Consulta: subject:"Biology" Registros recuperados: 2.335 Data/hora
... Autores: Juan Pablo Martinez-Soriano; Katia Avina-Padilla. Maize is the essential crop of the Americas. Maize appeared suddenly about 8,500 years ago as domesticated teosinte; however, there is no evidence (genetical, archaeological, linguistic or ethnobotanical) able to support a gradual transforma ...
... Autores: Juan Pablo Martinez-Soriano; Katia Avina-Padilla. Maize is the essential crop of the Americas. Maize appeared suddenly about 8,500 years ago as domesticated teosinte; however, there is no evidence (genetical, archaeological, linguistic or ethnobotanical) able to support a gradual transforma ...
Consulta: subject:"Biology" Registros recuperados: 2.335 Data/hora
... Autores: Juan Pablo Martinez-Soriano; Katia Avina-Padilla. Maize is the essential crop of the Americas. Maize appeared suddenly about 8,500 years ago as domesticated teosinte; however, there is no evidence (genetical, archaeological, linguistic or ethnobotanical) able to support a gradual transforma ...
... Autores: Juan Pablo Martinez-Soriano; Katia Avina-Padilla. Maize is the essential crop of the Americas. Maize appeared suddenly about 8,500 years ago as domesticated teosinte; however, there is no evidence (genetical, archaeological, linguistic or ethnobotanical) able to support a gradual transforma ...
Consulta: subject:"Biology" Registros recuperados: 2.335 Data/hora
... Autores: Juan Pablo Martinez-Soriano; Katia Avina-Padilla. Maize is the essential crop of the Americas. Maize appeared suddenly about 8,500 years ago as domesticated teosinte; however, there is no evidence (genetical, archaeological, linguistic or ethnobotanical) able to support a gradual transforma ...
... Autores: Juan Pablo Martinez-Soriano; Katia Avina-Padilla. Maize is the essential crop of the Americas. Maize appeared suddenly about 8,500 years ago as domesticated teosinte; however, there is no evidence (genetical, archaeological, linguistic or ethnobotanical) able to support a gradual transforma ...
Effects of Drought on Forests and Rangelands in the United States
... Information System (NIDIS) and the National Climate Assessment (NCA), and it establishes the scientific foundation needed to manage for drought resilience and adaptation. Focal areas include drought characterization; drought impacts on forest processes and disturbances such as insect outbreaks and w ...
... Information System (NIDIS) and the National Climate Assessment (NCA), and it establishes the scientific foundation needed to manage for drought resilience and adaptation. Focal areas include drought characterization; drought impacts on forest processes and disturbances such as insect outbreaks and w ...
Establishing Ozone Critical Levels II, UNECE Workshop Report
... Gerzensee, Switzerland, 1999 (Fuhrer and Achermann, 1999). At the same workshop, the participants in the Working Group on Agricultural Crops were confident that the value could be used to illustrate the geographical extent of exceedance, but stated that the response function from which it was derive ...
... Gerzensee, Switzerland, 1999 (Fuhrer and Achermann, 1999). At the same workshop, the participants in the Working Group on Agricultural Crops were confident that the value could be used to illustrate the geographical extent of exceedance, but stated that the response function from which it was derive ...
Sugar Beet - van Veen Organics
... Water as a resource The sugar beet crop and water Water and physiology Defining the water status of plants and soils How plants regulate their water economy Plant responses to water deficit The root system and water uptake Water use by sugar beet Calculating evapotranspiration Rates of water consumpti ...
... Water as a resource The sugar beet crop and water Water and physiology Defining the water status of plants and soils How plants regulate their water economy Plant responses to water deficit The root system and water uptake Water use by sugar beet Calculating evapotranspiration Rates of water consumpti ...
Readinq Texts for Enqlish : ( Dispensa ) 2010
... above. The root of a plant has two main functions. It takes in, or absorbs, water and minerals from thè soil through thè root hairs, which are single cells near thè tip of each root. The other main function of thè root is to hold, or anchor, thè plant firmly in position in thè soil. Plants such as s ...
... above. The root of a plant has two main functions. It takes in, or absorbs, water and minerals from thè soil through thè root hairs, which are single cells near thè tip of each root. The other main function of thè root is to hold, or anchor, thè plant firmly in position in thè soil. Plants such as s ...
Plant Nematology - Fichier
... inclusive, appealing to workers from developing and developed countries. An excellent book, edited by John Southey entitled Plant Nematology, provided this type of information but is now very dated and has long been out of print. We have used the general format of Southey’s book as a template for th ...
... inclusive, appealing to workers from developing and developed countries. An excellent book, edited by John Southey entitled Plant Nematology, provided this type of information but is now very dated and has long been out of print. We have used the general format of Southey’s book as a template for th ...
