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All Journal Jurnal Agroqua: Media Informasi Agronomi dan Budidaya Perairan International Review of Practical Innovation, Technology and Green Energy (IRPITAGE)
Dianawati
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Agriculture, Biological Sciences & Forestry Humanities Earth & Planetary Sciences Energy Social Sciences Other

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EFFECTIVENESS OF SOME NON PATHOGENIC ENDOPHYTIC BACTERIA NUTMEG ON VIABILITY OF ORIGIN PLANT SEED RICE (Oryza sativa L) Saiful Mahdi; Danar Hadisugelar; Dianawati; Afriyani; Safrizal
International Review of Practical Innovation, Technology and Green Energy (IRPITAGE) Vol. 5 No. 1 (2025): March-June 2025
Publisher : RADJA PUBLIKA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54443/irpitage.v5i1.2968

Abstract

This study aimed to determine the effectiveness of several non-pathogenic endophytic bacteria isolated from nutmeg plants on the viability of rice seeds. The experimental design used was a non-factorial completely randomized design (CRD) with three replications. The study included 14 endophytic bacterial treatments and one control. The research was conducted at the Biological Control Laboratory, Plant Protection Study Program, Faculty of Agriculture, Syiah Kuala University, Banda Aceh, from August 2023 to September 2023. The results showed that the application of non-pathogenic endophytic bacteria from nutmeg had a highly significant effect on rice seed viability, particularly on growth potential and germination. The highest seed viability was observed in the treatment with the bacterial isolate S - S AG 1 I. Endophytic bacterial isolates from nutmeg plants were proven to enhance the viability of Ciherang rice seeds, especially in terms of growth potential and germination. The isolate S - S AG 1 I produced the best results, with a growth potential of 84.4% and germination rate of 77.8%
IDENTIFIKASI KERAGAMAN DAN DOMINASI GULMA BEBERAPA TANAMAN PANGAN DAN HORTIKULTURA PADA FASE VEGETATIF Hadisugelar, Danar; Amilda, Yenny; Marnita, Yenni; Dianawati; Mahdi, Saiful
Jurnal Agroqua: Media Informasi Agronomi dan Budidaya Perairan Vol 23 No 2 (2025): Jurnal Agroqua
Publisher : University of Prof. Dr. Hazairin, SH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32663/ja.v23i2.5281

Abstract

This study aimed to identify the types, diversity, and dominance of weeds found under several food and horticultural crops during the vegetative phase, namely eggplant, peanut, soybean, and chili. The research was conducted at the educational field of Samudra University using a quadrat method measuring 1 × 1 m with three replications. The identification results showed that Cyperus rotundus appeared in almost all locations and became the dominant weed in several plots. The Shannon-Wiener diversity index (H’) ranged from 0.46 to 1.49, indicating a low to moderate level of diversity, while the evenness index (J’) ranged from 0.67 to 0.92, suggesting that the distribution of individuals among species was fairly even. The highest dominance was recorded for Cyperus rotundus in soybean fields and Spermacoce alata in chili fields. These findings highlight the need for specific control strategies targeting dominant weeds according to crop type to maintain crop productivity.
Co-Authors Afriyani Amilda, Yenny Danar Hadisugelar Marnita, Yenni Safrizal Saiful Mahdi