Reynoutria Sachalinensis (F
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Japanese Knotweed Fallopia Japonica (Houtt.) R. Decr. Or Polygonum Cuspidatum Sieb
Japanese knotweed Fallopia japonica (Houtt.) R. Decr. or Polygonum cuspidatum Sieb. & Zucc. Giant knotweed Fallopia sachalinensis (F. Schmidt ex Maxim.) R. Decr. or Polygonum sachalinense F. Schmidt ex Maxim. Bohemian knotweed Fallopia × bohemica (Chrtek & Chrtková) J. P. Bailey or Polygonum ×bohemicum (J. Chrtek & Chrtkovß) Zika & Jacobson [cuspidatum ×sachalinense] Family: Polygonaceae Synonyms for Fallopia japonica: Pleuropterus cuspidatus (Sieb. & Zucc.) Moldenke, P. zuccarinii (Small) Small, Polygonum cuspidatum Sieb. & Zucc. var. compactum (Hook. f.) Bailey, P. zuccarinii Small, Reynoutria japonica Houtt. Other common names: Japanese bamboo, fleeceflower, Mexican bamboo Synonyms for Fallopia sachalinensis: Reynoutria sachalinensis (F. Schmidt ex Maxim.) Nakai, Tiniaria sachalinensis (F. Schmidt) Janchen Other common names: none Synonyms for Fallopia x bohemica: none Other common names: none Invasiveness Rank: 87 The invasiveness rank is calculated based on a species’ ecological impacts, biological attributes, distribution, and response to control measures. The ranks are scaled from 0 to 100, with 0 representing a plant that poses no threat to native ecosystems and 100 representing a plant that poses a major threat to native ecosystems. Description Japanese knotweed is a perennial plant that grows from long, creeping rhizomes. Rhizomes are thick, extensive, and 5 to 6 meters long. They store large quantities of carbohydrates. Stems are stout, hollow reddish-brown, swollen at the nodes, and 1 ¼ to 2 ¾ meters tall. Twigs often zigzag slightly from node to node. Leaves are alternate, 5 to 15 cm long, and broadly ovate with more or less truncate bases and acuminate tips. They have short petioles. Plants are dioecious, with male and female flowers on separate plants. Inflorescences are many-flowered, branched, open, and lax. -
Reynoutria Japonica Houtt. © Morvant Y
Reynoutria japonica Houtt. © Morvant Y. CBN Méditerranéen de Porquerolles La Renouée du Japon Plantae, Spermatophytes, Angiospermes, Dicotylédones, Caryophyllales, Polygonaceae Synonymes : Fallopia japonica (Houtt.) Ronse Decraene Polygonum cuspidatum Siebold & Zucc. Polygonum reynoutria Makino Polygonum sieboldii Reinw. ex de Vries Polygonum zuccarinii Small Pleuropterus cuspidatus (Siebold & Zucc.) H. Gross Tiniaria cuspidata (Houtt.) Hedberg Fiche réalisée par la Fédération des Conservatoires botaniques nationaux Description générale Plante herbacée, vivace rhizomateuse, à port buissonnant. Annuellement, elle forme des tiges aériennes robustes, souvent tachetées de rouge (forme de lenticelle) et pouvant atteindre 3 m de hauteur et 4 cm de diamètre, formant de vastes massifs denses. Elle possède des rhizomes, tiges souterraines bien développées et lignifiées, assurant la pérennité de la plante et permettant la reproduction végétative. Elles peuvent atteindre 15-20 m de long et pénétrer dans le sol jusqu'à 2-3 m de profondeur. Des racines adventives sont émises des rhizomes. Son limbe foliaire est largement ovale, atteignant 20 cm de long et est brusquement tronqué à la base. Les fleurs de couleur blanc-crème et blanc verdâtre se développent en panicule plus ou moins lâches de 8-12 cm de longueur. Biologie/Ecologie Reproduction Plante dioïque (pied mâle et pied femelle) à floraison automnale (août-octobre) et pollinisation entomophile. Reproduction sexuée : En France, seuls des individus mâles stériles sont connus sur le territoire. La formation de graines est réalisée par fécondation croisée avec le pollen de Reynoutria sachalinensis, donnant naissance à un hybride Reynoutria x bohemica. La production de graines viables est rare et les plantules sont généralement bloquées dans leur développement. -
Biopesticides-Fact-Sheet-Final.Pdf
EXTENSION AND ADVISORY TEAM FACT SHEET SEPT 2020 | ©Perennia 2020 BIOPESTICIDES FOR FUNGAL AND BACTERIAL DISEASE MANAGEMENT IN HORTICULTURAL CROPS By Caitlin Congdon and Matthew Peill, Agri-Services, Perennia Food and Agriculture INTRODUCTION INORGANIC CHEMICALS WITH MULTI-SITE ACTIVITY The key to disease management in organic farming systems (GROUP M1 AND M2): is integrated pest management (IPM) practices to prevent Sulphur and copper are two of the oldest agricultural disease introduction and development. Various products can pesticides. Sulphur has been used since 1000 B.C. Bordeaux be used to manage disease. Organic disease control products mixture (copper sulphate and slack lime) has been in use are generally derived from naturally occurring chemicals since the 1800s. Both sulphur (Group M2) and copper (ex. coppers, sulphurs), biologically derived compounds (ex. (Group M1) have multi-site activity and work by interfering plant extracts, oils) or beneficial microorganisms for pest with the biochemical pathways of pathogens, either killing management. In recent years, there has been a push for the them or reducing their growth rate. development and use of biopesticides by the agriculture industry at large, which, while biologically derived, are not Sulphur always registered for certified organic production. There may also be differences between certifiers regarding which Sulphur can be used as both a miticide and a fungicide and products are permitted. Organic products can be an effective is generally available as elemental sulphur ex. Cosavet DF addition to conventional pesticide programs as part of a Edge. Sulphur products are applied foliarly and are contact holistic IPM program. fungicides which permeate the cell wall of germinating fungal spores and interfere with its metabolic functions. -
Biology and Control of the Invasive Fallopia Taxa
Preface This thesis was written at the Norwegian University of Life Sciences, Department of Plant Sciences (IPV). Lab and greenhouse/garden experiments were carried out at Bioforsk Plant Health in Ås. Supervisors of the thesis are Lars Olav Brandsæter (Associate Professor at NMBU and researcher in weed science at Bioforsk Plant Health, Ås) and Helge Sjursen, (researcher in weed science at Bioforsk Plant Health, Ås). Experiment 1 was made possible through generous financial support from the Norwegian Public Roads Administration. 1 Acknowledgements My greatest thanks go to my supervisors, Lars Olav Brandsæter and Helge Sjursen, for all help, steady guidance and invaluable encouragement during the work with this thesis. Thank you for an educational and enjoyable time as your student, which has increased my interest in weed biology! A great thank also to May Bente Brurberg and Abdelhameed Elameen for all help and guidance on the genetic part of this study, and for reading through my thesis, providing valuable comments. A great thank to Even Sannes Riiser for all help with the barcoding experiment, and to Grete Lund for good and patient teaching in molecular methods. Thank you all for introducing me to the interesting field of genetics and for sharing your expertise and experience. I am greatly thankful to John P. Bailey at the University of Leicester, UK, for providing the control sample of Fallopia japonica used in the genetic analyses, for kindly taking the time to look at my herbarium specimens, and for helpful and inspiring email communication about Fallopia. I would also like to thank Marit Helgheim and Kjell Wernhus for their contributions on the fieldwork, Inger S. -
Reynoutria Spp.) in Croatia
BioInvasions Records (2019) Volume 8, Issue 1: 175–189 CORRECTED PROOF Research Article “Flying under the radar” – how misleading distributional data led to wrong appreciation of knotweeds invasion (Reynoutria spp.) in Croatia Nina Vuković1, Vedran Šegota1, Antun Alegro1,*, Nikola Koletić1, Anja Rimac1 and Stjepan Dekanić2 1University of Zagreb, Department of Biology, Division of Botany, Marulićev trg 20/II, 10000 Zagreb, Croatia 2Perceptives Ltd., Koprivnička ulica 38, 10000 Zagreb, Croatia Author e-mails: [email protected] (NV), [email protected] (VS), [email protected] (AA), [email protected] (NK), [email protected] (AR), [email protected] (SD) *Corresponding author Citation: Vuković N, Šegota V, Alegro A, Koletić N, Rimac A, Dekanić S (2019) Abstract “Flying under the radar” – how misleading th distributional data led to wrong Knotweeds were introduced into Europe in the 19 century and soon after became appreciation of knotweeds invasion aggressive invaders. While R. japonica and R. sachalinensis arrived from Asia, (Reynoutria spp.) in Croatia. BioInvasions their hybrid Reynoutria × bohemica is believed to originate from the introduced Records 8(1): 175–189, range. Revised material shows that R. × bohemica has occurred in Europe since at https://doi.org/10.3391/bir.2019.8.1.19 least 1872, but was frequently misidentified as one of the parents. For that reason, Received: 15 January 2018 the hybrid was detected relatively late in many European countries, meaning that it Accepted: 29 October 2018 was silently spreading throughout the region for a long time. The present study was Published: 12 February 2019 conducted in Croatia, where the parental species have been recorded since the 19th Handling editor: Giuseppe Brundu century, the hybrid, however, not being recognized until very recently, although it Thematic editor: Stelios Katsanevakis has probably been present for decades. -
Weed of Interest: Japanese Knotweed