Fusarium oxysporum endophytes cubense
... banana (Panama disease), is considered to be one of the most serious threats to banana production in the world. There is no effective control measure for Fusarium wilt, except for the replacement of susceptible with resistant banana varieties. However, resistant varieties are not always acceptable t ...
... banana (Panama disease), is considered to be one of the most serious threats to banana production in the world. There is no effective control measure for Fusarium wilt, except for the replacement of susceptible with resistant banana varieties. However, resistant varieties are not always acceptable t ...
Natural and Cultural History of Beargrass (Xerophyllum tenax)
... Beargrass is a herbaceous, rhizomatous plant with a perennial mass of narrow, long, basally clustered leaves (Hitchcock and Cronquist 1973). The plant can reproduce both vegetatively (by sprouting from the rhizome) and sexually (by flowering). The rhizome is a tuberous, semiwoody rootstock, 1 to 2 c ...
... Beargrass is a herbaceous, rhizomatous plant with a perennial mass of narrow, long, basally clustered leaves (Hitchcock and Cronquist 1973). The plant can reproduce both vegetatively (by sprouting from the rhizome) and sexually (by flowering). The rhizome is a tuberous, semiwoody rootstock, 1 to 2 c ...
RESPONSE OF POTATO TO PACLOBUTRAZOL AND MANIPULATION OF REPRODUCTIVE GROWTH UNDER
... ABSTRACT High temperature limit successful potato cultivation in the lowlands of tropical regions. One effect of high temperature may be an increase in gibberellin activity that is inhibitory to tuberization. Paclobutrazol blocks gibberellin biosynthesis and reduces its level in the plant. The effec ...
... ABSTRACT High temperature limit successful potato cultivation in the lowlands of tropical regions. One effect of high temperature may be an increase in gibberellin activity that is inhibitory to tuberization. Paclobutrazol blocks gibberellin biosynthesis and reduces its level in the plant. The effec ...
Management of Virus and Viroid Diseases of Crops in the
... community to use the pathogen-free seed for sowing purposes since large numbers of virus and virus-like diseases are transmitted through true seed/vegetative propagules which serve as the primary source of infection to cause epidemics in favorable agro-ecosystems. ...
... community to use the pathogen-free seed for sowing purposes since large numbers of virus and virus-like diseases are transmitted through true seed/vegetative propagules which serve as the primary source of infection to cause epidemics in favorable agro-ecosystems. ...
The Biology of Hordeum vulgare L. (barley)
... barley comes from more southern areas, such as South Australia and Victoria, due to climatic conditions (Sims 1990). Human Food Traditionally, barley was one of the dominant food grains, but has been surpassed by rice and wheat in many countries. Barley is still an important food grain in several re ...
... barley comes from more southern areas, such as South Australia and Victoria, due to climatic conditions (Sims 1990). Human Food Traditionally, barley was one of the dominant food grains, but has been surpassed by rice and wheat in many countries. Barley is still an important food grain in several re ...
perseus
... trials include GM traits that target enhancing and securing yield and the first products are nearing market introduction. In the USA, Canada, the EU, Australia, New Zealand and the Philippines Monsanto has submitted a dossier for commercialization of the first drought tolerant maize that was develop ...
... trials include GM traits that target enhancing and securing yield and the first products are nearing market introduction. In the USA, Canada, the EU, Australia, New Zealand and the Philippines Monsanto has submitted a dossier for commercialization of the first drought tolerant maize that was develop ...
this PDF file
... change, to name a few. Yet plant pathology is continuously challenged to maintain its identity and reaffirm an existence based on the needs of those who grow food and fiber. As the ever-increasing world population demands more to consume, we must respond with improved methods of disease control that ...
... change, to name a few. Yet plant pathology is continuously challenged to maintain its identity and reaffirm an existence based on the needs of those who grow food and fiber. As the ever-increasing world population demands more to consume, we must respond with improved methods of disease control that ...
Conservation of Vegetation in Africa South of the Sahara
... used by government departments and scientific in stitutes in the relevant country. In order to promote informed discussions at the symposium the bulk of the contributions were circulated as preprints before the meeting. The discussions have been summarized as far as possible from the abstracts subm ...
... used by government departments and scientific in stitutes in the relevant country. In order to promote informed discussions at the symposium the bulk of the contributions were circulated as preprints before the meeting. The discussions have been summarized as far as possible from the abstracts subm ...
Fungi in Ecosystem Processes John Dighton
... these nutrients come directly from mineral soil; however, much is recycled within the ecosystem. Nutrients that are locked up in plant and animal biomass become available to the saprotrophic community upon the death of the organism. The saprotrophic community, consisting largely of fungi and bacteri ...
