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Nursakinah Harahap
Universitas Negeri Medan
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Perbanyakan Vegetatif Jambu Bol (Syzygium Malaccense) Melalui Teknik Sambung Pucuk Adinda Munthe; Della Azzahra Batubara; Mawar Gultom; Nursakinah Harahap; Rani Simanjuntak; Syalsabila Pane; Aswarina Nasution
Journal of Education Technology Information Social Sciences and Health Vol. 5 No. 2 (2026): September 2026
Publisher : CV. Rayyan Dwi Bharata

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57235/jetish.v5i2.8438

Abstract

Guava (Syzygium malaccense) is a tropical fruit plant that has economic value and health benefits because it contains many active compounds that are good for the body. One way to vegetatively propagate guava is by using the grafting technique. This study aims to determine the process and success of the grafting technique on guava plants at the Horticultural Seed Development Unit of the Food Security, Agriculture, and Fisheries Service of Medan City and used a descriptive method through direct observation in the field. The selection of rootstock and scion, grafting procedures, binding the graft, and care of grafted seedlings are all part of the study. The results showed that the guava grafting technique was successful, with scion remaining fresh and new shoots emerging after the procedure. The accuracy of the cambium meeting between the rootstock and scion, the quality of the plant material, environmental conditions, and care after grafting are all factors that influence the success of grafting. Maintaining the superior traits of the parent plant, accelerating fruiting, producing uniform seedlings, and increasing plant resistance to environmental conditions, pests, and diseases are some of the advantages of this technique. Therefore, grafting can be an effective technique for producing superior guava seedlings.
Respon Pertumbuhan Bibit Pakcoy (Brassica rapa subsp.chinensis) Terhadap Aplikasi Pupuk Organik Cair Kulit Bawang Merah Idramsyah Idramsyah; Ahmad Syafwan Pulungan; Adinda Laura Munthe; Rani Simanjuntak; Deka Wira Pratama Barus; Nursakinah Harahap
JURNAL AGROPLASMA Vol 13, No 2 (2026): Jurnal Agroplasma Vol.13 No.2 (Oktober 2026)
Publisher : UNIVERSITAS LABUHANBATU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/agroplasma.v13i2.9546

Abstract

Pakcoy (Brassica rapa subsp. chinensis) is a leafy vegetable widely consumed by the community and requires adequate nutrient availability to support optimal seedling growth. The utilization of organic waste as liquid organic fertilizer (LOF) represents an environmentally friendly alternative while contributing to agricultural waste management. Onion peel waste contains essential nutrients and organic compounds that have the potential to be utilized as raw material for LOF production. However, information regarding the effectiveness of onion peel-based LOF on pakcoy seedling growth remains limited, particularly across different application concentrations during the seedling stage. This study aimed to evaluate the effect of onion peel LOF on pakcoy seedling growth based on plant height, leaf number, and leaf color parameters. The experiment employed a Completely Randomized Design (CRD) consisting of four treatments: control, 20% LOF, 30% LOF, and 40% LOF. Data were analyzed using Analysis of Variance (ANOVA) at a 5% significance level. The results indicated that the 30% LOF treatment produced the highest average plant height and leaf number compared with the other treatments. However, statistical analysis revealed no significant effects on plant height, leaf number, or leaf color (p>0.05). Nutrient analysis showed that the onion peel LOF contained 0.03% nitrogen, 0.02% phosphorus, and 0.58% potassium, with potassium being the dominant nutrient. These findings imply that onion peel waste has potential as an additional nutrient source and biostimulant for sustainable crop cultivation. The results indicate that onion peel liquid organic fertilizer has the potential to be used as a supplementary fertilizer; however, it has not been able to significantly improve pakcoy seedling growth at the tested concentrations.. Keywords: Brassica rapa subsp. chinensis, liquid organic fertilizer, pakcoy, seedling growth, shallot peel waste.
Co-Authors Adinda Laura Munthe Adinda Munthe Ahmad Syafwan Pulungan Aswarina Nasution Deka Wira Pratama Barus Della Azzahra Batubara Idramsyah Idramsyah Mawar Gultom Rani Simanjuntak Syalsabila Pane