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All Journal Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Jurnal Pusat Inovasi Masyarakat
Alghifari, Ahmad Fadli
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Agriculture, Biological Sciences & Forestry Economics, Econometrics & Finance Social Sciences

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Journal : Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy)

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Growth and production of beneng taro genotypes (Xanthosoma undipes K. Koch) on different soil organic carbon Alghifari, Ahmad Fadli; Santosa, Edi; Susila, Anas Dinurrohman
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 51 No. 1 (2023): Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy)
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (312.203 KB) | DOI: 10.24831/ija.v51i1.44975

Abstract

Beneng taro is a perennial of Araceae and becomes a new commodity in Indonesia. The research aimed to evaluate the growth and yield of beneng taro on various statuses of soil organic carbon (SOC). Three genotypes of taro, i.e., beneng Banten, beneng Bondowoso, and East Nusa Tenggara (NTT) fodder taro were planted in three SOC levels, i.e., 1.79, 2.94, and 4.09% in a randomized split block design in the Leuwikopo Experimental Station, IPB from April to December 2021. SOC was designed by adding cow manure. The results showed that there was no interaction between genotypes and SOC. The increase in SOC from 1.79 to 4.09% did not significantly affect growth but significantly affected the diameter and yield of beneng and NTT fodder taro. An increase in SOC above 1.79% markedly decreased tuber diameter, but conversely increased fresh tuber weight. Tuber weight increased by 5.6% and 12.1% with an increase in SOC from control to 2.94% and 4.09%, respectively. The increase in tuber weight was supported by the trend of increasing biomass weight and the number of roots. SOC source in the present study was cow manure which may also contribute some nutrients, therefore, further research is needed using neutral organic carbon sources to determine the effect solely. Keywords: Araceae; SOC; growth; manure; NTT taro; talas beneng Banten
Allelopathic potential of apus bamboo leaf extract towards Asystasia gangetica and Cyperus rotundus Muntoyib, Junaidi; Alghifari, Ahmad Fadli; Roudho, Zahrotur; Oktavian, Aldi; Irawan, Riko; Guntoro, Dwi
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 52 No. 2 (2024): Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy)
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24831/jai.v52i2.53766

Abstract

Weeds pose a significant challenge in agricultural activity by competing with cultivated crops for essential resources. The conventional use of chemical herbicides has demonstrated adverse impacts on the environment and human health, prompting a shift toward exploring bioherbicides. This study aimed to assess the inhibitory effects of Apus bamboo (Gigantochloa apus Kurz) leaf extract on the pre-germination phase of Brassica juncea, Asystasia gangetica, and Cyperus rotundus through bioassay and pot experiment. The research design employed a completely randomized design (CRD) with a single factor representing the concentrations of Apus bamboo leaf extract (% w/v). The concentrations tested were 0%, 5%, 10%, 15%, and 20%. Each concentration was replicated three times, resulting in 15 experimental units. Bioassay results revealed the capacity of Apus bamboo leaf extract to inhibit and disrupt B. juncea seed germination. The pot experiment results demonstrated the inhibitory effects of the extract, significantly affecting A. gangetica germination and population, A. gangetica total fresh and dry weight, and C. rotundus total dry weight. The extract exhibited strong inhibition, starting at a concentration of 15% for A. gangetica and 10% for C. rotundus. The findings suggested that Apus bamboo leaf extract holds significant potential as a bioherbicide. Keywords: allelochemical; bioherbicide; inhibitory effect; weed control Keywords: allelochemical; bioherbicide; inhibitory effect; weed control
Co-Authors Amirah, Nurul Anas Dinurrohman Susila Cahyaningrum, Laeli Dyah Tantri Dwi Guntoro Edi Santosa Eka Maulidiya, Sherly Irawan, Riko Mohammad Iqbal Irfany Muntoyib, Junaidi Oktavian, Aldi Oktaviona, Winda Rahmawati, Nur Fajri Roudho, Zahrotur Suwandi, Syifa Damaianti