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High Frequency Plantlet Regeneration from Nodal Segment Culture of Female Momordica dioica (Roxb.)
Shekhawat, Mahipal S.,Shekhawat, Narpat S.,Harish, Harish,Ram, Kheta,Phulwaria, Mahendra,Gupta, Amit Kumar 한국작물학회 2011 Journal of crop science and biotechnology Vol.14 No.2
An in vitro propagation method for female plants of Momordica dioica (Roxb.) has been established. The nodal segments were harvested and the cut ends of the explants were sealed with wax and then surface sterilized and cultured. Bud breaking occurred on Murashige and Skoog's (MS) agar-gelled medium + 2.0 mg $L^{-1}$ 6-Benzylaminopurine (BAP) + 0.1 mg $L^{-1}$ Indole-3 acetic acid (IAA). The cultures were amplified by passages on MS medium supplemented with 1.0 mg $L^{-1}$ BAP + 0.1 mg $L^{-1}$ IAA. Further, shoot amplification (29.2 shoots per vessel) was achieved by subculturing of in vitro regenerated shoot clump on MS medium + 0.5 mg $L^{-1}$ BAP + 0.1 mg $L^{-1}$ IAA. The micropropagated shoots were subsequently transferred for root formation on half-strength MS medium + 2.0 mg $L^{-1}$ Indole-3 butyric acid (IBA) with 89% success rate. The in vitro-regenerated shoots were also rooted ex vitro with 34% success. These plantlets were hardened in the greenhouse and transferred to the field. The established protocol is suitable for true to type cloning of mature female plant of M. dioica.
High Frequency Plantlet Regeneration from Nodal Segment Culture of Female Momordica dioica (Roxb.)
Mahipal S. Shekhawat,Narpat S. Shekhawat,Harish,Kheta Ram,Mahendra Phulwaria,Amit Kumar Gupta 한국작물학회 2011 Journal of crop science and biotechnology Vol.14 No.2
An in vitro propagation method for female plants of Momordica dioica (Roxb.) has been established. The nodal segments were harvested and the cut ends of the explants were sealed with wax and then surface sterilized and cultured. Bud breaking occurred on Murashige and Skoog's (MS) agar-gelled medium + 2.0 mg L^(-1) 6-Benzylaminopurine (BAP) + 0.1 mg L^(-1) Indole-3 acetic acid (IAA). The cultures were amplified by passages on MS medium supplemented with 1.0 mg L^(-1) BAP + 0.1 mg L^(-1) IAA. Further, shoot amplification (29.2 shoots per vessel) was achieved by subculturing of in vitro regenerated shoot clump on MS medium + 0.5 mg L^(-1) BAP + 0.1 mg L^(-1) IAA. The micropropagated shoots were subsequently transferred for root formation on half-strength MS medium + 2.0mg L^(-1) Indole-3 butyric acid (IBA) with 89% success rate. The in vitro-regenerated shoots were also rooted ex vitro with 34% success. These plantlets were hardened in the greenhouse and transferred to the field. The established protocol is suitable for true to type cloning of mature female plant of M. dioica.
ON A NEW CLASS OF SERIES IDENTITIES
SHEKHAWAT, NIDHI,CHOI, JUNESANG,RATHIE, ARJUN K.,PRAKASH, OM The Honam Mathematical Society 2015 호남수학학술지 Vol.37 No.3
We aim at giving explicit expressions of $${\sum_{m,n=0}^{{\infty}}}{\frac{{\Delta}_{m+n}(-1)^nx^{m+n}}{({\rho})_m({\rho}+i)_nm!n!}$$, where i = 0, ${\pm}1$, ${\ldots}$, ${\pm}9$ and $\{{\Delta}_n\}$ is a bounded sequence of complex numbers. The main result is derived with the help of the generalized Kummer's summation theorem for the series $_2F_1$ obtained earlier by Choi. Further some special cases of the main result considered here are shown to include the results obtained earlier by Kim and Rathie and the identity due to Bailey.
A computer-generated plus-shaped arrangement and its architectural applications
Krishnendra Shekhawat 한국CDE학회 2017 Journal of computational design and engineering Vol.4 No.4
This work consider the problem of rectilinear arrangement which is about arranging given rectangular objects of different sizes in the frame of a given rectilinear polygon while considering dimension and position of each rectangle and adjacency relations among the rectangles. The current work is part of a larger work aimed at automated generation of rectilinear arrangements while satisfying given dimensional and topological constraints. In this paper, we present a set of algorithms for obtaining a plus-shaped arrangement. In addition, we present some heuristic techniques for reducing the size of extra spaces present inside the obtained arrangement. At the end, we demonstrate architectural application of the presented work.
ON A NEW CLASS OF SERIES IDENTITIES
( Nidhi Shekhawat ),( Junesang Choi ),( Arjun K. Rathie ),( Om Prakash ) 호남수학회 2015 호남수학학술지 Vol.37 No.3
We aim at giving explicit expressions of sum _{m,n=0} ^{INF } {△ _{m+n(-1) ^{n} x ^{m+n}}} over {(p) _{m} (p+i) _{n} m!n! ^{,}} where i = 0; §1; : : : ; §9 and f¢ng is a bounded sequence of com- plex numbers. The main result is derived with the help of the gen- eralized Kummer``s summation theorem for the series 2F1 obtained earlier by Choi. Further some special cases of the main result con- sidered here are shown to include the results obtained earlier by Kim and Rathie and the identity due to Bailey.
