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Sunday, July 19, 2020 | History

1 edition of Dormancy and persistence of volunteer oilseed rape. found in the catalog.

Dormancy and persistence of volunteer oilseed rape.

Dormancy and persistence of volunteer oilseed rape.

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Published by Home-Grown Cereals Authority in London .
Written in English


Edition Notes

SeriesTopic sheet : Summer 1999 -- 24, Topic sheet -- 24.
ContributionsHome-Grown Cereals Authority.
The Physical Object
Pagination2p. :
ID Numbers
Open LibraryOL18129149M

Unfortunately, this book can't be printed from the OpenBook. If you need to print pages from this book, we recommend downloading it as a PDF. Visit to get more information about this book, to buy it in print, or to download it as a free PDF.   Introduction. Between and , global production of genetically modified (GM) crops increased from million hectares to over million hectares, and the number of countries in which GM crops are produced increased from six to 27 (James ).The vast majority of the GM crops consist of soybean, corn, cotton, and canola, although modified forms of other crops, such as alfalfa, Cited by: 9.

Likewise, the potential of rape seeds to persist in the soil and to emerge later as volunteers in following crops is mainly driven by the ability of the seeds to go into dormancy under certain soil conditions (Weber et al. ). Similarly, in cotton seeds, dormancy can be Cited by: 3. Some of the information in this book was borrowed from studies on grain corn, because of a dearth of studies on silage corn. For example, the sections on tillage practices and soil compaction (Section 3) are based largely on studies on grain corn production, which is somewhat unfortunate because of the large difference in amount of crop residue.

Oilseed rape (OSR) has one of the highest potential for gene flow through seed and pollen. Volunteer plants are one of the most important sources of contamination of OSR crop of different quality cultivars. The aim of this study was to estimate the abundance of soil seed bank after the harvest of high erucic (HE) cultivar Maplus and to determine biochemical and molecular characteristics of OSR. Titel Jahr Publikationsart Autoren ; Agronomic performance of new open pollinated experimental lines of broccoli (Brassica oleracea L. var. italica) PLoS ONE: Zeitschriften.


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Dormancy and persistence of volunteer oilseed rape Download PDF EPUB FB2

The deeper insights into dormancy formation of oilseed rape provide the possibility to improve harvest time and harvest method, and to better assess the potential for volunteer oilseed rape in.

However, oilseed rape is renowned for its long-term seed dormancy and volunteer GM plants, i.e. plants appearing in the following crop, can occur 10 years after GM oilseed rape cultivation (D.

Volunteer oilseed rape is a relevant weed in many crop rotations due to seed persistence and dormancy. With the intro-duction of imidazolinone-tolerant oilseed rape varieties in Europe, herbicide-based control strategies of volunteers in cereals may become ineffective in the future.

Experiments were conducted on experimental fields and in outdoor pots in Bingen (Germany) to quantify the effect Cited by: 6. Genetically reducing the capacity of oilseed rape cultivars to produce secondary dormant seeds provides a possibility to reduce seed and pollen dispersal of transgenic modified cultivars.

The objective of the present study was to analyze the genetic variation for secondary seed dormancy in a set of current European winter oilseed rape cultivars. Oilseed rape is known to persist in arable fields because of its ability to develop secondary seed dormancy in certain agronomic and environmental conditions.

If conditions change, rapeseeds are able to germinate up to 10 years later to build volunteers in ensuing crops. Extrapolations of experimental data acted on the assumption of persistence periods for more than 20 years after last harvest Cited by: 6.

Gruber S, Pekrun C, Claupein W () Population dynamics of volunteer oilseed rape (Brassica napus L.) affected by tillage. Eur J Agron –Gubler F, Millar AA, Jacobsen JV () Dormancy release, ABA and pre–harvest sprouting.

Oilseed rape has a number of traits that increase the risk of low erucic acid rapeseed (LEAR) crops being contaminated with EA from HEAR varieties. The quantity of seed produced and the potential for seed dormancy coupled with partial autogamy (self-fertilisation) facilitate the establishment and persistence of volunteer and feral : Douglas J.

