Morpho-biochemical characterization and heterosis studies in interspecific derived F1 hybrids of okra (Abelmoschus esculentus)

S BHARGAV  KIRAN; RAMESH KUMAR  YADAV; SUMAN  LATA; BRIJ BIHARI  SHARMA; BHOOPAL SINGH  TOMAR; AVINASH  TOMER

doi:10.56093/ijas.v94i6.141866

Authors

S BHARGAV KIRAN ICAR-Indian Agricultural Research Institute, New Delhi 110 012, India
RAMESH KUMAR YADAV ICAR-Indian Agricultural Research Institute, New Delhi 110 012, India
SUMAN LATA ICAR-Indian Agricultural Research Institute, New Delhi 110 012, India
BRIJ BIHARI SHARMA ICAR-Indian Agricultural Research Institute, New Delhi 110 012, India
BHOOPAL SINGH TOMAR ICAR-Indian Agricultural Research Institute, New Delhi 110 012, India
AVINASH TOMER ICAR-Indian Agricultural Research Institute, New Delhi 110 012, India

https://doi.org/10.56093/ijas.v94i6.141866

Keywords:

Abelmoschus, Biochemical characterization, Heterosis, Interspecific F1s, Morphological

Abstract

The present experiment was conducted during rainy (kharif) seasons of 2021, 2022 and 2023 at vegetable research farm, ICAR-Indian Agricultural Research Institute, New Delhi to study okra [Abelmoschus esculentus (L.) Moench] cv. Pusa Sawani, crossed with 3 wild accessions, viz. A. manihot var. tetraphyllus (IC 90476-1); IC-141055 and IC- 141040 of A. moschatus. A total of 27 morphological and 9 biochemical parameters were characterized for parental species and their derived F₁ hybrids. Results showed that the hybrids possessed superior and beneficial traits than the parents and had a greater alliance with their wild parent. The mean performance of the quantitative characters and heterosis of the three interspecific derived F₁s differed significantly from parents. Almost all biochemical parameters value, except moisture were found high in wild accessions followed by interspecific derived F₁ hybrid and lowest in cultivated variety Pusa Sawani. Per cent disease incidence for yellow vein mosaic virus (YVMV) and enation leaf curl virus (ELCV) was 92 and 32, respectively in Pusa Sawani. However, both the wild accessions of A. moschatus namely (IC-141055) and (IC-141040) and their interspecific hybrids recorded no incidence of both the disease.

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