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393 results on '"Sureshkumar, R."'

101. GRAPHICAL ANALYSIS OF FRUIT YIELD AND ITS COMPONENT CHARACTERS IN SNAKE GOURD (TRICHOSANTHES ANGUINA L.).

Author

Rajkumar, M., Karuppaiah, P., Sureshkumar, R., Sendhilnathan, R., and Kumar, N. Senthil

Subjects
FRUIT yield, TRICHOSANTHES anguina, FRUIT weights & measures, GENOTYPES, PLANT diversity
Abstract

A full diallel cross of 6 × 6 snake gourd pure lines were analyzed, adopting graphical approach. The regression line of Vr, Wr graph intersected the Wr axis well above the origin for the traits fruit length, fruit girth, flesh thickness, single fruit weight and number of seeds per fruit. This indicated the presence of partial dominance in the inheritance of these traits. For the traits viz., number of fruits and fruit yield per plant, the regression line of VrWr graph intersected the Wr axis below the origin. This indicated the existence of over dominance in the inheritance of these traits. The relative value Vr and Wr showed that the high yielding genotypes viz., P4- Michaelpalayam local (Dindigul district, Tamil Nadu) and P1- Hessaraghatta local (Bangalore, Karnataka) had most dominant genes for fruit yield per plant. The other high yielding genotypes P2- Ottanchathiram local (Dindigul district, Tamil Nadu) had most recessive genes for fruit yield per plant. The proximity of the points in Vr, Wr graph revealed sufficient amount of genetic diversity among the parents used in the study. [ABSTRACT FROM AUTHOR]

Published
2019

102. Intralesional application of autologous bone marrow stem cells with scaffold in canine for spinal cord injury

Author

Justin William B, Ayyappan S, Capt. Dhana Jaya Rao G, Pushkinraj H, Kannan TA, Sureshkumar R, Manjunath S, Murugan P, Srinivasan V, and Abraham S

Subjects
lcsh:R5-920, lcsh:R, lcsh:Medicine, lcsh:Medicine (General), Proceedings of Annual Symposium on Regenerative Medicine
Abstract

A three year old male non-descriptive companion dog was presented to the Small Animal Orthopedic Unit of Madras Veterinary College Teaching Hospital (MVC) with paraplegia of fourth degree neurological deficit of hind limbs due to automobile trauma. Radiographic views were suggestive of dislocation at T8-T9 vertebral segment with fracture of L2 vertebra. Myelography confirmed the signs of abrupt stoppage of the contrast column cranial to dislocated area and was interpretive of transected spinal cord at L2 level. Construct was prepared with bone marrow mononuclear cells (BMMNC) isolated from bone marrow aspirate of femur and the cells were seeded in Thermoreversible Gelatin Polymer (TGP) at the cell processing facility of Nichi-In Centre for Regenerative Medicine (NCRM) as per GMP protocols and was engrafted after hemilaminectomy and durotomy procedures in the MVC. Postoperatively the animal was clinically stable; however the animal died on the 7th day. Autopsy revealed co-morbid conditions like cystitis, nephritis and transmissible venereal tumor. Histopathology of the engrafted area revealed sustainability of aggregated stem cells that were transplanted revealing an ideal biocompatibility of the construct prepared with bone marrow mononuclear cells and polymer hydrogel for spinal cord regeneration in dogs. Further studies in similar cases will have to be undertaken to prove the long term efficacy.

Published
2014

103. Study of luminescence and effect of Dy3+ on NaMgSO4 Cl:Ce chlorosulphate phosphor

Author

Sureshkumar R, Choubey, Sharadkumar C, Gedam, and Sanjay J, Dhoble

Subjects
Luminescence, Energy Transfer, Coordination Complexes, Gamma Rays, Sulfates, Luminescent Measurements, Dysprosium, Cerium
Abstract

Chlorosulphate NaMgSO4 Cl phosphor doped with Ce(3+) and co-doped by Dy(3+) prepared by the wet chemical method was studied for its photoluminescence and thermoluminescence (TL) characteristics. The emission spectrum of Ce(3+) shows dominant peaks at 346 nm (excitation 270 nm) due to 5d → 4f transition. Efficient energy transfer occurs from Ce(3+) → Dy(3+) ions. Dy(3+) emission at 485 nm and 576 nm is due to (4) F9/2 → (6) H15/2 and (4) F9/2 → (6) H13/2 transitions of Dy(3+) ion respectively. The TL glow curves of NaMgSO4 Cl:Ce and Ce,Dy have been recorded for various concentrations at a heating rate of 2 °C/s irradiated by γ-rays at a dose rate of 0.995 kGy/h for 1 Gy, which peaks at about 241 °C and 247-312 °C respectively. Further, in changing the concentration level, the general structure of the intensity is found to increase. The main property of this phosphor is its sensitivity even for low concentrations of rare earth ions and low γ-ray dose. There is still scope for higher doses of γ-radiation. The phosphor presented may be used as a lamp phosphor as well as for TL studies.

Published
2013

112. Influence of topping and nutrient management practices on growth and seed yield of dhaincha (Sesbania aculeata).

Author

Gopal, M., Durairaj, S. Nalliah, Sureshkumar, R., and Marimuthu, S.

Subjects
SESBANIA, PLANT nutrients, PLANT growth, SEED yield, FERTILIZERS
Abstract

A field study was conducted to evaluate the topping and nutrient management techniques on dhaincha during rabi 2011-12. Experiment was laid out in split-plot design by assigning topping practices (45, 60, 75 DAS and without topping) in main plots and nutrient sources (NPK, NPS, NKS, NPKS and without nutrients) in sub plots. The treatments were replicated thrice. The results revealed that topping on 45 DAS has registered more number of branches (10.2), dry matter production (6934 kg ha-1) at harvest stage. With fertilizer application of NPK and Sulphur significantly recorded the higher number of pods plant-1 (51.30), number of seeds plant-1 (28.90), test grain weight (19.90 g) and seed yield (599 kg ha-1) which was comparable with application of NPK alone. On the basis of economics, application of NPK recorded higher net return and B: C ratio followed by application of NPKS which was comparable with each other when topping was done on 45 DAS. [ABSTRACT FROM AUTHOR]

Published
2016
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