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INDONESIA
Planta Simbiosa : Jurnal Tanaman Pangan dan Hortikultura
Published by Politeknik Negeri Lampung
ISSN : 26854627     EISSN : 26854627     DOI : -
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Immunology & microbiology
Naskah yang dipublikasi merupakan karya dari hasil-hasil penelitian, ulasan (review) singkat, analisis kebijakan, catatan penelitian (research notes) mengenai teknik percobaan, alat, pengamatan, dan hasil awal percobaan (preliminary results) berkaitan dengan tanaman pangan dan hortikultura.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 6 Documents
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Search results for , issue "Vol. 7 No. 1 (2025)" : 6 Documents clear
Analisis Laju Asimilasi Padi Hitam akibat Aplikasi Mikoriza Arbuskula dan Jerami Padi pada Sawah Tadah Hujan Safriadi; Muliandari, Nadya
J-Plantasimbiosa Vol. 7 No. 1 (2025)
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jplantasimbiosa.v6i2.3800

Abstract

Black rice cultivated on land with low water content can adapt and grow well by utilizing rainfed land. Arbuscular Mycorrhizal Fungi (AMF) application increase water and nutrient absorption. Soil moisture plays role in the development of AMF. Attempt to maintain soil moisture can be balanced by applying rice straw to the land. This research aimed to examine the role of mycorrhiza and rice straw and their interactions independently in increasing the rate of assimilation and relative growth of black rice in rainfed rice fields. The experiment was conducted in Tebas District, Sambas Regency from July to December. This research method used a split-plot design with randomized block design consisted of main plot and subplot. The main plot was AMF treatment (without AMF and AMF administration), and the subplots were rice straw dosage (ton/ha) (0, 5, 10, 15). The experiment was repeated 3 times, 8 treatments and 16 observed plant samples and continued with Honestly Significant Difference (HSD) test with 5% level. Variables of this observation are leaf area, total dry weight, and net assimilation rate. The result showed that the interaction of AMF and rice straw treatment influenced leaf area, total dry weight and net assimilation rate. Keywords: Black Rice, Mycorrhizal, Rice Straw
Pengujian Periode After-Ripening pada Beberapa Benih Padi (Oryza sativa L.) Varietas Unggul Indria Rini, Sinta; Putri, Ria; Chrisna Pandu Pradana, Onny; Wahyudi, Anung
J-Plantasimbiosa Vol. 7 No. 1 (2025)
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jplantasimbiosa.v7i1.3868

Abstract

Rice (Oryza sativa L.) plays a crucial role in Indonesia's food security. The use of high-quality seeds is essential to improve rice productivity. One of the factors affecting seed quality is seed physiology, particularly the physiological processes after harvest, known as after-ripening. After-ripening is a process that enables seeds to germinate after a certain period of dry storage. This study aims to determine the duration of the after-ripening period in several superior rice varieties and identify the variety with the shortest after-ripening period among those tested. The research was conducted at the Seed Analysis Laboratory, Lampung State Polytechnic, from November 2023 to January 2024, using a factorial Completely Randomized Design (CRD). The first factor was the after-ripening period (ranging from 0 to 6 weeks), and the second factor was the rice varieties (Gilirang, Inpari 42, and Inpari 43). Each experimental unit consisted of 100 rice seeds. Data were analyzed using ANOVA and further tested with Duncan’s Multiple Range Test (DMRT) at a 5% significance level. The results showed that the after-ripening period varied among the varieties. The Gilirang variety completed its after-ripening period within 1 week, while Inpari 42 and Inpari 43 required 2 and 3 weeks, respectively. The Gilirang variety demonstrated the shortest after-ripening period, than the Inpari 42 and Inpari 43 varieties.
Analisis Vegetasi Gulma Tanaman Mawar pada Lahan Dataran Tinggi dan Rendah Tarigan, Puji Lestari; Fitrianti, Arfiana; Wardhana, Arya Wira; Gabrielle, Vanessa; Andisha, Syakila Irgi; Ayni, Nurul
J-Plantasimbiosa Vol. 7 No. 1 (2025)
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jplantasimbiosa.v7i1.3880

