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Caraka Tani: Journal of Sustainable Agriculture
Published by Universitas Sebelas Maret
ISSN : 26139456     EISSN : 25992570     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Caraka Tani: Journal of Sustainable Agriculture publishes original articles, review articles, case studies and short communications on the fundamentals, applications and management of Sustainable Agriculture areas in collaboration with Indonesian Agrotechnology / Agroecotechnology Association (PAGI), Asia Pacific Network for Sustainable Agriculture, Food and Energy (SAFE-Network), and Indonesian Agricultural Higher Education Communication Forum (FKPTPI). This journal has two issues in a year and it will be published in April and October.
Arjuna Subject : -
Articles 16 Documents
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Search results for , issue "Vol 37, No 2 (2022): October" : 16 Documents clear
Farmers, Traders and Households' Preference to IVegRI’s Open-Pollinated Chili Varieties in Lembang, West Java, Indonesia Asma Sembiring; Laksminiwati Prabaningrum; Tonny Koestoni Moekasan
Caraka Tani: Journal of Sustainable Agriculture Vol 37, No 2 (2022): October
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/carakatani.v37i2.58346

Abstract

The majority of Indonesian farmers plant open pollinated (OP) chili because the seed price is affordable. However, the chili has weaknesses, such as the productivity is lower and the seed is not uniform. Indonesian Vegetables Research Institute (IVegRI) attempts to create high-quality OP chili varieties that farmers could access. The study aimed to identify farmers, traders and households’ preferences for OP chili varieties that IVegRI has released. The study was carried out in Lembang Sub-district, West Java Province, Indonesia, from March to November 2019. A total of 82 respondents, consisting of farmers, traders and households, were asked about their preference for three OP chili varieties, namely Tanjung, Carvi and Ciko. The respondents were selected purposively. Data were analyzed using perceived quality. The results of this study have revealed that production per plant was the most important chili attribute for farmers, while fruit shape and color were the most essential chili attributes for traders and households, as evidenced by the final scores of 4.93, 4.83 and 4.45, respectively. Traders preferred Tanjung chili variety, as indicated by a score of 1.04. Meanwhile, the farmers and households preferred Carvi to Tanjung and Ciko varieties, with a score of 1.05. Farmers' preference for Carvi for all attributes was higher than the average among varieties, especially for production per plant and fruit weight. This implies that Carvi, as the IVegRI OP chili variety, can be disseminated widely to other locations in West Java and other provinces in Indonesia. The findings of this study are expected to provide useful information for a better understanding of factors necessarily considered to further improve IVegRI's OP chili varieties.
Performance Evaluation of Induced Mutagenesis using Colchicine and EMS Solution on Cowpea M3 Purple and Mung Bean Vima1 to Increase Resistance I Gede Ketut Susrama; Ni Made Trigunasih; I ketut Suada; Ni Nyoman Ari Mayadewi
Caraka Tani: Journal of Sustainable Agriculture Vol 37, No 2 (2022): October
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/carakatani.v37i2.56341

Abstract

Induced mutagenesis is one way to improve the quality of crops, especially to increase the resistance to pests and diseases. This research aimed to determine colchicine and ethyl methane sulfonate (EMS) mutagenesis on cowpea M3 purple and mung bean Vima1, in concatenation for developing resistant crops. This research consists of four packages: (1) first package (cowpea M3 purple seeds treated with colchicine solution, (2) second package (cowpea M3 purple seeds treated with EMS solution), (3) third package (mung bean Vima1 seeds treated with colchicine solution) and (4) fourth package (mung bean Vima1 seeds treated with EMS solution). The results of this research revealed that induced mutagenesis by colchicine solution treatment reduced the incidence of bean leaf beetles up to 19% on cowpea M3 purple, as well leaf miners by 5% to 9% and bean leaf beetles up to 5% on mung bean Vima1. Treatment of EMS solution decreased the incidence of bean leaf beetles by 17% on cowpea M3 purple and pink mealybug by 5% to 15% on mung bean Vima1. Induced mutagenesis using EMS solution significantly decreased vegetable leaf miner incidence by 33% to 93% or 71% on average. Colchicine and EMS solution treatment caused aphid attacks in cowpea M3 purple, particularly in pods. The attacks did not happen on leaves and aphid incidence in pods was slower than in control. Some promising mutant candidates were found from this research that will be used in further crop development studies. It is expected that the method and results of this research could inspire faster development of resistant crops.
Soil Drenching with Silicon Improves the Adaptive Response of Tobacco Cultivation under Excess Water Condition Almansyah Nur Sinatrya; Sigit Soeparjono; Tri Candra Setiawati
Caraka Tani: Journal of Sustainable Agriculture Vol 37, No 2 (2022): October
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/carakatani.v37i2.60756