Weed of Interest: Japanese Knotweed Andy Senesac, Weed Science Specialist, Cornell Cooperative Extension of Suffolk County Japanese knotweed is a vigorous, herbaceous peren- nial weed . Having a deciduous habit, it dies back to the ground every fall and regenerates new shoots every spring from a robust system of underground stems (rhizomes) and crowns . Japanese knotweed com- monly invades disturbed areas with high light, such as roadsides and stream banks . New infestations oc- cur mostly vegetatively (rhizomes and stem pieces) but some viable seed dispersal also occurs . The stem is hollow with nodes surrounded by papery sheaths (ochrea) . These nodes are always enlarged and notice- able . The original genus name of Polygonum is a Greek word meaning ‘many knees’ – referring to the nodes which resemble knees . The leaves are alternate, wide and broadly ovate . Flowering occurs in late summer, when small, white flowers showily develop in the axils of the leaves . Knotweeds are dioecious and have male and female flowers on separate plants. The original in- festing plant brought from England in the 1800s was a female plant and many of the current infestations in the northeast are thought to be clonal offshoots of this Japanese knotweed cutaway view of hollow stem original plant . northeast US and Canada . The weed has also been The nomenclature of the knotweeds has undergone reintroduced many times: mostly as ornamentals be- three changes in the last several years . A member of cause of its showy fall flowers, but sometimes by inad- the buckwheat (Polygonaceae) family, the currently ac- vertent releases from ship ballast . Knotweed is often cepted genus and species for Japanese knotweed is: found in stream banks and other riparian sites . -
DEC Prohibited and Regulated Invasive Plants
New York State Prohibited and Regulated Invasive Plants September 10, 2014 NYS DEPARTMENT OF NYS DEPARTMENT OF ENVIRONMENTAL CONSERVATION AGRICULTURE AND MARKETS New York State Department of Environmental Conservation NYCRR Part 575 Invasive Species Regulations Questions and Answers http://www.dec.ny.gov/regulations/2359.html What are invasive species? Invasive species means a species that is nonnative to a particular ecosystem, and whose introduction causes or is likely to cause economic or environmental harm or harm to human health. Why are invasive species a problem? Invasive species can harm natural communities and systems (plants and animals found in particular physical environments) by out-competing native species, reducing biological diversity, altering community structure and, in some cases, changing ecosystems. Invasive species threaten New York’s food supply, not only agriculture but also harvested wildlife, fish and shellfish; our landscaping, parks, gardens, and pets; and our recreation resources and even animal and human health. All New Yorkers have a stake in the invasive species issue. How will these regulations help? These regulations are to help control invasive species by reducing the introduction and spread of them by limiting commerce in such species. By preventing introduction of new invasive species, New York will save time, effort, and money in the future. How were the lists included in the regulations developed? The lists of prohibited and regulated species were developed using the species assessment and listing process outlined in the 2010 report “A Regulatory System for Non-native Species,” which can be found at http://www.dec.ny.gov/animals/63402.html. When will the regulations be implemented? The final regulations (or a summary) were published in the State Register September 10, 2014, they become effective 6 months thereafter. -
Fact Sheet: Prohibited Invasive Plant Species Rules, Agr 3800
Fact Sheet: New Hampshire Prohibited Invasive Plant Species Rules, Agr 3800 Department of Agriculture, Markets & Food Updated 01/31/2017 This fact sheet is a synopsis of the adopted rules on invasive plant species and is intended for general use by the nursery and landscape industry, plant growers, plant dealers, general public, State Agencies, and Municipalities. A complete copy of the rules can be accessed on the internet at http://agriculture.nh.gov/topics/plants_insects.htm. In accordance with the Invasive Species Act, HB 1258-FN, the NH Department of Agriculture, Markets & Food, Division of Plant Industry is the lead state agency responsible for the evaluation, publication and development of rules on invasive plant species for the purpose of protecting the health of native species, the environment, commercial agriculture, forest crop production, or human health. The rule, Agr 3800, states “No person shall collect, transport, import, export, move, buy, sell, distribute, propagate or transplant any living and viable