1449404 DE90004412/XAB Biotechnology in biomass crop production: The relationship of biomass production and plant genetic engineering

1990 ◽  
Vol 8 (3) ◽  
pp. 678-679

This study is majorly concentrated on the various agricultural subsectors in Nigeria, how the subsectors has influenced the economic growth of Nigeria using econometric procedure to estimate the parameters of the model, and also the various shortcomings encountered by the agricultural subsectors in Nigeria and possible solutions. It also emphasize on the sector that has been abandoned, whereas, the growing recognition is directed toward the major resources (crude oil) which generated diminishing returns in agriculture contributions in regards to the economic growth in Nigeria. Moreover, the paper emphasized on the relationship of agricultural sub-sectors with Gross Domestic Product (GDP) which the sub-sectors entails crop production, fishery, livestock and forestry. The Intention of this research presents the conclusion that the agricultural part is a concrete sector of the economy and cannot be underrated or trivialized seeing that agricultural sector output is important to economic activities in Nigeria. Therefore, the general growth of the country’s economy depends on the progress of agriculture. If there’s availability of credit facility to the agricultural sector, it will enhance the boosting of the country’s GDP and thereby causing growth in the economy. An additional objective of this paper attempts to carry maximum value for public officials and legislators


Author(s):  
Pavel Lavrukhin ◽  
Sergey Senkevich ◽  
Pavel Ivanov

Any harvest is primarily the realization of the potential productivity of plants in certain conditions, depending on the parameters and operating modes of the sowing machine. The result of the operation of mechanized sowing will be the parameters of the nutrition area of each plant is the shape and numerical value of these area. The resulting schemes of plant placement on the field correspond to certain characteristics and parameters of the areas of plant nutrition, determining the availability of all elements of mineral nutrition, photosynthetically active radiation, and the relationship of units of agrophytocenosis. This is one of the decisive conditions for the harvest. The development of theoretical ideas about the uniformity of plant placement and the use of appropriate criteria and characteristics will create the necessary understanding of the role of the sowing machines in crop production during cultivated plants in the framework of mechanized technology.


2000 ◽  
Vol 19 (3) ◽  
pp. 317-329
Author(s):  
Peter Ulrich Hein ◽  
Maria Eva Hein

2021 ◽  
Vol 6 (2) ◽  
pp. 23-28
Author(s):  
Dmytro Shyian ◽  
Nataliia Ulianchenko ◽  
Kateryna Honcharova

The introductory part emphasizes that since 2004, Ukrainian agriculture has gradually begun to crank up production. This is largely associated with the growth of crop production, including sunflower. During 2004–2020, gross sunflower yield increased by 3.1 times, and yield capacity – more than double. Research methods involve grouping a complex of agricultural enterprises following the cost value per 1 ha of the sown area and sunflower yield. To classify the enterprises according to the level of innovative production, the authors have put forward a method for determining the coefficient of innovation. The object of the study comprises the agricultural enterprises of Kharkiv region. The results of grouping following yield rate have made it possible to establish a direct dependence between the cost value and sunflower yield. In a group of enterprises with an average yield of up to 15 centners/ha, costs amounted to 9653 UAH / ha; in a group with a yield of 25.1–30 centners/ha – 14860 UAH/ha; with a yield of more than 45 centners/ha – 27518 UAH/ha. It has also been found that an increase in the rate of sunflower yield by 1 centner leads to an average profit increase of 307.9 UAH/ha. The grouping of enterprises by the level of costs per 1 sown area of sunflower has made it possible to assume that the nature of the relationship of a grouping indicator with profit margin is characterized by a nonlinear function. It has been determined that this function has a maximum when the cost increases by 16960 UAH/ha and the amount of profit – by 6199 UAH/ha. The paper has also marked that under such cost value, the value of sunflower yield should be equal to 29.8 centners/ha. The practical approval of the methodological approach to determining the coefficient of innovative development of sunflower production has shown that this indicator objectively conveys the rate of use of innovations in the manufacturing process. Enterprises that had a coefficient of innovative development above 1 were characterized by a much higher level of yield, profitability, and production intensity.


