Statistical Models for Stability Analysis in Watermelon

  • R Venugopalan
  • M Pitchaimuthu
Keywords: Ecovalence Measure, GE Interaction, Stability Models, Watermelon

Abstract

Fourteen promising F1 hybrids of watermelon namely IIHR-188 X IIHR-118, IIHR 114 X IIHR 118 , IIHR 119 X IIHR- 20-1, Arka Manik X IIHR 46, IIHR 43 X IIHR 46, Arka Manik X IIHR-188, Arka Jyothi, NS-295, Kushboo, Madhubala, Apoorva, CWH-7 and Riya were evaluated in experimental plots of Division of Vegetable Crops, Indian Institute of Horticultural Research, Bangalore during 2002-04. Information about biometrical characters such as fruit length (cm), fruit girth (cm), days to first male flower opening&female flower opening, rind thickness(cm) and TSS (%) along with yield (t ha-1), were used to develop stability models to identify stable hybrid(s) for a wide range for cultivation. Stability models thus developed indicated that two hybrids, viz., Arka Jyothi (with yield potential of 75.91 t ha-1) across the years and NS-295 (64.25 t ha-1) were stable for a wide range for cultivation. Statistical measures of stability, viz., regression coefficient, deviation from regression co-efficient and ecovalence measures, were worked out and utilized for grouping of hybrids into different categories based on their cumulative performance over the years.
Published
2019-05-31
How to Cite
Venugopalan, R., & Pitchaimuthu, M. (2019). Statistical Models for Stability Analysis in Watermelon. Journal of Horticultural Sciences, 4(2), 153-157. Retrieved from https://jhs.iihr.res.in/index.php/jhs/article/view/534
Section
Original Research Papers

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