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Putra, Oktaviandra
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Adaptation of local lowland rice from West Sumatra on growth, yield, and pest and disease resistance Salfiati, Salfiati; Putra, Oktaviandra; Ediwirman, Ediwirman
Jurnal Agrotek Ummat Vol 11, No 1 (2024): Jurnal Agrotek Ummat
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jau.v11i1.20504

Abstract

Rice is a strategic food commodity that needs to be maintained for production stability. This can be done by testing various aspects of both productivity and resistance to pests and diseases.  West Sumatra has genetic resources of paddy rice that can be developed into superior varieties.  Rice paddy genotypes that have been released into varieties such as Batang Anai, Anak Daro, Bakwan, and Marapulai.  But there are also many that have not been made into varieties, including Bujang Marantau, Kuriak Kusuik, Kuriak Putiah, which are still cultivated by farmers. Therefore, testing the adaptability of local paddy rice genotypes is one of the initial strategies.  The experiment was conducted on paddy fields in 2 (two) locations, Tolatang Kamang and Ampek Angkek Agam Regency, West Sumatra Province. The experiment was conducted from February to June 2022.   The experiment used a Randomised Block Design with 3 blocks. Treatments consisted of 5 (five) phenotypes including; Kusuik Putiah, Kuriak Kusuik, Kuriak Putiah, Ampek Bulan Putiah, and Cantik Manis.  Variables observed in the field during plant growth from the vegetative, generative phase to harvest include; plant height, number of productive tillers per clump, panicle length, flowering age, number of grains per panicle, number of full grains per panicle, harvest age, weight of 1,000 grains, dry grain weight per ha, resistance to brown stem leafhopper, and bacterial leaf blight. Observational data were analyzed statistically using the STATISTIX ver 8.0 program.  Brown planthopper pest attack was observed by referring to the criteria set by IRRI.  The results of the study can be concluded, Kusuik Putih is one of the local paddy rice genotypes from West Sumatra that can be proposed as a candidate for new superior varieties with dry grain weight reaching 6.95 t per ha, but, bacterial leaf blight resistance is still classified as susceptible to moderately vulnerable, followed by other local rice such as Kuriak Putiah (5.92 t.ha 1), Cantik Manis (5.55 t.ha 1), Ampek Bulan Putiah (5.30 t.ha 1), and Kuriak Kusuik (4.95 t.ha 1), which are moderately resistant to brown stem leafhopper and bacterial leaf blight.
West Sumatra local chili genotype appearance test Ediwirman, Ediwirman; Salfiati, Salfiati; Putra, Oktaviandra
Jurnal Agrotek Ummat Vol 10, No 3 (2023): Jurnal Agrotek Ummat
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jau.v10i3.15982

Abstract

Chilli is an economically valuable horticultural crops.  The exploration of local chilli genetic resources is expected to provide qualitative and quantitative character information.   The study aimed to test the appearance of local chilli genotypes in West Sumatra based on qualitative and quantitative characters.   The research was conducted on dry land in Tiaka Village, East Payakumbuh Subdistrict, Payakumbuh City, West Sumatra Province at an altitude of 515 m above sea level.  The research was carried out from December 2020 to August 2021.   The research used a fully randomised complete group design (RKLT) with 4 Treatmen 6  replications.  The chilli genotypes tested were; Aka, Keriting Bukittinggi, Gero and Kopay.  Variable observation of qualitative characters consisted of; anthocyanin staining on hypocotyl, stem colour, stem cross-sectional shape, leaf shape, leaf colour, flower shape, flower petal colour, flower crown colour, stigma colour, young fruit colour, old fruit colour, fruit shape, seed shape and seed colour.  Quantitative traits were: plant height, stem diameter, flowering age, harvest age, fruit length, fruit diameter, number of fruits per plant, fruit weight, fruit weight per plant, fruit weight per plot, fruit weight per ha. Data for quantitative characters were analysed using PKBT-STAT 3.1C statistical software.  Data for the quantitative characters leaf length, leaf width and 1000 seed weight were not statistically analysed.  The results of the study concluded that Aka is one of the candidates for superior varieties.  Aka chilli produces a lot of fruit (166.27 fruits/plant) with fruit weight reaching 26.95 tons/ha heavier than the Kopay variety as a comparison with fruit weight reaching 22.60 tons/ha.