Do International Clearing Unions enhance trade? An empirical evaluation of the Asian Clearing Union
Vijay Singh Shekhawat,카트리아비니쉬 한양대학교 경제연구소 2019 JOURNAL OF ECONOMIC RESEARCH Vol.24 No.3
The Asian Clearing Union (ACU) is expected to enhance internationaltrade of its member countries without the need for them to holdexcessive international reserves, either as assurance or for externaltrade settlements. This study investigates the effect of ACU (havingnine members) on external trade using bilateral trade data of 963country pairs over a thirty three year period from 1980 to 2013. Accommodating the selection bias caused by zero trade observations,the results of various estimations including Heckman two-step andpseudo poisson maximum likelihood suggests that median tradegrowth within ACU is lower than their trade growth of the ACUmembers with non-members within a range of 45 to 68 percent. Results of the study can be generalized to indicate that a clearingsystem has the potential to obstruct trade in the absence of alternativechannels for settlements.
M., Manokari,Shekhawat, Mahipal S. Institute of Forest Science 2018 Journal of Forest Science Vol.34 No.5
An efficient and reproducible protocol for in vitro germination of seeds of Couroupita guianensis has been developed in the present study. Couroupita guianensis is a medicinally important tree and categorized as threatened plant species by the IUCN. The seeds were surface sterilized using 0.1% $HgCl_2$ and inoculated on MS (Murashige and Skoog) and Woody Plants (Llyod and McCown) medium. The seeds with partially removed seed coat responded better (100%) on half strength MS medium as compared to the full (51%), one-fourth strength MS (79%) and the WP medium. Half strength MS medium conjunct with $2.0mg{\cdot}L^{-1}$ indole-3 butyric acid (IBA) was found best among the different types of auxins and cytokinins tested for seed germination, as all the seeds germinated on this medium combination. The seedlings were successfully hardened in the greenhouse and restored in the field with 83% survival rate. The protocol can be used as conservation measure for large scale multiplication of this threatened forest tree species.
Fredholm Type Integral Equations and Certain Polynomials
Chaurasia, V.B.L.,Shekhawat, Ashok Singh Department of Mathematics 2005 Kyungpook mathematical journal Vol.45 No.4
This paper deals with some useful methods of solving the one-dimensional integral equation of Fredholm type. Application of the reduction techniques with a view to inverting a class of integral equation with Lauricella function in the kernel, Riemann-Liouville fractional integral operators as well as Weyl operators have been made to reduce to this class to generalized Stieltjes transform and inversion of which yields solution of the integral equation. Use of Mellin transform technique has also been made to solve the Fredholm integral equation pertaining to certain polynomials and H-functions.
Fractional Derivative Associated with the Multivariable Polynomials
Chaurasia, Vinod Bihari Lal,Shekhawat, Ashok Singh Department of Mathematics 2007 Kyungpook mathematical journal Vol.47 No.4
The aim of this paper is to derive a fractional derivative of the multivariable H-function of Srivastava and Panda [7], associated with a general class of multivariable polynomials of Srivastava [4] and the generalized Lauricella functions of Srivastava and Daoust [9]. Certain special cases have also been discussed. The results derived here are of a very general nature and hence encompass several cases of interest hitherto scattered in the literature.
In vitro Multiplication of Haloxylon recurvum (Moq.) - a Plant for Saline Soil Reclamation
Dagla Harchand R.,Shekhawat N.S. The Korean Society of Plant Biotechnology 2005 Plant molecular biology and biotechnology research Vol.7 No.3
Haloxylon recurvum (Locally known as Khar) is drought and salt tolerant plant of Thar Desert. This plant is a major biomass producer and has economic and ecological importance for the region. There is need for study on biology, propagation and genetic improvement for utilization of this plant for reclamation of saline soils. We report here on in vitro propagation of Haloxylon recurvum (Moq.) using nodal explant. Secretion of phenolic compound from explants was a major constraint for establishment of culture. This was checked by thorough washing and quick transfer of explant on fresh culture medium. Juvenile nodal explant with leaves was found suitable for culture establishment. Benzy-ladenine($4.0\;{\mu}M$) incorporated in Murashige and Skoog (MS) medium with additives (50 mg/L ascorbic acid and 25 mg/L each of adenine sulphate, arginine and citric acid) induced multiple shoots from nodal explant. Addition of $1.0\;{\mu}M$ naphthalene acetic acid (NAA) in combination with $4.0\;{\mu}M$ BAP improved the growth of axillary shoots. Further shoot amplification was achieved by repeated subculture of mother explants on fresh medium. Forty percent of the micropropagated shoots rooted on half-strength MS medium with $4.0\;{\mu}M$ indolebutyric acid (IBA) and 100 mg/L activated charcoal, at $28{\pm}2^{\circ}C$ and $60\%$ RH. Sixty percent of these plantlets were hardened in green house.