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All Journal Journal of Tropical Crop Science Journal of Tropical Horticulture
Fatiani Manik
Balai Penelitian Tanaman Buah Tropika Kebun Percobaan Tongkoh-Berastagi
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry

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Can We Produce True Seed of Shallot (TSS) from Small Size Shallot Sets? Palupi, Endah R.; Manik, Fatiani; Suhartanto, M Rahmad
Journal of Tropical Crop Science Vol 4 No 1 (2017): Journal of Tropical Crop Science
Publisher : Department of Agronomy and Horticulture, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (731.55 KB) | DOI: 10.29244/jtcs.4.1.26-31

Abstract

The Indonesian government has been promoting the use of true seed of shallot (TSS) for shallot production due to its higher productivity potentials and greatly reduced risk of disease transfer. This research was conducted at Leuwikopo experimental station, Department of Agronomy and Horticulture, Bogor Agricultural University, West Java, Indonesia, in 2015. The aim of the research was to study TSS production from small size shallot sets “Bima Brebes”, an easy to flower shallot cultivar.  The trial was arranged in a completely randomized block design with two factors; BAP concentration i.e. 50, 100 150, 200 ppm as the first factor and the sizes of mother bulbs, i.e. small (3-4 g) and medium (5-10 g), as the second factor. The results showed that the vegetative growth of plants from the two bulb sizes were similar. TSS production and TSS quality from small size (3-4 g) bulbs was also comparable to that of medium size shallot set, except for 1000 seeds weight in which medium size mother bulb produced heavier 1000-seeds weight than that of small size shallot set. Therefore small size shallot set can potentially be useful for TSS production. 
The response of Stecklings Age and Plant Spacing on Carrot Seed Quality and Production Manik, Fatiani; Tarigan, Rasiska; Barus, Susilawati
Journal of Tropical Horticulture Vol 3, No 2 (2020): October 2020
Publisher : Yayasan Pertanian Tropika Indonesia (YPTI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33089/jthort.v3i2.53

Abstract

The quality of seed needs to be considered in carrot seed production to maintain its productivity. The research aims to find out the response of stecklings age and plant spacing on carrot seed quality and production. This research was held on July 2018 – April 2019 in Berastagi field trial (1340 m MSL). The experiment used Randomized Complete Block Design (RCBD) with two factors, i.e., stecklings age (2 and 3 months) and plant spacing (25, 50, 75, and 100 cm), replicated four times (32 experiment units), 10 plants from each experiment units were taken as samples. The result showed that stecklings age and plant spacing were affected to plant vegetative and generative stages. The combination of 2-month stecklings and 50 cm plant spacing increased the number of secondary umble, if compared to cultivation, which was generally used by the farmer (3-month stecklings and 25 cm plant spacing). The best quality of carrot seed was obtained from the combination of 3-month stecklings and 50 cm plant spacing.
Co-Authors Aisyah Hutasuhut, Melfa Barus, Susilawati Fanisah Labibah Mohamad Rahmad Suhartanto Muhammad Tirta Rizky Palupi, Endah R. Rasiska Tarigan Zahratul Idami