Buletin Palma ◽  
2018 ◽  
Vol 19 (1) ◽  
pp. 15
Author(s):  
NFN Miftahorrachman ◽  
Firman Mantau ◽  
Dina Hervina

<h4> </h4><p>Evaluation of morphological characters that directly affect the yield is the first step in genetic improvement of areca nut requiring knowledge of the relationship of morphological characters especially production. Morphological characters that are affected directly to yield will be utilized as a basis for selection to increase crop production. The aim of this research is to know morphological characters that directly influence the number of fruits per bunchas the basis of selection for plant improvement. The research was conducted in Korong Koto Padang and Korong Toboh, Nagari Sikucua, V Koto Kampung Dalam District, Padang Pariaman District, West Sumatera Province in December 2017. The result of path analysis indicated that character of girth (r = 0,4190), number of bunches (r = 0,4488), equatorial length of fruit (r = 0,8420), kernel weight (r = 0,5451), equatorial length of kernel (r = 0,6785), and polar length of kernel (r = 0,8443) has a direct effect on fruit production of Local arecanut. For Wangi arecanut only obtained one character that is equatorial length of fruit (r = 0.4984) that directly affect fruit production. The variety of appearance of Local areca nut characters leads to greater selection opportunities compared to Wangi arecanut.The research showed that for Local areca nut, the character of girth, number of bunches, equatorial length of whole fruit, kernel weight, equatorial length of kernel, and polar length of kernel can be used as the selection for the production, while for Wangi arecanut only characters of equatorial length of fruit can be used as the basis of selection.</p><p><strong>ABSTRAK</strong></p><p>Perbaikan genetik Pinang membutuhkan pengetahuan tentang hubungan karakter morfologi terutama dengan produksi. Penelitian bertujuan untuk mencari karakter-karakter morfologi yang berpengaruh secara langsung terhadap jumlah buah per tandan untuk dijadikan dasar seleksi bagi perbaikan tanaman. Penelitian dilakukan di Korong Koto Padang dan Korong Toboh, Nagari Sikucua, Kecamatan V Koto Kampung Dalam, Kabupaten Padang Pariaman, Provinsi Sumatera Barat  pada bulan Desember Tahun 2017. Analisa sidik lintas antara sebelas  karakter morfologi dan komponen buah dengan jumlah buah menggunakan rumus dari Singh dan Chaudary. Hasil analisis sidik lintas diperoleh karakter Lingkar Batang (r = 0.4190) , Jumlah Tandan (r = 0.4488) , Panjang Equatorial Buah Utuh (r = 0.8420), Berat Kernel (r = 0.5451) ,  Panjang Equatorial Kernel (r = 0.6785), dan Panjang Polar Kernel (r = 0.8443) berpengaruh langsung terhadap produksi buah untuk pinang local. Pada Pinang Wangi hanya diperoleh satu karakter yaitu Panjang Equatorial Buah (r = 0.4984) yang berpengaruh langsung terhadap produksi buah. Manfaat hasil penelitian ini adalah karakter-karakter Lingkar Batang, Jumlah Tandan, Panjang Equatorial Buah Utuh, Berat kernel, Panjang Equatorial Kernel, dan Panjang Polar Kernel dapat dijadikan dasar seleksi untuk perbaikan produksi Pinang Lokal, sementara untuk Pinang Wangi hanya karakter Panjang Equatorial Buah Utuh yang dapat dijadikan dasar seleksi. </p><p> </p><p> </p>


2007 ◽  
Vol 62 (7-8) ◽  
pp. 583-591 ◽  
Author(s):  
Shihong Zhang ◽  
Yi Wei ◽  
Hongyu Pan

