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Aditya Pandu Wicaksono, S.ST
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Department of Agronomy, Faculty of Agriculture Universitas Brawijaya, Jl. Veteran Malang, Indonesia, 65145
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Plantropica: Journal of Agricultural Science
Published by Universitas Brawijaya
ISSN : -     EISSN : 25416677     DOI : http://dx.doi.org/10.21776/ub.jpt
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
PLANTROPICA: Journal of Agricultural Science aims to provide a forum for international researchers on applied agricultural science to publish the original articles. The scope of PLANTROPICA: Journal of Agricultural Science are crop science, agronomy, horticulture, plant breeding, agricultural environmental resources, agricultural climatology and plant physiology.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Agronomi dan Ilmu Tanaman
Articles 312 Documents
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Preliminary Evaluation of Leaf Extracts from Three Zimbabwean Aloe Species as Potential Bio-Stimulants on Tomato (Solanum lycopersicum L.) Health and Yield Mafuratidze, Rumbidzai; Chatyoka, Anesu I.; Simbanegavi, Michelle A.; Zhou, Fortune N.; Dzvuke, Tinodaishe M.; Sanjobo, Jennifer T.; Mashavakure, Nilton
Plantropica: Journal of Agricultural Science Vol. 11 No. 1 (2026): Februari
Publisher : Department of Agronomy, Faculty of Agriculture, Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jpt.2026.011.1.11

Abstract

The use of natural bio-stimulants has gained attention over the past few years, aiming to reduce the excessive use of agrochemicals in crop production thus promoting sustainable agriculture. This study aimed to investigate the bio-stimulant potential of foliar-applied aloe leaf extracts on tomato (Solanum lycopersicum L.) health and yield. The study was done over a period of six months at Chinhoyi University of Technology Farm, Zimbabwe. The control involved normal farmer practice using Compound C® fertiliser (6% N: 15% P2O5: 12% K2O), calcium nitrate (15.5% N) and ammonium nitrate (34.5% N) application at 400, 140 and 200 kg ha-1, respectively. Leaf extracts of Aloe barbadensis Miller, A. ferox M., and A. broomii at concentrations of 10 g/L (low), 20 g/L (moderate) and 30 g/L (high) were combined with three inorganic fertilizer application rates (25%, 50% and 75% of normal farmer practice). The results showed that foliar application of aloe leaf extracts at moderate concentrations and fertilization reduced pest-related leaf damage by 60% relative to normal farmer practice. Furthermore, reduction of inorganic fertilizer by 25%-75% in combination with aloe leaf extracts achieved the same yield as normal farmer practice. The findings of this study highlight the potential of aloe leaf extract–based biostimulants, rich in bioactive compounds and nutrient-associated constituents, to sustain tomato yield and enhance resilience to biotic stress. Further studies should focus on optimising aloe leaf extracts in sustainable nutrient pest management in tomato production.
Increasing Flavonoid Content of Red Beet (Beta vulgaris L.) through Providing Shade and Potassium Pasaribu, Enita; Udayana, Cicik
Plantropica: Journal of Agricultural Science Vol. 11 No. 1 (2026): Februari
Publisher : Department of Agronomy, Faculty of Agriculture, Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jpt.2026.011.1.9

Abstract

Application of potassium and intensity of sunlight might affect flavonoid content on the red beet. This research aims to determine optimal shade density and potassium dosage to enhance the flavonoid content on red beet. The research was conducted in Temas Village, Batu, East Java, at an altitude of 790 meters above sea level, with an average temperature of 22.25oC and humidity ranging from 77% to 95%. The research used a split plot design with two factors: shade percentage (25%, 50%, 75%) and potassium dosage (48 kg ha-1, 96 kg ha-1, 144 kg ha-1) by repeating three times. Result of the research showed an application of 75% shade and 96 kg ha- 1 potassium produced higher flavonoid content compared to other treatments. The highest biomass dry above the ground and fresh tuber weight were obtained with 25% of shade. Meanwhile, biomass dry above the ground and fresh tuber weight were higher with the application of 96 kg ha-1 potassium.

Page 32 of 32 | Total Record : 312

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