scholarly journals Helping Reforestation in Southeast Asia – The ASEAN-Canada Forest Tree Seed Centre Project

1990 ◽  
Vol 66 (3) ◽  
pp. 246-249 ◽  
Author(s):  
A. B. Case ◽  
B. S. P. Wang
Keyword(s):  
Southeast Asia ◽  
Forest Tree ◽  
Second Phase ◽  
High Quality ◽  
Tropical Regions ◽  
Planting Material ◽  
High Quality Seed ◽  
Operational Quantities ◽  
Cooperative Venture ◽  
Tree Seed

The ASEAN-Canada Forest Tree Seed Centre Project is a key development initiative by Canada in addressing the growing deforestation problems in tropical regions. The Centre was established in 1981 as a cooperative venture between Canada and the Association of Southeast Asian Nations to help overcome difficulties in acquiring and producing operational quantities of high quality seed and planting material for regional reforestation programs. The Project entered its second phase in 1989 under the direction of Forestry Canada, Petawawa National Forestry Institute. Phase II of the Project is described in terms of Canada's inputs and the anticipated outputs over the 6-year period, 1989–1995.

scholarly journals Technology and mechanization of cultivation of Jerusalem artichoke healthier 

2018 ◽  
Vol 64 (No. 3) ◽  
pp. 151-156 ◽  
Author(s):  
Starovoitov Viktor I ◽  
Starovoitova Oksana A ◽  
Aldoshin Nikolay ◽  
Manokhina Aleksandra А
Keyword(s):  
Seed Production ◽  
Jerusalem Artichoke ◽  
Dry Weight ◽  
High Quality ◽  
Rapid Multiplication ◽  
Planting Material ◽  
Mass Reproduction ◽  
High Quality Seed ◽  
The Cost

erusalem artichoke (Helianthus tuberosum L.) is a promising bioenergy multi-purpose crop. The Jerusalem artichoke is a valuable culture that is a source of inulin, fructose and pectin. Green mass of the Jerusalem artichoke has a high content of complex carbohydrate (fructose, glucose, sucrose, etc.) in the dry weight of the plant contain up to 17% protein with a balanced amino acid composition. Biotechnological methods are firmly established in plant growing practice and are widely used for rapid multiplication and obtaining healthy planting material of many economically important crops. The technology of micro clonal propagation “in vitro” has great importance for the development of seed production of Jerusalem artichoke and obtain sufficient quantity of high quality planting material. Formed innovative scheme of sequential technological process of seed production of Jerusalem artichoke includes the production of original seed material “in vitro” Jerusalem artichoke, mass reproduction by aero hydroponic installations, and the rationale based on research of the technology of growing high-quality seed of Jerusalem artichoke. It was found that at cultivation of minitubers of micro plants in aero hydroponic installation compared to farming by traditional technology, the cost of one minituber decreased by 9.58 RUB.

scholarly journals Forest Tree Seed Directory

Nature ◽  
1962 ◽  
Vol 195 (4841) ◽  
pp. 545-545
Keyword(s):  
Forest Tree ◽  
Tree Seed

scholarly journals Seed research for improved technologies

1998 ◽  
Vol 55 (spe) ◽  
pp. 19-26 ◽  
Author(s):  
R.J. Bino ◽  
H. Jalink ◽  
M.O. Oluoch ◽  
S.P.C. Groot
Keyword(s):  
Cell Cycle ◽  
Cell Proliferation ◽  
Quality Assurance ◽  
Seed Germination ◽  
Seed Quality ◽  
Molecular Level ◽  
Control Mechanisms ◽  
High Quality ◽  
Production Chain ◽  
High Quality Seed

The production of high-quality seed is the basis for a durable a profitable agriculture. After production, seed is processed, conditioned, stored, shipped and germinated. For quality assurance, seed quality has to be controlled at all steps of the production chain. Seed functioning is accompanied by programmed transitions from cell proliferation to quiescence upon maturation and from quiescence to reinitiation of cellular metabolism upon imbibition. Despite the obvious importance of these control mechanisms, very little information is available at the molecular level concerning those elements that regulate seed germination. In the present study, the induction of cell cycle activity and the regulation of ß-tubulin expression is related to the water content and other physical properties of the seed.

