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WOS Indexed (2024)
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. Lizi Jiaohuan Yu Xifu/Ion Exchange and Adsorption Fa yi xue za zhi
18 Apr 2024 (Vol - 55 , Issue- 04 )
30 Apr 2024 (Vol - 55 , Issue 04 )
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
Analysis of Population Structure and Genetic Diversity in Rice (Oryza sativa L.) Germplasm using SSR Markers
Four hundred eighty four rice germplasm were characterized using41 microsatellite markers that cover the whole genome to assess the genetic diversity. The degree of polymorphism was detected by calculating PIC values, allelic frequency and genetic diversity was calculated. The mean value of major allele frequency was observed to be 0.33 and varied from 0.23 (RM26) to 0.66 (RM125). The polymorphism information content of 41 markers varied from 0.48 (RM125) to 0.80 (RM324) with an average of 0.71.The average gene diversity was observed to be 0.75 and varied from 0.51 (RM125) to 0.83 (RM324).Phylogenetic cluster analysis of the SSR data based on distance divided all genotypes into three groups (I, II and III), whereas model based clustering method divided these genotypes in to three groups (SP1, SP2 and SP3) However, the result from both the analysis is in well agreement with each other for clustering on the basis of diverse nature of selected germplasm.
Simulation And Test Study on Air-Suction Hill-Drop Seed-Metering Device for Small Grain Crops
At present, precision sowing of small grain crops is a difficult problem, millet is a representative crop. An air-suction precision hill-drop seed-metering device was designed to seed coated millet to solve the problem of the seed-suction hill blockage and seed damage. Three seed-metering device models with different diameter hills 1.6, 1.8, and 2.0 mm were simulated and calculated by ANSYS FLUENT. The comparative analysis of the pressure nephogram and the airflow velocity vector illustration. The results showed that the airflow field of the seed-metering device with a 1.6 mm diameter hill was beneficial to the stability and uniformity of sucking and planting seeds. The main structure and operation parameters in terms of negative pressure in the air chamber, rotation speed of the seed-metering device, and diameter of seed-suction hill were determined by theoretical analysis. Orthogonal test was carried out through the JPS-12 seed metering device test bench, the coated millet variety 8311-14 was selected as the test object. The qualified index of seeds number per hill, qualified index of hill spacing, index of empty hill, and coefficient of variation for hill spacing were chosen for evaluating the working performance. The results of orthogonal test showed that, the diameter of seed-suction hill was 2.0 mm, the negative pressure was -0.8 kPa, the rotation speed of the seed- metering device was 30 r/min. What’s more, a regression model based on the orthogonal test results was established, qualified index of seeds number per hill was 86.67%, qualified index of hill spacing was 89.33%, index of empty hill was 1.33%, and coefficient of variation for hill spacing was 13.74%. Notably, the working performances of the device can meet the requirement of precision hill-drop of millet seed.
Post-Harvest Screening of Pearlmillet, Pennisetum glaucum (Linn.) R. Br. Emend Stuntz.Varieties against Rice Moth, Corcyra cephalonica Staint.
Ten varieties of pearlmillet (RHB-173, RHB-177, MPMH-17, HHB-67, Pro Agro-9450, Pro Agro-9001, Pioneer 86 m 86, Pioneer 86 m 84, Pioneer 86 m 38 and Raj-171.) were evaluated for reaction to Corcyra cephalonicaStaint in the laboratory conditions. The adult emergence (F1), weight losses and susceptibility index in these varieties were ranged from 9.33-32.00, 10.44-31.69% and 2.77-6.82, respectively, the minimum in Pioneer 86 m 86 and maximum in Raj-171; other varieties were in the middle order. The seed damage recorded in different varieties ranged from 23.67-75.84%, the minimum in Pioneer 86 m 86 (23.67%), Pro Agro-9450 (25.55%) and Pro Agro-9001 (28.33%); these treatments were found at par each other. The Raj-171 was badly infested (75.84% grain damage), which differed significantly over other varieties. The developmental period of the pest varied from 50.88-80.61 days in different varieties, minimum being in Raj-171 and maximum in Pioneer 86 m 86.
Effect of Irrigation Water Levels on plant Growth and Spike Quality of Asiatic Lily cv. Indian Diamond
The demand of cut flowers was increased day by day. Asiatic lily has great potential to fulfill the demand of consumers worldwide. For completion of cut flower demand we have to need determine the optimum amount of irrigation water for better plant growth and spike quality of Asiatic lily. In this study, three different amounts of irrigation water i.e. 1.0V, 0.8V, and 0.6V was applied through drip irrigation system based on daily Pan Evaporation and Control. In control the irrigation was applied at temporary wilting point through traditional irrigation method. The results revealed that the plant growth and spike quality was found superior with the irrigation amount 1.0V (i.e.100 percent amount of irrigation water applied through drip irrigation method) followed by 0.8V (i.e.80 percent amount of irrigation water applied through drip irrigation method) as compared 0.6V (i.e. 60 percent amount of irrigation water applied through drip irrigation method). However, the inferior quality of spike was observed in 0.6V of irrigation water applied through drip irrigation method and traditional irrigation method (i.e. Flood irrigation method).
Dissecting of Simple Sequence Repeat Polymorphism in The Indian Wheat Genotypes
A total of 93 allele was amplified with Each primer thus produced on an average 5.16 polymorphic bands and The number of alleles per locus ranged from 2 to 11. The polymorphism index content (PIC) value varied from 0.17 to 0.805 with an average of 0.680. SSR markers performed well in the detection of genetic diversity and maintaining wheat genetic diversity can be recommended for future wheat improvement program. Genomic DNA was extracted from different 33 thirty three wheat genotypes using CTAB procedure using 18 SSR markers primers. SSR molecular markers performed well for detection of genetic diversity, and amplified Matrix similarity of genotypes was calculated by using NTSYSpc.2.1 with Sanh-clustering using the UPGMA (Unweighted Paired Group Method Using Arithmetic Averages) method. The main aim of current study were to Dissecting of the genetic polymorphism, level of genetic diversity, genetic relationship, selection of efficient highly diverse parents, maintenance of germplasm, identification of putative and informativeness SSR markers can be recommended for developing road map for efficient selection and future crop improvement program.