women, Navalur Kuttapattu, Trichy, TN, IN
3 Dept. of Fruit crops, Horticultural College and Research Institute, Tamil Nadu Agricultural University, Coimbatore – 641003, IN
4 Dept. of Oil Seeds, Centre for Plant Breeding and Genetics, TNAU, Coimbatore, TN, IN
Source
Journal of Horticultural Sciences, Vol 9, No 1 (2014), Pagination: 1-4Abstract
Attempts were made to estimate molecular diversity present in F3 populations of intergeneric crosses between Carica papaya L. (Var. Pusa Nanha and CP 50) and Vasconcellea cauliflora. Molecular studies revealed that PCR amplification using five ISSR primers in 40 F3 progenies yielded 53 reproducible amplified bands. Of the 53 bands, 44 were polymorphic (83.02%). Polymorphic Information Content (PIC) value ranged between 0.90 (ISSR 807 x 810) and 0.66 (ISSR 834 x 810). Similarity coefficients based on five ISSR markers ranged from 0.05 to 0.96. Maximum similarity was observed for genotypes 1, 4 and 6 of Pusa Nanha x Vasconcellea cauliflora (0.96). Minimum similarity was observed between genotypes 3 and 14 of CP 50 x Vasconcellea cauliflora (0.04). This higher genetic diversity of papaya progenies stands to contribute to development of new varieties and, using the data, further hybridization and selection can be planned.Keywords
Carica papaya, Vasconcellea cauliflora, Intergeneric Hybridization, Molecular Diversity.Full Text
- Effect of Foliar Spray of Nitrogenous Chemicals on Flowering, Fruit Set and Yield in Mango (Mangifera indica L.) Cv. Alphonso
Abstract Views :213 |
PDF Views:103
Authors
Affiliations
1 Division of Horticulture and Forestry, Central Agricultural Research Institute, Port Blair, A and N Islands, IN
2 Horticultural College and Research Institute for Women, TNAU, Trichy - 620 009, Tamil Nadu, IN
3 Department of Fruit Crops, Horticultural College and Research Institute, Tamil Nadu Agricultural University, Coimbatore, Tamil Nadu, IN
1 Division of Horticulture and Forestry, Central Agricultural Research Institute, Port Blair, A and N Islands, IN
2 Horticultural College and Research Institute for Women, TNAU, Trichy - 620 009, Tamil Nadu, IN
3 Department of Fruit Crops, Horticultural College and Research Institute, Tamil Nadu Agricultural University, Coimbatore, Tamil Nadu, IN
Source
Journal of Horticultural Sciences, Vol 7, No 2 (2012), Pagination: 190-193Abstract
Effect of foliar application of various nitrogenous chemicals on flowering, fruit set and yield of mango cv. Alphonso was studied at the orchard of Horticultural College and Research Institute, Coimbatore, during 2010 - 2011. Maximum number of flowering shoots (68.7%), number of panicles (7.5/m2), panicle length (31.4cm), number of hermaphrodite flowers (282.5/panicle), fruit set (17.0%), number of fruits (146.0/tree) and fruit yield (43.8 kg/tree) was obtained with foliar spray of KNO3 at 2% concentration. Higher content of chlorophyll (1.7g mg-1), carbohydrate (14.5g 100g-1) and nitrogen (1.43%) and higher C/N ratio (10.18) were also recorded in plants sprayed with 2% KNO3, followed by 1% KNO3.Keywords
Mango, Flowering, Fruit Set, Nitrogenous Chemicals.Full Text
- Correlation of Leaf Parameters with Incidence of Papaya Ring Spot Virus in Cultivated Papaya and its Wild Relatives
Abstract Views :165 |
PDF Views:115
Authors
Affiliations
1 ICAR-Indian Institute of Horticultural Research, Bengaluru, IN
2 Horticultural College and Research Institute, Tamil Nadu Agricultural University, Coimbatore, IN
1 ICAR-Indian Institute of Horticultural Research, Bengaluru, IN
2 Horticultural College and Research Institute, Tamil Nadu Agricultural University, Coimbatore, IN
Source
Journal of Horticultural Sciences, Vol 14, No 2 (2019), Pagination: 130-136Abstract
Papaya ring spot virus (PRSV) disease has been the major impediment in papaya cultivation. The disease is transmitted through three aphid vectors and field tolerance towards this disease varies among Carica papaya cultivars as well as within the Vasconcellea genus. Leaf morphological traits are known to have influence on the probing preferences of aphids. Hence, this study was conducted to know whether the leaf parameters could contribute to the incidence of PRSV possibly by influencing the probing or feeding behaviour of aphid vectors. Leaf parameters viz., leaf thickness, leaf epicuticular wax content, presence and type of trichomes, trichome density were correlated with disease incidence at field conditions. The result revealed that leaf thickness along with epicuticular wax content had significant negative correlation with disease incidence. Similarly, trichome density had negative impact on disease incidence at 99.92% significance level. High epicuticular wax content and high trichome density in V. cauliflora and V. cundinamarcensis were found to be negatively associated with low to very low infection indicating that these parameters may have limited the vector transmission significantly.Keywords
Epicuticular Wax Content, Papaya, Trichome Density and Vasconcellea.Full Text
References
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- Kalleshwaraswamy, C.M and Krishnakumar, N.K. 2008. Transmission efficiency of Papaya ringspot virus by three aphid species. Phytopathology, 98(5):541-546.
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