Genetic Improvement in Different Crop Plants using Induced Mutagenesis with Special Reference to Pulses and Cereals: A Review

2021 ◽  
Author(s):  
Shahnawaz Khursheed ◽  
Samiullah khan
Keyword(s):  
Environmental Changes ◽  
Root Nodules ◽  
Crop Productivity ◽  
Amino Acid Profile ◽  
Crop Plants ◽  
Chemical Mutagenesis ◽  
Food And Agriculture ◽  
The World ◽  
Per Capita ◽  
Physical And Chemical

Current world scenario of hunger and malnutrition problem is posing a great threat to the human civilization. Millions of people are undernourished globally according to the reports of Food and Agriculture Organization (FAO, 2015). Pulses and cereals have been used for their high percentage of proteins and carbohydrates in seeds. Pulse crops also have the ability to enrich the soil fertility due to their nitrogen fixing ability of their root nodules. Further, it is not only the high protein content of pulses for which they are important, but the amino acid profile of these proteins is such that the mixed diet of cereals and pulses has superior biological value than either of the components alone. However, with increase in population, per capita availability of pulses is getting reduced. As against recommended daily requirement of 50-60 grams, current per capita availability of pulses in India is less than 30 grams per day. India is the largest producer and consumer of pulses and depends mostly on pulses and cereals for their food. Urbanization and drastic climatic changes like drought, global warming, different environmental stresses etc. have led to considerable loss of crop productivity throughout the world leading to food insecurity. Scientists all over the world are using sophisticated approaches in developing improved varieties of crop plants that are high yielding and show considerable resistance to drastic environmental changes. Physical and chemical mutagenesis has been proved to be a convenient tool compared to other conventional processes in inducing desirable variability in crop plants related to yield and other components. In the light of above all, it is necessary for a scientist to study in detail the all aspects of different approaches that are used to increase the yield and productivity in different crop plants. The current review covers all aspects of study during the different approaches of physical and chemical mutagenesis for increasing food security and developing high yielding and stress resistant plants.

Food and Agriculture Organization

1956 ◽  
Vol 10 (3) ◽  
pp. 472-476 ◽  
Keyword(s):  
World War Ii ◽  
Agricultural Production ◽  
World War ◽  
Technical Developments ◽  
Food And Agriculture ◽  
Food And Agriculture Organization ◽  
Legal Questions ◽  
The World ◽  
Per Capita ◽  
The Right

The eighth session of the Conference of the Food and Agriculture Organization (FAO) was held in Rome from November 4 through 25, 1955 under the chairmanship of the Right Honorable K. J. Holyoake (New Zealand). The Conference had accepted the proposals submitted by the FAO Council on the organization of the eighth session, and consequently established various commissions to deal with agenda items pertaining to program trends and policy questions in food and agriculture, constitutional and legal questions, and administrative and financial questions. During its discussion of the world food and agricultural situation, the Conference noted that world per capita agricultural production, which had decreased by ten to fifteen percent at the end of World War II, had regained its pre-war level in spite of an increase of nearly 25 percent in population. However, agricultural production had increased more rapidly in advanced countries than in economically under-developed ones, so that per capita production in Asia and Latin America was still below pre-war levels, while surpluses had built up in the more advanced countries. The Conference felt that this situation was due to a failure to expand effective demand for farm products as rapidly as technical developments made it possible to expand production. Although the Conference noted that surplus agricultural commodities had increased more slowly in 1954–1955 than in the two preceding years, it felt that this had been due at least as much to poor crops in some countries as to increased consumption or to a planned reduction of output.

scholarly journals Induce Physical and Chemical Mutagenesis for Improvement of Yield Attributing Traits and their Correlation Analysis in Chickpea

2017 ◽  
Vol 61 ◽  
pp. 14-22 ◽  
Author(s):  
Aamir Raina ◽  
Rafiul Amin Laskar ◽  
Shahnawaz Khursheed ◽  
Samreen Khan ◽  
Kouser Parveen ◽  
...  
Keyword(s):  
Food Insecurity ◽  
Hydrazine Hydrate ◽  
Gamma Rays ◽  
Sodium Azide ◽  
Chemical Mutagenesis ◽  
Individual Treatment ◽  
Productivity Improvement ◽  
The World ◽  
Morphological Mutants ◽  
Physical And Chemical