... these nutrients come directly from mineral soil; however, much is recycled within the ecosystem. Nutrients that are locked up in plant and animal biomass become available to the saprotrophic community upon the death of the organism. The saprotrophic community, consisting largely of fungi and bacteri ...
Verticillium
... strafbar. Das gilt insbesondere für Vervielfältigungen, Übersetzungen, Mikroverfilmungen und die Einspeicherung und Verarbeitung in elektronischen Systemen. Die DPG gestattet die Vervielfältigung zum Zwecke der Ausbildung an Schulen und Universitäten. All rights reserved. No part of this publication ...
... strafbar. Das gilt insbesondere für Vervielfältigungen, Übersetzungen, Mikroverfilmungen und die Einspeicherung und Verarbeitung in elektronischen Systemen. Die DPG gestattet die Vervielfältigung zum Zwecke der Ausbildung an Schulen und Universitäten. All rights reserved. No part of this publication ...
DOCX version 3874 KB - Office of the Gene Technology Regulator
... wheat belt, with B. napus often grown as a break crop between cereal rotations. B. juncea, commonly known as Indian mustard (or rai) (OECD 2012) is cultivated worldwide as a condiment (mustard), oilseed or vegetable crop with the greatest commercial production occurring in India and Canada. In Austr ...
... wheat belt, with B. napus often grown as a break crop between cereal rotations. B. juncea, commonly known as Indian mustard (or rai) (OECD 2012) is cultivated worldwide as a condiment (mustard), oilseed or vegetable crop with the greatest commercial production occurring in India and Canada. In Austr ...
Get cached PDF
... in Canada provided much useful information on the status and distribution of the fringed gentian. Many of Cornell's faculty, research associates and staff gave me help and guidance. In particular I thank Dr. Karl Niklas, for investigating seed dispersal of the fringed gentian with me, Dr. Susan Riha ...
... in Canada provided much useful information on the status and distribution of the fringed gentian. Many of Cornell's faculty, research associates and staff gave me help and guidance. In particular I thank Dr. Karl Niklas, for investigating seed dispersal of the fringed gentian with me, Dr. Susan Riha ...
1.30. How likely is the pest to spread rapidly in the PRA area by
... Germany and the Netherlands from June to August and from Belgium June to September. uncertainty Supplies during the winter months are sourced from southern hemisphere countries, such as Argentina, Australia, Chile, New Zealand and South Africa, none of which have this particular pest (re:Fresh Direc ...
... Germany and the Netherlands from June to August and from Belgium June to September. uncertainty Supplies during the winter months are sourced from southern hemisphere countries, such as Argentina, Australia, Chile, New Zealand and South Africa, none of which have this particular pest (re:Fresh Direc ...
ICOM 8 Paper and Poster Abstracts
... Abstract: Grazing can alter abundance and diversity of arbuscular mycorrhizal (AM) fungi. We investigated how defoliation influenced mycorrhiza formation in relation to soil depth. Mycorrhizas were assessed in simulated pasture swards of ryegrass (Lolium rigidum cv. Wimmera) grown for six months in ...
... Abstract: Grazing can alter abundance and diversity of arbuscular mycorrhizal (AM) fungi. We investigated how defoliation influenced mycorrhiza formation in relation to soil depth. Mycorrhizas were assessed in simulated pasture swards of ryegrass (Lolium rigidum cv. Wimmera) grown for six months in ...
... presence of Alternaria alternata in the trials where potato leaves were inoculated with spore suspension isolated from black pit, and in the trials where tubers were inoculated with spores suspension isolated from brown spot. Description of lanes: 1, Hyper Ladder V; 2, leaves inoculated with black p ...
Nursery Industry Environmental and Technical Research and
... interconnected issues have been identified, discussed and included in this overarching RD&E project. Several tools were developed under this project including an online pest and disease ID tool. As part of this project, a series of new extension resources focussed on visual modes of communication we ...
... interconnected issues have been identified, discussed and included in this overarching RD&E project. Several tools were developed under this project including an online pest and disease ID tool. As part of this project, a series of new extension resources focussed on visual modes of communication we ...
Symposium abstracts - CREC Home Page
... to other pathogens were described. This led to the idea that the phenomenon of suppressiveness was linked to the presence of one or a limited number of microbial species antagonistic to the pathogens. Research efforts during the century led to the successful development of several schemes and cultur ...
... to other pathogens were described. This led to the idea that the phenomenon of suppressiveness was linked to the presence of one or a limited number of microbial species antagonistic to the pathogens. Research efforts during the century led to the successful development of several schemes and cultur ...