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Potential propagation seedling of Ramie (Boehmeria nivea) from various types of stem cuttings Rahman Side, Taufiq Hidayat; Yamin, Mayasari; Mulyani, Sri; Aji, Agung Pangestu; Ayunawati, Luthfi
Kultivasi Vol 23, No 3 (2024): Jurnal Kultivasi
Publisher : Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/kultivasi.v23i3.57096

Abstract

Ramie is a fiber-producing plant that can replace cotton as a raw material for the textile industry. In general, ramie plants are reproduced using rhizomes, but it takes a long time, around two years, to be used as a source of planting material. Therefore, other sources of explants besides rhizomes are required, such as stem cuttings. Explants from stem cuttings are quickly available and only need 2-3 months to be used as planting material. This study aims to determine the potential of effective stem cuttings that can be used as planting material for the propagation of ramie seedlings. The research was conducted from July to December 2021 at the experimental garden in the Indonesian Instruments Standardization Testing Center for Sweetener and Fiber Crops, Malang, East Java. The research used a Completely Randomized Design (CRD) consisting of four treatments of ramie seedling material of the Ramindo 1 variety, namely rhizome, shoot cuttings, middle stem cuttings, and basal stem cuttings. Each treatment was repeated 5 times. The result showed that all parameters had a significant effect. Ramie seedling source from basal stem cuttings showed the best growth percentage (92%), stem diameter (4.8 mm), and plant wet weight (44.6 g). Shoot cuttings showed the best number of roots (31.6), plant height (60.8 cm), and number of leaves (41.4). Cuttings from shoot and basal stems can be used as planting material for producing ramie seeds other than rhizomes.
Diversity and Selection of Cotton Germplasm Based on Morpho-Agronomic Character Performance Rahman Side, Taufiq Hidayat; Yamin, Mayasari; Mulyani, Sri; Qadri, Sri Nur; Ayunawati, Luthfi; Aji, Agung Pangestu
HAYATI Journal of Biosciences Vol. 32 No. 2 (2025): March 2025
Publisher : Bogor Agricultural University, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.4308/hjb.32.2.341-355

Abstract

Cotton is a plant that produces natural fibers of high economic value. Developing a new superior variety of cotton is expected to support fiber demand in Indonesia. The purpose of this study was to determine the diversity of morpho-agronomic characters and obtain secondary characters and cotton accessions that support the development of a new superior cotton variety. The genetic material used was 266 cotton accessions from the ISFCRI germplasm collection. Primary data of the 16 quantitative morphological characters were observed and analyzed using descriptive data, correlation analysis, path analysis, scatterplot, and grouping. The fiber length character has a very low diversity with a value of 0.01, and the plant height character has the highest variance, which is 637.42. The lint percentage with a variance value of 9.37 is influenced by duplicate epistasis genes and controlled by many genes. The fiber's fineness character has a positive and very significant correlation value to the character of the lint percentage. It has fairly high direct and total effect values of 0.156 and 0.134, respectively. Four accession groups can potentially support developing a new superior variety; accession CEA N 268, CEDIX, or L21999-10-71 can be used as the parent of new superior cotton varieties.