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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 (2024)
05 Sep 2024 (Vol - 55 , Issue- 09 )
30 Sep 2024 (Vol - 55 , Issue 09 )
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
Various physical aspects in Chrysanthemum cv. Zembla influenced using LED lights in a growth panel
LED technology has emerged as a recent trend in alternative lighting system in greenhouses as well as growth chambers for various horticultural crops. The experiment was conducted in CPCT-IARI (ICAR), New Delhi under a constructed growth panel system. Potted plants of Chrysanthemum morifolium cv. Zembla were used as an experimental crop. The lighting sources consisted of: Fluorescent light, LEDs (red, blue, white) and mixture of LEDs (80% red and 20% blue). The various LED sources had a significant impact on various physical parameters. The treatment with 80% red and 20% blue LED resulted in an overall increase in height, stem diameter, leaf area and number, and leaf area index. Whereas, least increase in plant height was observed with blue LED, Leaf area, number and leaf area index were observed to be minimum in white LEDs. This LED system can prove to be a beneficial investment in plant programing and to get greater stem length as desired by the cut flower market.
Impact of Nitrogen Fertilizer, Tillage Intensity, and Residue Management on Crop Productivity in Rice-Wheat Systems
The influence of tillage practices, residue management, and nitrogen fertilizer application on root properties and crop productivity was investigated in this study. Deep tillage (DT) at 45 cm depth versus shallow tillage (ST) at 15 cm depth were compared in main plots, while residue management strategies (Conventional tillage with residue (CT+R), Conventional tillage without residue (CT-R), Minimum tillage with residue (MT+R), and Minimum tillage without residue (MT-R)) and different levels of fertilizer-N application (75%, 100%, and 125% recommended) were tested in sub-plots and sub-subplots, respectively. Results indicated that tillage depth had no significant impact on the growth attributes and productivity of rice and wheat. However, conventional tillage (CT) with or without residue retention significantly increased rice grain yield compared to minimum tillage (MT). Wheat productivity was not significantly affected by tillage and residue management interactions. Application of 125% recommended fertilizer-N resulted in significantly higher yields for both rice and wheat compared to 75%, although it was statistically similar to 100%. Thus, it can be concluded that fertilizer-N management combined with residue retention under variable tillage intensity significantly influences crop productivity and root properties
Ecologically Sustainable Approaches for Mitigating Root Rot of Pea
The present investigation had been undertaken in the Department of Plant Pathology, College of Agriculture, CSK HPKV, Palampur during 2017-2019. The study identified Fusarium solani f. sp. pisi as the causative agent of pea root rot in the region. Pathogenicity tests revealed distinct symptoms, including blackening and maceration of roots, accompanied by leaf yellowing. Various disease management approaches were evaluated in vitro, with Vermicompost exhibiting the highest mycelial inhibition (36.7%) among composts. Trichoderma harzianum strain SMA-5 emerged as the most effective bioagent, displaying a 76.0% mycelial inhibition. Eupatorium adenophorum extracts showcased notable botanical efficacy (38.9% mycelial inhibition). Jeevamrit and Panchgavya proved potent among organic inputs, with Jeevamrit achieving complete mycelial inhibition at 8% concentration. For eco-friendly management module, soil amendment with Vermicompost @ 10 tonnes/ ha + chopped Eupatorium adenophorum leaves @ 20 tonnes/ ha and further seed treatment with Jeevamrit @ 5ml/ kg seed + Pseudomonas fluorescens @ 5ml/ kg seed + Trichoderma harzianum (SMA-5) @ 5g/ kg was found best against test pathogen with 60.87 % disease control.
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.