scholarly journals Improving the Mechanization of High-Quality Seed Production

2018 ◽  
Author(s):  
Vladimir Ivanovich Orobinsky ◽  
Alexander Pavlovich Tarasenko ◽  
Aleksey Mikhailovich Gievsky ◽  
Aleksey Viktorovich Chernyshov ◽  
Ivan Vasilyevich Baskhakov
Keyword(s):  
Seed Production ◽  
High Quality ◽  
High Quality Seed

Getting Trees Into Farmers’ Fields: Success of Rural Nurseries in Distributing High Quality Planting Material in Cameroon

2012 ◽  
Vol 12 (3) ◽  
pp. 403-420 ◽  
Author(s):  
Ann Degrande ◽  
Patrick Tadjo ◽  
Bertin Takoutsing ◽  
Ebenezar Asaah ◽  
Alain Tsobeng ◽  
...  
Keyword(s):  
High Quality ◽  
Planting Material

scholarly journals DEVELOPMENT OF FIELD CROP SEED PRODUCTION IN RUSSIA

2020 ◽  
Vol 8 (3) ◽  
pp. 81-85
Author(s):  
Artem Lukomec
Keyword(s):  
Food Security ◽  
Seed Production ◽  
Production System ◽  
Selection Process ◽  
Biological Properties ◽  
Field Crop ◽  
High Quality ◽  
Main Condition ◽  
Field Crops ◽  
High Quality Seed

Seed production of field crops plays a key role in ensuring food security of the country and is a continuation of the selection process, a necessary link for the development and maintenance of the variety. In seed production, the main object is a variety that is genetically close to each other a certain group of plants, homogeneous in morphological and biological properties. The finish of high-quality seed production is seeds with good varietal and sowing qualities. The main condition for effective production of field crops is a well-established seed production system, which is a set of functionally interconnected structures engaged in the production of elite and reproductive seeds. Seed production of field crops solves two main tasks: variety exchange and variety renewal. When a variety is changed, one zoned variety is replaced by another with more valuable economic characteristics. During variety renewal, varietal seeds in farms are replaced with seeds of the same varieties, but of higher reproductions. Usually, seeds for cereals and legumes are updated every 3-4 years, for millet - every 2 years, for sunflower - annually. The main goal of seed production of field crops is to maintain a set of characteristics of the variety, its most valuable qualities and economic indicators.

Evaluation of spring soft wheat varieties and zonal features of seed production in the Altai Territory

2021 ◽  
pp. 54-71
Author(s):  
S. V. Zharkova ◽  
E. I. Dvornikova
Keyword(s):  
Seed Production ◽  
Field Studies ◽  
Quality Parameters ◽  
Scientific Data ◽  
Soft Wheat ◽  
Forage Crops ◽  
High Quality ◽  
Wheat Varieties ◽  
Spring Soft Wheat ◽  
High Quality Seed

One of the leading grain crops in Russia is spring wheat. This is a strategic food crop of our country; it is also an important component in the structure of forage crops for monogastric animals, such as pigs and poultry. The purpose of the research was to evaluate spring soft wheat varieties of different maturity groups in order to identify genotypes as the starting material for obtaining varieties adapted to the cultivation zones, and to determine the areas optimal for the production of grain for seed purposes with high quality indicators. Field studies have been carried out in three ecologically different zones: the Priobskaya zone, the Prialtaiskaya zone, and the Prisalairskaya zone. Under the conditions of the Altai Territory, genetic sources of spring soft wheat have been identifi ed for different soil and climatic parameters of the study zones, the use of which will allow obtaining high-yielding varieties with high quality grain for specific cultivation conditions. The variability of the indicators of the characteristics of varieties in three ecologically different zones has been determined. The indicators of adaptability and stability of spring soft wheat varieties in different zones of cultivation have been determined. The optimal zones for conducting breeding work and seed production of varieties have been identifi ed. New scientific data on the quality parameters of seed grain in various agro-climatic zones of the Altai Territory have been obtained. The share of the contribution of the factors “variety”, “year”, “environment” to the variability of grain quality characteristics has been established. The economic efficiency of cultivating varieties of spring soft wheat for the production of high-quality seed grain has been determined.

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