Abstract

Tobacco variety H382 was a cigar type tobacco that has a high economic value and potential as export trade commodity in Indonesia. The development stage of tobacco was very sensitive to water stress, like the water excess. Silicon was one of the most abundant elements in earth crust and has a role in water stress reduction to the plant. The objective of this study was to determine the response of tobacco crop variety H382 with the application of silicon fertilizer to adapt in waterlogging stress condition. This study used a factorial randomized block design with first factor was silicon fertilizer (0, 0.15, 0.30 and 0.45 ml) and second factor was excess water stress treatments (50% to 70%, 70% to 90%, 90% to 110% and 110% to 130% of field capacity). All treatments were replicated three times. The results showed that the addition of 0.45 ml silicon fertilizer to waterlogged tobacco crop could escalate the adaptive response of plant to cope with stress; seen from the increasing of the opened stomata, aerenchyma formation and the chlorophyll content of tobacco crop under excess water stress compared to control. Silicon supplementation improves the water availability in root surroundings and repairs the root architecture; thus, lead to a better hydraulic conductivity of the root for water and nutrient intake. Furthermore, authors found that the application of silicon fertilizer helped tobacco crop variety H382 improve plant adaptability to deal with excess water stress.
Growth and Flavonoids Content of Black Rice (Oryza sativa L. indica) with Compost Tea of Oyster Mushroom Waste Khoerunnisa Khoerunnisa; Regata Ringga Hanessa Putry; Salma Aulia Salsabila; Mochammad Rezky Darmawan; Yasinta Nahdatulia; Iman Budisantoso
Caraka Tani: Journal of Sustainable Agriculture Vol 37, No 2 (2022): October
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/carakatani.v37i2.55164

Abstract

The flavonoid compounds in black rice (Oryza sativa L. indica) are very important for health, they serve, for instance, as antioxidants and anticancer. Giving compost tea of oyster mushroom waste (COMW) can increase plant growth and flavonoid content to black rice. This research aims to determine the effectiveness of COMW to increase the growth and flavonoid content of black rice. This experiment using completely randomized design with single factor of five COMW concentrations, four replicates respectively. The COMW was given at five different concentrations (0, 25, 35, 45 and 55%) from 25 to 45 days after planting. Parameters observed including plant height, fresh and dry weight of plants, fresh and dry weight of roots, fresh weight of grain, fresh and dry weight of total and flavonoid content. The results showed that COMW significantly increased black rice growth, the best growth was obtained by the concentration of 45% and the highest flavonoid content is by 35% concentration. No significant effect on crown height and canopy dry weight. There were significant effects on root fresh weight, shoot fresh weight, grain fresh weight, total fresh weight, root dry weight, dry weight grain, total dry weight and increased levels of flavonoids in black rice. From the research, it can be concluded that COMW increased both growth and flavonoids content of black rice.
Development of Roselle (Hibiscus sabdariffa L.) Calyx Jelly Candy Yuniwaty Halim; Cindy Evelyne; Dela Rosa; Salfarina Ramli
Caraka Tani: Journal of Sustainable Agriculture Vol 37, No 2 (2022): October
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/carakatani.v37i2.61537

Abstract

Jelly candy is syrup-phase, non-crystalline candy made using sugar, corn syrup and gelling agents such as gelatin, natural gums, pectin or starch. Roselle (Hibiscus sabdariffa L.) has red edible calyx that is the potential to be used as a natural colorant for jelly candy as it contains anthocyanins. The objective of this research was to determine the effect of different concentrations of dried roselle calyx and sucrose on the characteristics of roselle calyx jelly candy developed. The concentrations of sucrose used were 63.56%, 70.62%, 77.68% and 84.75%. The concentrations of dried roselle calyx used were 6.67%, 10.00%, 13.33% and 16.67%. Sensory analysis was done with 70 untrained panelists to analyze physical characteristics and preferences toward the jelly candies. Results of hedonic tests indicated that the best-formulated jelly candy according to aroma, texture, color and taste was made using 16.67% of dried roselle calyx and 63.56% of sucrose. The best-formulated jelly candy contains 19.52% of moisture, 0.03% of ash, 8.24% of protein, 1.72% of fat and 70.49% of carbohydrates. The selected jelly candy contains 14.23±0.23 mg 100g-1 of anthocyanin and an antioxidant capacity (IC50)value of 16863.8346 μg ml-1. This research shows the potential use of roselle calyx as a natural colorant in jelly candy manufacturing and can be consumed as a healthier option for sweet treats.
The Effect of Seaweed (Sargassum sp.) and Plant Extract Combinations on the Growth of Mustard Plant (Brassica juncea L.) Grown in Hydroponic Wick System Darwin Habinsaran Pangaribuan; Yohannes Cahya Ginting; Rugayah Rugayah; Rosi Oktiya; Echa Dessya Zaheri
Caraka Tani: Journal of Sustainable Agriculture Vol 37, No 2 (2022): October
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/carakatani.v37i2.59668

Abstract

Nutrient solution is an important factor for the growth and quality of hydroponic plants; however, the price is getting more expensive. Seaweed is abundantly available along tropical coast. The study was conducted to determine the best combination of extract of brown seaweed (Sargassum sp.) combined with coconut husk, lamtoro leaves, moringa leaves or African leaves that fit to the nutritional quality of AB mix as hydroponic nutrition for mustard plants. This research was conducted in the greenhouse of the Faculty of Agriculture, Universitas Lampung. The design used was a completely randomized design with six replications. The treatments consisted of six types of treatment, namely AB mix nutrition, brown seaweed, seaweed and lamtoro leaf, seaweed and coconut fiber, seaweed and moringa leaf, seaweed and African leaf. Results showed that the organic nutrient solution extracting from the mixture of brown seaweed with lamtoro leaf or coconut fiber or moringa leaf or African leaf has not been able to fit the quality of AB mix nutrition for mustard plants in the hydroponic wick system. However, among those treatments, the best fresh weight of mustard was found on the treatment of the combination between brown seaweed and lamtoro leaf which was 51.08% from total fresh weight from control AB mix.

Page 2 of 2 | Total Record : 16

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