In the current scenario of sky high population and widespread food insecurity, there is an urgent need for productivity improvement of major crops like pulses, one of the most climate friendly and accessible foods for the large poor population of the world. Chickpea is an important pulse crop, having high percentage of nutritional content and is widely used as food across the world. Induced mutagenesis has proved over time as a coherent tool for modern plant breeders to improve the productivity for combating the food insecurity and malnutrition across the globe. Dry and healthy seeds of Cicer arietinum L. var. C-235 were treated with individual and combination doses of gamma rays, sodium azide and hydrazine hydrate to raise the M1 generation. M2 seeds harvested from M1 plants were sown in the nest season.Bio-physiological study in M1 generation showed growth inhibition in the order viz. combination treatment>hydrazine hydrate>gamma rays>sodium azide. In M2 generation, comparative observations were recorded for morphological variation and quantitative traits to assess the genetic response of the chickpea variety C-235 toward the different concentrations of mutagens. Observations on isolated mutants in M2 generation revealed that 0.3% HZ + 0.02% SA was most mutagenic while 200 Gy, 0.03% SA and 0.2% HZ were highest in their individual treatment groups. In context to the frequency of morphological mutants studied in M2 generation, dwarf mutants were found to be highest followed by tall and branching pattern mutants. Highly significant correlation coefficient between yield and other traits showed that the selection for high yielding mutants can be done on the basis of these traits undoubtedly.

Food and Agriculture Organization

1962 ◽  
Vol 16 (3) ◽  
pp. 601-603 ◽  
Keyword(s):  
Population Growth ◽  
Normal Population ◽  
Far East ◽  
Mainland China ◽  
Sharp Drop ◽  
Food And Agriculture ◽  
Food And Agriculture Organization ◽  
The World ◽  
Per Capita ◽  
Capita Output

The annual report of the Food and Agriculture Organization (FAO) pointed out that estimates of the world total volume of agricultural production, excluding mainland China, showed an increase of only one percent in 1960–1961 over the previous year. This was less than the estimated normal population growth of 1.6 percent, although if the last two seasons were taken together, production would appear to have increased slightly faster than population. The main increases in production since 1958–1959 had been primarily in the more developed parts of the world, although in each of the less developed regions the prewar level of per capita output apparently had been reached or exceeded sometime during the postwar period. The Far East (excluding mainland China), where production per head has been the lowest in the world, was estimated to have reached the prewar level in i960. In Africa, in contrast, per capita food production returned to this prewar level soon after the war but appeared to have dropped below it in the year under review. Although Latin America had regained its prewar level between 1956 and 1959, its rapid population growth has caused a sharp drop in per capita output. In the Near East also, per capita production has deteriorated recently, although itremained much higher than before the war.

Searching for new Sources of growth. Are the Developing Countries Catching up with the Developed ones?

2015 ◽  
pp. 30-53
Author(s):  
V. Popov
Keyword(s):  
Developing Countries ◽  
Western Europe ◽  
Gdp Per Capita ◽  
The West ◽  
Catching Up ◽  
The Us ◽  
The World ◽  
Economic Divergence ◽  
Per Capita ◽  
Relative Standing

This paper examines the trajectory of growth in the Global South. Before the 1500s all countries were roughly at the same level of development, but from the 1500s Western countries started to grow faster than the rest of the world and PPP GDP per capita by 1950 in the US, the richest Western nation, was nearly 5 times higher than the world average and 2 times higher than in Western Europe. Since 1950 this ratio stabilized - not only Western Europe and Japan improved their relative standing in per capita income versus the US, but also East Asia, South Asia and some developing countries in other regions started to bridge the gap with the West. After nearly half of the millennium of growing economic divergence, the world seems to have entered the era of convergence. The factors behind these trends are analyzed; implications for the future and possible scenarios are considered.

Optimum Structure of the Banking Market: How Many Banks Are Necessary for Russia?

2006 ◽  
pp. 75-92 ◽  
Author(s):  
S. Moiseev
Keyword(s):  
Banking Sector ◽  
Optimum Structure ◽  
Population Number ◽  
The Third ◽  
Banking Market ◽  
The World ◽  
The Usa ◽  
Per Capita ◽  
The Empirical Analysis ◽  
Equilibrium Number

The number of classical banks in the world has reduced. In the majority of countries the number of banks does not exceed 200. The uniqueness of the Russian banking sector is that in this respect it takes the third place in the world after the USA and Germany. The paper reviews the conclusions of the economic theory about the optimum structure of the banking market. The empirical analysis shows that the number of banks in a country is influenced by the size of its territory, population number and GDP per capita. Our econometric estimate is that the equilibrium number of banks in Russia should be in a range of 180-220 units.

