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803 results on '"Ramana, C."'

16. Studies on Optical and Surface Analysis of Pure and Li: l-Threonine Crystals

Author

Rao, Redrothu Hanumantha, Ramana, C. H. V. V., Chaari, Fakher, Series Editor, Gherardini, Francesco, Series Editor, Ivanov, Vitalii, Series Editor, Haddar, Mohamed, Series Editor, Cavas-Martínez, Francisco, Editorial Board Member, di Mare, Francesca, Editorial Board Member, Kwon, Young W., Editorial Board Member, Tolio, Tullio A. M., Editorial Board Member, Trojanowska, Justyna, Editorial Board Member, Schmitt, Robert, Editorial Board Member, Xu, Jinyang, Editorial Board Member, Sahoo, Seshadev, editor, and Yedla, Natraj, editor

Published
2024
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38. Predominance of duplicate epistasis on inheritance of important yield attributing traits in ridge gourd (Luffa acutangula (L.) Roxb.).

Author

Sravani, Y., Rekha, G. Kranthi, Ramana, C. Venkata, Naidu, L. Naram, and Salomi Suneetha, D. R.

Subjects
MOMORDICA charantia, OKRA, GOURDS, HEREDITY, BLOCK designs, HETEROSIS, FLOWERS, POLLINATORS
Abstract

An experiment was conducted on ridge gourd in six generations i.e., P1, P2, F1, F2, BC1 and BC2 of VRG-24 x VRG-13 and Swarna Manjari x Arka Prasan in Randomized Block Design with three replications. The main aim of the study was to investigate the genetic mechanisms controlling yield and quality traits through generation mean analysis. Epistatic gene effects were found to play a crucial role in regulating most of the traits studied, except for days to male flowering, days to female flowering, node of first female flower, average fruit weight, and rind thickness in various crosses. Duplicate epistasis was particularly prominent across the majority of traits, suggesting that these traits could be effectively exploited through heterosis breeding and reciprocal recurrent selection strategies. Additionally, complementary epistasis was observed in the cross VRG-24 x VRG-13 for traits such as node of first female flower, number of female flowers per vine, and number of fruits per vine. This highlights the potential of the VRG-24 x VRG-13 cross to produce desirable transgressive segregants with enhanced trait combinations. [ABSTRACT FROM AUTHOR]

Published
2024
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39. An attachment for monitoring of tractor rear mounted implements.

Author

Arya, K. T., Ramana, C., and Oyelade, O. A.

Subjects
*MUSCLE fatigue, *MYALGIA, *TRACTORS, *HEART beat, *PULSE oximeters, *OXYGEN saturation
Abstract

Tractor operated implements are attached to the tractor at its rear side. Regular monitoring of these working implements working is not easy as envisaged by others who are not tractor operators. The tractor operator needs to adopt uncomfortable posture as well turns his neck backward for monitoring of the working implements which results in muscular pain and fatigue of the tractor operator. As a solution to this issue, a camera based rear mounted implement monitoring system was developed and evaluated. Drudgery reduction which form part of the performance indices was analyzed in terms of heart rate and SpO2 level. The amount of oxygen present in the operator's blood along with heart rate was measured using a pulse oximeter. The amount of SpO2 before and after monitoring the rear mounted implement was measured carefully at every 2 minute interval. While amount of SpO2 after installing rear mounted implement monitoring system was also measured and compared with the values obtained earlier. Test results of the study revealed that there was a significant difference in heart rate as well as SpO2 level measured with and without the camera monitoring system. The tractor operator feels comfortable after installing the system. [ABSTRACT FROM AUTHOR]

Published
2023

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