Warner, Kathleen A. Lewis. volunteer seeds. Relatively well developed. wild populations growing next to oilseed rape along 34 km of the Thames River in the United Kingdom and assessed the persistence of 18 feral oilseed rape populations over a period of three years.

They analyzed several variables that would influence the movement of chloroplast genes from crops to Cited by: Lutman P.J.W. () The occurrence and persistence of volunteer oilseed rape (Brassica napus).

Aspect of Applied Biology. Lutman P.J.W., Freeman S.E. and Pekrun C. () The long-term persistence of seeds of oilseed rape (Brassica napus) in arable Author: علی شایان فر, فرشید قادری فر, رحمت الله بهمرام, افشین سلطانی, حمیدرضا صادقی پور. COVID Resources. Reliable information about the coronavirus (COVID) is available from the World Health Organization (current situation, international travel).Numerous and frequently-updated resource results are available from this ’s WebJunction has pulled together information and resources to assist library staff as they consider how to handle coronavirus.

Volunteer Oilseed Rape - Will Herbicide-Resistance Traits Assist Ferality. Linda M. Hall, M. Habibur Rahman, Robert H. Gulden, and A. Gordon Thomas: Brassica rapa and B.

napus Origins and Biology. Biological Characteristics Influencing Weediness. Presence and Persistence of. The age of the seed bank germinating to become volunteers was assumed from information on previously cultivated oilseed rape varieties at the site and the year of cultivation.

The results showed that plants or seeds belonged to varieties cultivated at the site 4–17 years earlier, suggesting a long persistence of volunteer populations. Volunteer and feral plants can cause significant weed problems and provide a bridge for the escape of genes and traits from cultivated populations.

Transgenic (GM) herbicide tolerant oilseed rape has provided a model system to investigate the spread and persistence of a. Introduction. Between andglobal production of genetically modified (GM) crops increased from million hectares to over million hectares, and the number of countries in which GM crops are produced increased from six to 27 (James ).The vast majority of the GM crops consist of soybean, corn, cotton, and canola, although modified forms of other crops, such as alfalfa, sugar Cited by: 9.

The potential of genetically modified (GM) crops to transfer foreign genes through pollen to related plant species has been cited as an environmental concern. Until Cited by: evaluation of the domestication status of cow cockle Published by Guset User, Description: iii persistence between the populations, considerable numbers of seed of both weedy and cultivated lines were recovered from the soil seed bank at the end of the study.

CL weed control JThe CL herbicides control a wide range of broadleaved weeds as well as competing volunteer oilseed rape plants, which can help when assessing spring crop canopies, said BASF’s. Eur. Entomol.| DOI: /eje Burial-induced changes in the seed preferences of carabid beetles (Coleoptera: Carabidae) Pavel SASKA 1, Alois HONĚK 1, Hana FOFFOVÁ 1,2, Zdenka MARTINKOVÁ 1 1 Crop Research Institute, Functional Diversity in Agro-Ecosystems, Drnovská06 Praha 6 - Ruzyně, Czech Republic; e-mails: [email protected], Cited by: 1.

BACKGROUND: Gene flow between crops and weedy relatives depends on the survivorship and reproduction of early-generation hybrids in a field environment.

The primary aim of this study was to compare the fitness of transgenic crop × wild hybrids with their parental types and a non-transgenic crop type in the field under enhanced temperature and by: Crop Ferality and Volunteerism brings together research pioneers from various disciplines including the crop, plant, and weed sciences to discuss crop ferality and volunteerism.

The book provides thorough coverage of crop and plant molecular biology and genetics as it pertains to ferality and weeds.

Oilseed rape and the F 1 have the same growth parameters and sensitive individuals of B. campestris, oilseed rape and oilseed rape volunteers are controlled with the same efficacy for each herbicide (for model equations and parameter values, see Appendix 2).Genotypic variation in the develop-ment of secondary dormancy in oilseed rape and its impact on the persistence of volunteer rape.

Proceedings Brighton Crop Protection Conference - Weeds: Contribution to conference PEKRUN, C., POTTER, T.C. & LUTMAN, P.J.W.Little is known about seed dormancy and soil seed bank persistence of B.

carinata (Johnson, ). One study found that seeds exhibit some primary dormancy for a .