Dietary and living regimen of covid-19 with special reference to Ayurveda Varsha and Sharad Ritucharya

2020 ◽  
Vol 11 (SPL1) ◽  
pp. 758-762
Author(s):  
Amit Biswas ◽  
KunalChandankhede
Keyword(s):  
Environmental Changes ◽  
World Health ◽  
Human Beings ◽  
Dietary Regimen ◽  
Global Pandemic ◽  
The World ◽  
Health Organization ◽  
Disease Free ◽  
Individual Disease ◽  
Morbid Conditions

Wuhan originated Covid-19 disease is caused by SARC-COV 2 virus. It is a contagious disease it spread all over the world. World health organization declared a global pandemic disease. In Covid-19 immunity plays an important role. In old age people or having other co-morbid conditions the mortality rate is more. Ayurveda has a big role in improved immunity or to intact immunity. The principle of Ayurveda is to keep individual swastha (diseases free). To maintain individual disease-free Ritucharya is one of the important subjects of Ayurveda. Aimed of study is to find out Ritucharya literature from the Ayurveda and modern research specifically Varsha and Sharad ritu. Ritucharya contains dietary regimen, living modification, common medicine, and contraindicated things those changing according to environmental change. Upcoming season in India is Varsha and Sharad ritu. Environmental changes are huge in this season and it directly affected human beings. So this study reveals property of ritu, dietary regimen, living modification, common medicine and contraindicated things in upcoming varsha and sharad ritu.

Modern patterns of development of the communication and informatization sphere

2019 ◽  
pp. 14-19
Author(s):  
Maryna Demyanchuk
Keyword(s):  
Economic Development ◽  
Information And Communication Technologies ◽  
Communication Technologies ◽  
Economic Resource ◽  
Telecommunication Services ◽  
The World ◽  
Information And Communication ◽  
Per Capita ◽  
Ict Development ◽  
Telecommunications Services

Information and telecommunication services are currently a full-fledged resource for social development compared to traditional resources. The growth of the level of scientific and technological progress has led to the incredibly fast development paces in the sphere of information and communication technologies, which has a significant impact on the development of the economy. On the basis of a thorough analysis of the sectors of information and communication technologies and components of the ICT development index, the article substantiates the need for accelerated digitization of the majority of enterprises of different spheres of economic activity with the aim of qualitative development of Ukrainian economy in order to increase its competitiveness in the world. This is explained by the fact that information and technology represent the main economic resource in the period of formation of information society and digital economy, and enterprises of the sphere of communication and informatization are a catalyst for social and economic development of the country as a whole. Using a methodological toolkit of the theory of systematic and correlation-regression analysis, an economic-mathematical model of the development of the sphere of communication and informatization in the regions of the world and individual countries of the world is constructed. It is based on the existing pattern of leading development of the communications sector, but takes into account the degree of economy dependence on the ICT development, which in some regions and countries is 100%. This is due to the approaching mass availability of ICT services in some countries in these regions. On the basis of the constructed model, the forecasting of GDP PPP per capita was carried out, which showed faster rates of growth of the country’s economy with the growth of the development level of the sphere of communication and informatization and accessibility of telecommunication services. In turn, the availability of telecommunication services is influenced by the digital skills of society and the level of their prices, which has necessitated determining the dependence of GDP PPP per capita on prices for communication services of countries with varying degrees of socio-economic development. This makes it possible to identify reserves for improving the productivity of individuals while increasing the availability of telecommunications services.

scholarly journals Will We Soon Run Out of Water?