Freezing injury and disease are both restrictive factors in crop production. In order to improve the tolerance ability to these stresses, a better way is to carry out genetic engineering by transferring dualfunctional genes. A predicted rice antifreeze glycopeptide gene was purposefully selected from rice blast-induced cDNA library. Northern blot demonstrated that the gene is expressed not only in blast-infected rice leaves, but also in low temperature-treated rice. In addition, the expressed protein in Escherichia coli exhibits strong antifreeze activities. The gene was overexpressed in rice plants transformed via Agrobacterium tumefacient EHA105. Overall 112 T0 transformants were obtained in this research. Cold tolerance and disease resistance of T1 transformants were, respectively, investigated. The results showed that plants containing overexpressed transgene can withstand D1 ∞C for 24 h without severe chilling injury after thawed, and that disease symptoms of the parallel transformants are highly reduced in response to blast infection, when compared with controls. The relationship of the gene and several pathogenesis-related protein genes to be chosen was analyzed and discussed. All these results confirmed the dual role of the cloned gene, and implied that genetic engineering using this kind of gene is a promising method to reduce biotic and abiotic stresses


Author(s):  
G. K. Kurmanova ◽  
B. B. Sukhanberdina ◽  
A. A. Kim ◽  
B. A. Urazova

In the article, the authors consider the influence of production factors – labour, land, capital resources and entrepreneurial abilities on the example of the agricultural sector of the West Kazakhstan region. The purpose of the article is to analyze the main indicators of the state of the rural economy of the region in terms of available factors of production and the results of their use. The research is based on a systematic approach. The study period is 2015–2019. The production process is analyzed in the relationship of all factors, including the population indicators of the West Kazakhstan region, analysis of the labour force and connection between crop production and animal husbandry in the gross output of agricultural products. The state of fixed production assets and reproduction trends are revealed. The study of the assessment of regional factors of production actualizes the issue of the relationship of the agricultural complex, the achieved indicators, the forecast development with the availability of natural, capital, and human resources.The West Kazakhstan region has significant agricultural resources, which allows to realize the potential of the region due to the multiplicative stimulating effect.


Paleobiology ◽  
1980 ◽  
Vol 6 (02) ◽  
pp. 146-160 ◽  
Author(s):  
William A. Oliver

The Mesozoic-Cenozoic coral Order Scleractinia has been suggested to have originated or evolved (1) by direct descent from the Paleozoic Order Rugosa or (2) by the development of a skeleton in members of one of the anemone groups that probably have existed throughout Phanerozoic time. In spite of much work on the subject, advocates of the direct descent hypothesis have failed to find convincing evidence of this relationship. Critical points are:(1) Rugosan septal insertion is serial; Scleractinian insertion is cyclic; no intermediate stages have been demonstrated. Apparent intermediates are Scleractinia having bilateral cyclic insertion or teratological Rugosa.(2) There is convincing evidence that the skeletons of many Rugosa were calcitic and none are known to be or to have been aragonitic. In contrast, the skeletons of all living Scleractinia are aragonitic and there is evidence that fossil Scleractinia were aragonitic also. The mineralogic difference is almost certainly due to intrinsic biologic factors.(3) No early Triassic corals of either group are known. This fact is not compelling (by itself) but is important in connection with points 1 and 2, because, given direct descent, both changes took place during this only stage in the history of the two groups in which there are no known corals.


Author(s):  
D. F. Blake ◽  
L. F. Allard ◽  
D. R. Peacor

Echinodermata is a phylum of marine invertebrates which has been extant since Cambrian time (c.a. 500 m.y. before the present). Modern examples of echinoderms include sea urchins, sea stars, and sea lilies (crinoids). The endoskeletons of echinoderms are composed of plates or ossicles (Fig. 1) which are with few exceptions, porous, single crystals of high-magnesian calcite. Despite their single crystal nature, fracture surfaces do not exhibit the near-perfect {10.4} cleavage characteristic of inorganic calcite. This paradoxical mix of biogenic and inorganic features has prompted much recent work on echinoderm skeletal crystallography. Furthermore, fossil echinoderm hard parts comprise a volumetrically significant portion of some marine limestones sequences. The ultrastructural and microchemical characterization of modern skeletal material should lend insight into: 1). The nature of the biogenic processes involved, for example, the relationship of Mg heterogeneity to morphological and structural features in modern echinoderm material, and 2). The nature of the diagenetic changes undergone by their ancient, fossilized counterparts. In this study, high resolution TEM (HRTEM), high voltage TEM (HVTEM), and STEM microanalysis are used to characterize tha ultrastructural and microchemical composition of skeletal elements of the modern crinoid Neocrinus blakei.


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