Development of stevia rebaudiana hybrids through trigona-assisted pollination (pembangunan hibrid stevia rebaudiana melalui pendebungaan berbantukan trigona)

Othman, Halimaton Saadiah and Zainuddin, Zarina (2022) Development of stevia rebaudiana hybrids through trigona-assisted pollination (pembangunan hibrid stevia rebaudiana melalui pendebungaan berbantukan trigona). Sains Malaysiana, 51 (7). pp. 2013-2023. ISSN 0126-6039 E-ISSN 2735-0118

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Abstract

Hybridization is an important method to widen variations and to develop novel varieties in plants. The increasing interest in Stevia rebaudiana over the last decade soared by its potential as an alternative source of sugar. In this study, improvement in stevia has been conducted through hybridization using Trigona for the development of stevia hybrids. Trigona, which consists of small to medium-sized bees, is usually found in tropical and subtropical parts of the world. They are common visitors to owering plants and pose an important function as crop pollinators. A eld experiment was conducted using 17 stevia accessions (from Malaysia and Paraguay), and the F1 hybrids were morphologically and chemically evaluated. Among the F1 individuals, a wide range of variability with regards to qualitative and quantitative morphological parameters was observed. A selection of seven F1 hybrids namely MS007HYB1, MS007HYB2, LangatHYB, EireteIIHYB, NilaiHYB1, NilaiHYB2, and NilaiHYB3 was made based on their promising features. Improvements were observed in total stevioside content for MS007HYB1 (45%) and MS007HYB2 (30%), rebaudioside content for MS007HYB2 (4.2%), NilaiHYB2 (3.8%), NilaiHYB3 (3.6%) and LangatHYB (14.4%), and delay in owering for MS007HYB1 (46 days), MS007HYB2 (46 days), LangatHYB (51 days), EireteHYB (47 days), NilaiHYB1 (49 days), NIlaiHYB2 (46 days) and NilaiHYB3 (46 days) when compared to their respective mother plants.

Item Type:	Article (Journal)
Uncontrolled Keywords:	Hybridization; hybrids; Stevia rebaudiana; Trigona
Subjects:	S Agriculture > S Agriculture (General)
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button):	Kulliyyah of Science > Department of Plant Science Kulliyyah of Science
Depositing User:	Dr Zarina Zainuddin
Date Deposited:	26 Oct 2022 11:14
Last Modified:	26 Oct 2022 11:46
URI:	http://irep.iium.edu.my/id/eprint/100811

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