2021 ◽  
pp. 1-7
Author(s):  
Ghislain de Marsily
Keyword(s):  
Food Habits ◽  
Food Production ◽  
Meat Consumption ◽  
Good Health ◽  
World Population ◽  
Total Food ◽  
Food Deficit ◽  
The World ◽  
Average Water ◽  
Per Capita

In 2000, the World population was 6.2 billion; it reached 7 billion in 2012 and should reach 9.5 billion (±0.4) in 2050 and 11 billion (±1.5) in 2100, according to UN projections. The trend after 2100 is still one of global demographic growth, but after 2060, Africa would be the only continent where the population would still increase. The amount of water consumed annually to produce the food necessary to meet the needs varies greatly between countries, from about 600 to 2,500 m<sup>3</sup>/year per capita, depending on their wealth, their food habits (particularly meat consumption), and the percentage of food waste they generate. In 2000, the total food production was on the order of 3,300 million tons (in cereal equivalents). In 2019, about 0.8 billion inhabitants of the planet still suffer from hunger and do not get the nutrition they need to be in good health or, in the case of children, to grow properly (both physically and intellectually). Assuming a World average water consumption for food of 1,300 m<sup>3</sup>/year per capita in 2000, 1,400 m<sup>3</sup>/year in 2050, and 1,500 m<sup>3</sup>/year in 2100, a volume of water of around 8,200 km<sup>3</sup>/year was needed in 2000, 13,000 km<sup>3</sup>/year will be needed in 2050, and 16,500 km<sup>3</sup>/year in 2100. Will that much water be available on earth? Can there be conflicts related to a food deficit? Some preliminary answers and scenarios for food production will be given from a hydrologist viewpoint.

scholarly journals Role of Biochar in Improving Sandy Soil Water Retention and Resilience to Drought

Water ◽  
2021 ◽  
Vol 13 (4) ◽  
pp. 407
Author(s):  
Ling Li ◽  
Yong-Jiang Zhang ◽  
Abigayl Novak ◽  
Yingchao Yang ◽  
Jinwu Wang
Keyword(s):  
Climate Variability ◽  
Sandy Soil ◽  
Water Retention ◽  
Sandy Soils ◽  
Crop Productivity ◽  
Future Research ◽  
Soil Water Retention ◽  
The World ◽  
Water Holding

In recent years, plants in sandy soils have been impacted by increased climate variability due to weak water holding and temperature buffering capacities of the parent material. The projected impact spreads all over the world, including New England, USA. Many regions of the world may experience an increase in frequency and severity of drought, which can be attributed to an increased variability in precipitation and enhanced water loss due to warming. The overall benefits of biochar in environmental management have been extensively investigated. This review aims to discuss the water holding capacity of biochar from the points of view of fluid mechanics and propose several prioritized future research topics. To understand the impacts of biochar on sandy soils in-depth, sandy soil properties (surface area, pore size, water properties, and characteristics) and how biochar could improve the soil quality as well as plant growth, development, and yield are reviewed. Incorporating biochar into sandy soils could result in a net increase in the surface area, a stronger hydrophobicity at a lower temperature, and an increase in the micropores to maximize gap spaces. The capability of biochar in reducing fertilizer drainage through increasing water retention can improve crop productivity and reduce the nutrient leaching rate in agricultural practices. To advance research in biochar products and address the impacts of increasing climate variability, future research may focus on the role of biochar in enhancing soil water retention, plant water use efficiency, crop resistance to drought, and crop productivity.

Indifferent Sanctuary: German-Speaking Refugees and Exiles in Argentina, 1933-1945

1982 ◽  
Vol 24 (4) ◽  
pp. 395-420 ◽  
Author(s):  
Ronald C. Newton
Keyword(s):  
World War Ii ◽  
Total Population ◽  
World War ◽  
European Origin ◽  
World Crisis ◽  
Jewish Refugees ◽  
The World ◽  
German Speaking ◽  
Per Capita ◽  
Almost All

Between 1933 and the end of World War II, Argentina became the home of some 43,000 Jewish refugees from Nazism, almost all of them of German, Austrian, or West European origin. Measured against the country's total population, 13 million in 1931, 16 million according to the 1947 census, Argentina received more Jewish refugees per capita than any other country in the world except Palestine (Wasserstein, 1979: 7,45). This did not occur by design of the Argentine government; on the contrary, its immigration policies became interestingly restrictive as the years of the world crisis wore on.In practice, however, Argentina was unable to patrol effectively its long borders with the neighboring republics of Chile, Bolivia, Paraguay, Brazil, and Uruguay. The overseas consuls of these nations, especially the first three, did a brisk and lucrative trade in visas and entry permits for persons desperate to escape the Nazi terror.

Sign in / Sign up

Export Citation Format

Share Document