AMA, Agricultural Mechanization in Asia, Africa and Latin America
AMA, Agricultural Mechanization in Asia, Africa and Latin America (AMA) (issn: 00845841) is a peer reviewed journal first published online after indexing scopus in 1982. AMA is published by Farm Machinery Industrial Research Corp and Shin-Norinsha Co. AMA publishes every subjects of general engineering and agricultural engineering.
WOS Indexed (2025)
07 Dec 2025 (Vol - 56 , Issue- 12 )
31 Dec 2025 (Vol - 56 , Issue 12 )
Aim and Scope :
AMA, Agricultural Mechanization in Asia, Africa and Latin America
AMA, Agricultural Mechanization in Asia, Africa and Latin America (ISSN: 00845841) is a peer-reviewed journal. The journal covers Agricultural and Biological Sciences and all sort of engineering topic. the journal's scopes are in the following fields but not limited to:
Agricultural and Biological Sciences
Electrical Engineering and Telecommunication
Electronic Engineering
Computer Science & Engineering
Civil and architectural engineering
Mechanical and Materials Engineering
Transportation Engineering
Industrial Engineering
Industrial and Commercial Design
Information Engineering
Chemical Engineering
Food Engineering
Response of Different Edible Coatings on Quality and Storability of Lemon Fruits Cv. Pant Lemon-1
The experiment was carried out to study the effect of post-harvest application of various coatings viz. Carboxy methyl cellulose (1.5%), Hydroxy ethyl cellulose (1.5%), Hydroxy propyl methyl cellulose (1.5%), Chitosan (1.5%), Aloe vera gel (90% w/w), Neem oil, Arabic gum(1%), Guar gum (1.5%) and Xanthan gum (0.5%), on quality attributes and storability of lemon fruits was studied. Fruits were stored at 27±3 °C and 75-80% RH and their physical and chemical properties were evaluated at 3-days intervals up to 15 days. Post-harvest application of 1.5% chitosan followed by 90% w/w Aloe vera gel, 1.5% CMC, 0.5% Xanthan gum was shown to be the most beneficial in terms of reducing weight loss (%) and deterioration (%). Most significant retention in TSS was reported under 1.5% Chitosan, 90% w/v Aloe vera and 1.5 % Carboxy methyl cellulose treated fruits. Similarly, the subtle change in titratable acidity was noted under 1.5% Chitosan, 90% w/w Aloe vera gel1.5% CMCtreatments, 5% Guar gum and 0.5% Xanthan gum treated fruits. The ascorbic acid content was also maintained high in fruit treated with 1.5% Chitosan followed 90% w/w Aloe vera gel1.5% CMC, 0.5% Xanthan gum treated fruits. However, the sugar content increased at a slower rate in coated fruits as compared to uncoated fruits.
Silicon Induced Gene Expression Study in Okra Varieties against Root Knot Nematode usin qRT-PCR
Si is also known as a multifunctional element that significantly increases plant tolerance and enhances resistance against insect and pests. Okra (Abelmoschus esculentus L.), commonly known as lady's fingers or gumbo, faces susceptibility to diverse pests, including root-knot nematode (Meloidogyne incognita), a prominent plant pathogen globally within the Malvaceae family. Quantitative PCR (qPCR) is one of the most common and accurate methods of gene expression analysis. Reference genes are commonly used as the endogenous normalisation measure for the relative quantification of target genes. Gene expression study using RT-PCR revealed upregulation of PAL, CAD, and CHS in disease conditions, while Lsi 1 and Lsi 2 were upregulated in silicic acid treatment. Silicon amendment in okra roots elicits a priming defence response against Root knot nematodes. Si-induced resistance correlates with the activation of PAL, CAD, and CHS genes during disease conditions following nematode attack.
Determination of Agronomic attributes and Essential Oil yield of Peppermint (Mentha piperita L.) varieties under altered planting time and harvesting schedules
A field experiment was carried out to evaluate the ideal planting dates and harvesting stage of peppermint varieties to produce higher herb and essential oil yield of peppermint during two consecutive spring seasons of 2019 and 2020 at two locations viz. Ludhiana and Bathinda. The experiment in split plot design contained the combinations of two varieties (Local and ‘Kukrail’) and three dates of planting (January 15, January 30 and February 15) in the main plots and three harvesting schedules [120, 130 and 140 days after planting(DAP)] in sub plots. The late planting of peppermint varieties on Feb 15 significantly enhanced growth and development of crop in relation to significantly higher dry matter accumulation and leaf area index; the key contributing attributes to herb and oil yield of crop irrespective of the agro-climatic conditions of two different locations. However, Feb 15 planted crop produced significantly higher herb yield than Jan 15 planting while statistically at par with Jan 30 planting. In addition to it, harvesting the peppermint varieties at 140 DAP indicated significantly higher herb yield by 16.3 and 31.2% than 130 and 120 DAP respectively under Ludhiana conditions and similarly, by 11.3 and 20.2% respectively at other prescribed location.
Shelf life evaluation of processed Assam lemon (Citrus limon Burm) juice
Present investigation was carried out to evaluate the shelf life based on the microbial and sensory analysis of processed Assam lemon juice subjected to treatments like pasteurization and addition of KMS. The processed juices were stored in refrigerated conditions and subjected to microbial evaluation every 15 days. The result showed that the untreated juices were spoiled just after 90 days whereas the samples given a combination of pasteurization and KMS treatment remained within microbial permissible limit for 180 days in ripe Assam lemon juice giving the best results. However, the matured juice was discarded after 165 days due to exceeding of microbial permissible limit. Sensory results suggested superior quality and stability of pasteurized and KMS treated juices in terms of colour, taste and overall acceptability suggesting that mature and ripe Assam lemon juice samples treated with a combination treatment of heat and chemical preservatives can be stored for a period of 180 days in refrigerated conditions.
Field studies of crop geometry and nitrogen application on growth and yield of peppermint (Mentha Piperita L.)
Peppermint (Mentha piperita L.) is mainly cultivated during the spring season for its medicinal and quality uses. The present investigation was planned to evaluate the row spacing and nitrogen application rate to ensure potential herbage yield and superior quality essential oil. The experiment was laid out in split plot design at two locations (Ludhiana and Bathinda) keeping combinations of Two varieties (Local and Kukrail) and three row spacing (30 cm, 45 cm and 60 cm) in main plots and four nitrogen levels (0, 50, 75 and 100 kg/ha N) in sub plots. The Kukrail variety performed significantly better than Local variety in terms of plant height, stool count, leaf area index resulting in 7.47 % and 7.69 % higher herbage yield at Ludhiana and Bathinda, respectively. Planting of peppermint at 45 cm row spacing produced significantly higher growth parameters like plant height, dry matter and fresh herb yield than 30 cm while the differences between 45 and 60 cm were non-significant. Also, the application of 75 kg/ha N produced significantly higher herb and oil yield than 0 kg/ha N and 50 kg/ha N while the response beyond 75 kg/ha N was non-significant at both the locations.