portion of any plant species, which includes all of their cultivars and varieties, listed in Table 3800.1, New Hampshire prohibited invasive species list”. New Hampshire Prohibited Invasive Plant Species List Scientific name Synonyms Common name Acer platanoides L. Acer platanoides var. schwedleri Norway maple Nichols. Ailanthus altissima (P. Mill.) Ailanthus glandulosa Desv. Tree of heaven Swingle Alliaria petiolata (Bieb.) Cavara & Alliaria alliaria (L.) Britt.; Alliaria Garlic mustard Grande officinalis Andrz. ex Bieb.; Erysimum alliaria L.; Sisymbrium alliaria (L.) Scop. Alnus glutinosa (L.) Gaertn. Alnus alnus (L.) Britt.; Betula alnus European black alder L. var. glutinosa L. Berberis thunbergii DC. Japanese barberry Berberis vulgaris L. -
Floron Risk Assessment of Four Asian Knotweeds in Europe
Risk assessment of four Asian knotweeds in Europe R. Beringen, R.S.E.W. Leuven, B. Odé, M. Verhofstad & J.L.C.H. van Valkenburg FLORON report 2018.049.e1 Publication details Publication status: Final Report number: FL2018.049.e1 Date of publication: November 2019 Title: Risk assessment of four Asian knotweeds in Europe Citation method: R. Beringen, R.S.E.W. Leuven, B. Odé, M. Verhofstad & J.L.C.H. van Valkenburg (2019). Risk assessment of four Asian knotweeds in Europe FLORON report: 2018.049.e1 Cover photograph: Overgrowth of Bohemian knotweed (Reynoutria × bohemica) near Oosterbeek (Photo: Ruud Beringen). Project number: FL2018.049 Project leader: Baudewijn Odé Implementation: FLORON and Radboud University Nijmegen Project team: Ruud Beringen, Rob Leuven, Baudewijn Odé, Michiel Verhofstad and Johan van Valkenburg Commissioned by: Ministry of Agriculture, Nature and Food Quality Netherlands Food and Consumer Product Safety Authority (NVWA) J. Leferink Postbus 43006 3540 AA Utrecht Publication approval: B. Odé (FLORON project leader) Initials: © 2019 FLORON, Nijmegen. FLORON studies and protects wild plants. FLORON is a brand name of the RAVON Foundation. FLORON report no. 2018.049.e1 Contents Summary 7 Samenvatting 9 1 Introduction 11 1.1 Background 11 1.2 Research request 12 1.3 Document structure 12 2 Materials and method 13 2.1 Literature review 13 2.2 Taxonomy and nomenclature of the species being assessed 13 2.3 Delineation of species being assessed 13 2.4 Distribution in the Netherlands 14 2.5 Distribution in Europe 14 2.6 Risk assessment and classification using Harmonia+ 15 2.7 Comparison with other risk assessments 17 3 Reynoutria japonica – Japanese knotweed 18 3.1 Species description 18 3.1.1 Taxonomy 18 3.1.2 Nomenclature 18 3.1.3 Range 19 3.1.4 Characteristics 19 3.1.5 Reproduction and dispersal 20 3.1.6 Habitat and ecology 22 3.2. -
Efficiency of Plant Extract from Reynoutria Sachalinensis (Milsana
Efficiency of plant extract from Reynoutria sachalinensis (Milsana) to control powdery mildew on tomato (Oïdium neolycopersici) Yannie Trottin-Caudal, Christine Fournier, Jean-Michel Leyre, Véronique Decognet, Philippe C. Nicot, Marc Bardin To cite this version: Yannie Trottin-Caudal, Christine Fournier, Jean-Michel Leyre, Véronique Decognet, Philippe C. Nicot, et al.. Efficiency of plant extract from Reynoutria sachalinensis (Milsana) to control powdery mildew on tomato (Oïdium neolycopersici). Colloque International, Sep 2003, Avignon, France. hal-02764311 HAL Id: hal-02764311 https://hal.inrae.fr/hal-02764311 Submitted on 4 Jun 2020 HAL is a multi-disciplinary open access L’archive ouverte pluridisciplinaire HAL, est archive for the deposit and dissemination of sci- destinée au dépôt et à la diffusion de documents entific research documents, whether they are pub- scientifiques de niveau recherche, publiés ou non, lished or not. The documents may come from émanant des établissements d’enseignement et de teaching and research institutions in France or recherche français ou étrangers, des laboratoires abroad, or from public or private research centers. publics ou privés. Distributed under a Creative Commons Attribution - NonCommercial - ShareAlike| 4.0 International License Trottin-Caudal Y, Fournier C, Leyre JM, Decognet V, Nicot P, Bardin M, scientifique. Efficiency of plant extract from Reynoutria sachalinensis (Milsana) to control powdery mildew on tomato (Oïdium neolycopersici). In: Ctifl, Inra, eds. Proceedings of the Tomate sous abri. Protection intégrée. Agriculture biologique, 2003/09/17-19, Avignon (FRA): 11-15. Efficiency of plant extract from Reynoutria sachalinensis (Milsana) to control powdery mildew on tomato (Oidium neolycopersici) Yannie Trottin-Caudal1, Christine Fournier1, Jean-Michel Leyre1, Véronique Decognet2, Corinne Romiti2, Philippe Nicot2, Marc Bardin2 1 Ctifl, Centre de Balandran, B.P. -
Invasive Plants – Not Just a Bad Idea, Soon to Be Illegal!
