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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
25 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
Insecticidal mycotoxin strains as bio-weapon in insect pest management: A review
Insecticide opposition and the adverse consequences of chemical pesticides on non-target organisms have propelled scientists to materialize alternative eco-friendly strategies. Entomopathogenic fungi are successfully devoted as an alternative to chemical spokespeople in supervising agricultural insect nuisances. It has an integral role in an endurable pest management program. With the advent of next-generation sequencing technologies, many fungal genes have been identified that are potentially useful for treating oral infections. Contaminating species from Lepidoptera, Hemiptera, Coleoptera, and Diptera are diasporic fungi genera such as Beauveria, Lecanicillium, Metarhizium, and Isaria species. Fungal spores can enter an insect's body through several natural openings, including its mouth, respiratory system, integumentary system, antennae, reproductive appendages, anus, glands open on the outside body wall, and wounds. Insect cuticles are a noteworthy barricade against fungal sickness, and internal defense mechanisms following entomopathogenic fungus invasion are poorly understood. Infestation usually occurs by growing an appressoria hyphen on the epicuticle and penetrating the hypodermis. Moreover, we depicted the mycotoxins of full potential in insect integrated governance, assuming all the factors exploiting their virulence and what conditions need to be met to make them more virulent against insects with some opposition to familiar illnesses. Mycotoxins should be integrated with nanotechnology and used as bioweapons for pest control in the future.
Evaluation of per se performance of parents on grain yield and its component traits in rice (Oryza sativa L.)
Selection of parents based on per se performance and gca effects is of great relevance in breeding programme, in the event of the characters being under the complicated genetic control such as epistasis and linkage. Evaluation of parents based on per se performance and gca effects separately might lead to contradiction in selection of promising parents since per se performance of parents was not always associated with high gca effects [1]. Combination of both per se performance and gca effects would be able to identify parents with good reservoir of superior genes. So, the parents were evaluated for high per se performance as well as for high gca effects together. Considering the trait single plant yield the lines ACK 09009, IR 8 and CO 43 showed desirable gca effects combined with high per se performance. Along with high per se performance and good combining ability for yield the line IR 8 was also found to be good for grains per panicle, grain weight and plant height. The line ACK 09009 recorded high per se performance and gca effects for number of productive tillers per plant and panicle length along with yield. The line CO 43 which was found to possess desirable per se performance along with gca effects for yield exhibited the same trend for the traits grains per panicle. Among the testers ASD 16 recorded desirable per se performance along with significant gca effects for yield.
Development and characterization of saline tolerant mutants through in-vitro mutagenesis in rice (Oryza sativa L.)
The present investigation was conducted to develop mutants of rice varieties namely ADT43 and Kalinga for salt tolerance through in-vitro mutagenesis. The embryonic calli were produced and were treated with different doses of gamma irradiations and EMS concentrations and untreated calli was maintained for control. LD50 value of both the mutagen treated calli was found and the mutated calli of the two varieties were transferred to the media with optimum EC level. It was observed that the survival response of both gamma irradiated and EMS treated calli decreased under the optimum EC level. The rice cultivar ADT 43 recorded the maximum survival percentage of 32% at 30 Gy and 30% at 0.05% EMS under the optimum EC 10 dS/m, while the cultivar Kalinga recorded the maximum survival percentage of 28% at 20 Gy and 15% at 0.01% EMS under the optimum EC 10.3 dS/m. The in-vitro regenerated plantlets of ADT 43 and Kalinga obtained after in-vitro mutation were screened at the optimum EC level of the respective cultivars. After critical evaluation, the survived salt tolerant plants of M1 were forwarded to M2 where selection was made and identified six mutant lines viz., A-M2-15-1, A-M2-15-2, A-M2-15, K-M2-5-1, K-M2-5-2 and K-M2-5-3 from ADT 43 and Kalinga which exhibited better performance in biometrical observations and biochemical parameters like proline content, chlorophyll content, Na+/K+ ratio, APX activity, and SOD activity.
Population Dynamics and food security in Nigeria
According to the available food security statistics, it is shown that food insecurity is prevalent in Nigeria and putting in view the rising world population, this food insecurity is a phenomenon that threatens the world at large. Therefore, the examination of the effect of population dynamics on food availability as a measure of food security in Nigeria is the purpose of this paper. My datasets were gotten from the World Development Index (WDI) for the year 2021, from which data relevant to my work from the year 2001 to 2020 were extracted for analysis. The independent variables were Dependent population, Birth Rate and Death Rate while the dependent variable Food Security is represented by Food Availability. A descriptive analysis was done to get the nature of my datasets after which a stationarity test was ran. An ARDL test was used to analyse the data after the optimal lag length criteria had been determined. Also, a bound test was carried out to determine the relationship between the variables in the long-run. The ARDL result showed that an indirect relationship between the dependent variable (FA) and independent variables BR and DR was observed and LNDEP had a positive relationship with the dependent variable. The R-Squared gotten was 0.99 and there exists a long-run relationship between all variables according to the Bound test. The recommendation of the study, based on this finding, is that a system that puts a check on birth rate and encourages the youths and young adults to participate in agriculture should be put in place.
Does Population expansion motivate food inadequacy in Nigeria? Empirical review
Population expansion and food inadequacy have remained a major concern for developing nations in the world. Therefore, this study examined the effect of population growth rate on food availability in Nigeria. A descriptive analysis was done to determine the nature of the datasets after which a stationarity test was carried out which showed all variables stationary at level. The OLS method of regression analysis was employed. The result showed that an indirect and insignificant relationship exists between the dependent variable; food availability (FA) and independent variable; population growth (PGR). However, control variables, employment in agriculture (EIA), and agricultural raw materials imported (ARI) are significant and negatively related to food availability. It was also observed that only arable land (AL) has a positively significant relationship with food availability. The implication of this is that emphasis should be placed more on improving production of food i.e., food availability through policies and awareness and various empowerment schemes that encourage large scale farming and not emphasis or blame population growth for food unavailability.