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Journal : Kultivasi

In-situ characterization of Jatigede local Roid banana (Musa spp.) based on morphological and agronomical characteristics Ismail, Ade; Pratiwi, Vika Faraditha; Maulana, Haris; Bari, Ichsan Nurul; Maharani, Yani; Kusumah, Fajar Maulana Wijaya
Kultivasi Vol 22, No 1 (2023): Jurnal Kultivasi
Publisher : Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/kultivasi.v22i1.45746

Abstract

Banana (Musa spp.) is one of the agricultural commodities that’s widely cultivated and used by the local community. Currently, only 101 types of local varieties of bananas are registered in Indonesia; one of them is the Roid banana from Jatigede District. Roid bananas grow wild without any mandatory special care. Continuous use without any conservation and preservation efforts can lead to scarcity of Roid banana germplasm as a genetic resource. Therefore, it is necessary to identify the distribution and diversity of Roid bananas through in situ exploration and characterization activities. This study aimed to identify the potential for genetic diversity and develop conservation efforts for the local variety of Roid banana (Musa spp.) in Jatigede District. This research was conducted from November 2021 - March 2022 in three villages in Jatigede District: Ciranggem Village, Jemah Village, and Mekarasih Village. The research used exploratory, survey, and interview methods as data collection techniques. Based on the results of the study, Jatigede District has a wide genetic diversity and distant kinship among Roid banana accessions. Characters that contributed to genetic diversity among accessions were the width of the midrib margin, the diameter of the bunch, and the length of the pseudostem. MS1.3 was the selected accession with its potential characteristics: more combs in bunches, leaf width of 71-80 cm, leaf length of 171-220 cm, and the number of rhizomes > 5 tillers.
Effect of chemical and mechanical weed control on weed seed banks in rice field Umiyati, Uum; Widayat, Dedi; Maharani, Yani
Kultivasi Vol 23, No 2 (2024): Jurnal Kultivasi
Publisher : Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/kultivasi.v23i2.53673

Abstract

Weed control is essential for ensuring the diversity of weeds on agricultural land. A study was conducted in rice fields in Subang and Cianjur districts, where 24 fields were observed to have varying weed management approaches. The research employed descriptive methods, including surveys to identify weed types and destructive methods to analyze weed seed banks at different depths. The descriptive methods included surveys to identify weed types and destructive methods to analyze weed seed banks at different depths. Each district contained twelve rice fields that reflected diverse environmental conditions and weed control techniques, yet shared a similar age range of 1-5 weeks. The study examined the weed vegetation, community coefficients, weed diversity, weed dominance, and variations in seed banks at various depths. The results indicated that fields without herbicide-based weed control had a higher number of weed species than those using herbicides. Herbicide use effectively decreased weed populations, subsequently altering the seed bank composition. The dominant weeds in herbicide-treated fields were Cynodon dactylon, Pistia stratiotes, and Ludwigia adscendens, whereas Ludwigia adscendens, Cynodon dactylon, and Pistia stratiotes were dominant in fields without herbicides.