INVASIVE PLANTS – NOT JUST A BAD IDEA, SOON TO BE ILLEGAL! Ellen Jacquart Indiana Native Plant Society WHAT I’LL TALK ABOUT • Definition of invasive species • Examples of invasive plants and the problems they cause • The Terrestrial Invasive Plant Rule WHAT IS AN INVASIVE SPECIES? The official federal definition: An alien species whose introduction does or is likely to cause economic or environmental harm, or harm to human health Indiana has 2,865 plant species (BONAP.org) Plant Species in Indiana How many are invasive? 685 Native plants (2180) Non-native 2180 plants (685) Invasive Versus Non-Native Plants 100 Non-invasive plants (585) Invasive 585 plants (100) From the Midwest Invasive Plant Network UPDATE ON THE ENVIRONMENTAL AND ECONOMIC COSTS ASSOCIATED WITH ALIEN-INVASIVE SPECIES IN THE UNITED STATES David Pimentel, Rodolfo Zuniga, Doug Morrison College of Agriculture and Life Sciences, Cornell University, Ithaca, NY 14850-0901, United States Ecological Economics: 2004 Invading alien species in the United States cause major environmental damages and losses adding up to almost $120 billion per year. There are approximately 50,000 foreign species and the number is increasing. About 42% of the species on the Threatened or Endangered species lists are at risk primarily because of alien-invasive species. ASIAN BUSH HONEYSUCKLES (LONICERA MAACKI, TATARICA, MORROWII, X BELLA) • DECREASES SONGBIRD NESTING SUCCESS • DECREASES UNDERSTORY PLANT DIVERSITY, COVER AND REPRODUCTION, INCLUDING TREE SEEDLINGS • DECREASES CANOPY TREE GROWTH BY OVER -
Giant Knotweed, Plant Disease Protection, and Immortality
1 Pheromone Report Special Volume XXXI, Number 3/4, March/April 2009 Giant Knotweed, Plant Disease Protection, and Immortality By William Quarles Photo courtesy California Department of Food and Agriculture lants can be rich sources of drugs and pesticides. PBotanical pesticides such as neem extracts are made from renewable resources and can be used in organic agriculture (see IPMP 27(5/6):1-11; IPMP 28(3/4):1- 12). They biodegrade quickly and often have multiple modes of action that make pest resistance less likely (Quarles 2006; Schmitt and Seddon 2005). Starting about 20 years ago, research activity focused on the giant knotweed, Polygonum sachali- nense. This is a wildly successful plant that produces many defensive chemicals. These help protect it against insects, diseases, and even other plants. Knotweed defensive chemicals also can have profound effects on other plants and animals, causing beneficial changes in Giant knotweed, Polygonum sachalinense, contains many biologically metabolism. Extracts from the giant active molecules. Extracts applied to plants can protect them against dis- knotweed, for instance, can protect ease. Giant knotweed pharmaceuticals can extend the lifetime of animals. plants against pathogens that cause powdery mildew, gray mold, and many other diseases. Substantial lower blood cholesterol, protect Biology of Giant Knotweed against diabetes, and improve car- yield increases are often seen Giant knotweed is called Poly- because the treated plants remain diovascular health. Though giant gonum sachalinense by American free of disease, and their lifetime is knotweed may not be the key to botanists (Zika and Jacobson extended. Knotweed extracts have immortality, one of the extract com- 2003).