Abstract

Weeds are one of the main inhibiting factors in the cultivation of ornamental plants, including roses, because they compete for nutrients, air and light. This research aims to inventory and analyze weed vegetation in lowland (Sidoarjo, 8 masl) and highland (Batu, 900–950 masl). The research method includes observation in sample plots measuring 1x1 meter with six plots at each location, followed by analysis using the Important Value Index (INP). The results show that in the lowlands, Teki weed (Cyperus rotundus L.) dominates with an INP of 191.27, while in the highlands, Jotang Kuda weed (Syndrella nodiflora) dominates with an INP of 52.08. These differences reflect the weed's adaptation to the environmental conditions of each location. Effective and sustainable weed control is very necessary to increase the productivity and quality of rose cultivation.
Analisis Vegetasi Gulma Berdaun Lebar pada Lahan Budidaya Tanaman Jagung (Zea mays L.) di Dataran Tinggi dan Dataran Rendah Humaira, Farha Niswa Al; Rahmawanti, Fitrianti; Maharani, Zerlinda Aqila Gitta; Jannah, Ananda Rohmatul; Kamaluddin, Muhammad; Tarigan, Puji Lestari
J-Plantasimbiosa Vol. 7 No. 1 (2025)
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jplantasimbiosa.v7i1.3957

Abstract

Corn plants are considered as one of the staple crops in Indonesia. Corn is an important crop after rice as a source of carbohydrates, and corn has high strategic and economic value. In producing corn plants, their growth is very much determined by how they are managed. Several factors that greatly affect the decline in corn growth are the presence of weeds growing in cultivated land. The presence of these weeds can disrupt plants. In addition, weeds become competing plants for cultivated plants to get water, light and nutrients. The method used in conducting this weed diversity analysis is the quadratic method. The method used is to identify weeds found in corn plants in the highlands of Malang Regency and the lowlands of Siduarjo Regency. The results obtained from observations of weed vegetation in the highlands found 9 families, 12 species and 152 individuals, while in the lowlands found 2 families, 2 species and 173 individuals. The Ageratum conyzoides species in the highlands has the highest relative density, which is 48.05%, while in the lowlands, the Amaranthus viridis species has a relative density of 89.60%.
Pertumbuhan Vegetatif dan Potensi Hasil Stek Ubi Jalar pada Varietas, Jenis Stek, dan Periode Simpan Stek yang Berbeda Suwarto; Wahyuni, Ari; Bias Cintaning, Anis; Ayu Nabila, Diah; Neti, Natali; Rudang Astari Sinaga, Tamara
J-Plantasimbiosa Vol. 7 No. 1 (2025)
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jplantasimbiosa.v7i1.4014

Abstract

Sweet potatoes are propagated using vegetative propagation, especially cuttings. The cuttings used can come from the shoots and stems. During the distribution to farmers, the cuttings undergo temporary storage that useful to help maintain moisture, temperature, and air circulation in an optimum state. The study aimed to determine the effect of variety, type of cuttings, length of storage, and their interaction on vegetative growth and potential cuttings produced by sweet potato plants. The study was arranged using a three-factor factorial Randomized Block Design with 4 replications. The first factor was sweet potato varieties composed of 2 levels, specifically Antin 3 (V1) and Beta 1 (V2). The second factor is the cuttings types composed of two levels, specifically shoots (S1) and stems (S2). The third factor is the storage period, which consists of 3 levels, specifically without storage (P0), 1 week of storage (P1), and 2 weeks of storage (P2).  The observed variable consisted of cutting growth rate, primary branch length, secondary branch length, and number of branchs and cuttings potential. The results showed that the Beta 1 variety had better growth than the Antin 3 variety based on the criterion  of shoot growth, secondary branch length, and cuttings potential. Beta 1 has a longer shelf life than Antin 3, which can be stored for 1 week. Cuttings planting material storage can reduce all observation criterion, specifically growth capacity, primary branch length, number of branchs, secondary branch length, and cuttings potential. Cuttings derived from the shoots produced better plant length than stem cuttings in the treatment without storage.
Respon Pertumbuhan dan Protein Microgreens Bayam dan Kangkung pada Media yang Berbeda Suminar, Ratna; Adrialin, Gian Sapta
J-Plantasimbiosa Vol. 7 No. 1 (2025)
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jplantasimbiosa.v7i1.4117

Abstract

The decreasing area of agricultural land due to conversion to residential use threatens food security and the sustainability of the agricultural sector, so efficient and nutritious cultivation alternatives are needed. Microgreens, young vegetables that are rich in nutrients and can be cultivated on limited land, are a potential solution whose success is greatly influenced by the growing medium. This study aimed to analyze the effect of growing media on the growth and protein of spinach and kale microgreens. The research was conducted in Jambewangi in August-November 2024 using a two-factor completely randomized design (CRD), namely planting media (husk charcoal, cocopeat, Malang sand, and rockwool) and vegetable types (kale and spinach greens), each with three replications. The results showed a significant interaction between vegetable species and planting media on the fresh weight of plants at the age of 14 HST. The best treatment was found in husk charcoal × kale, cocopeat × kale, and rockwool × kale. The highest protein content was recorded in sand × spinach (6.05%), while the highest total chlorophyll was in cocopeat × kale (38.80 µmolm-²). The selection of appropriate growing media proved to have a significant effect on the vegetative growth and nutritional quality of microgreens.

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