Web Links [Tag : root-knot]
HEAT STABILITY OF ROOT-KNOT NEMATODE RESISTANCE IN BELL PEPPER Judy A. Thies* and Richard L. Fery. U.S. Vegetable Laboratory, USDA, ARS, Charleston, SC The southern root-knot nematode is a major pest of pepper (Capsicum annuum)in the United States.
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Planting: Carrots (Daucus carota) are cool-season plants that grow best at average temperatures between 60 and 65 F. The optimum soil temperature for seed germination is 55 to 75 F. Seeds will not germinate above 95 F.
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Currently, three species, the northern root-knot nematode (Meloidogyne hapla), carrot cyst nematode (Heterodera carotae) and P. penetrans root-lesion nematode (Pratylenchus penetrans) are recognized as important pathogens in Michigan (MI) carrot production.
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Cause: Meloidogyne hapla, a nematode that also attacks other vege-table crops. The Columbia root-knot nematode, M. chitwoodi, is not an economic problem on carrots.
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Root-knot nematode is caused by the plant parasitic nematode, Meloidogyne incognita. The nematode larvae feed on roots causing the swellings or knots that are characteristic of root-knot infection. Roots are often stunted and deformed (photo 1).
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IDENTITY Nombre: Meloidogyne fallax Karssen, 1996 Posición taxonómica: Animalia: Nematoda: Secernentea: Tylenchida: Meloidogynidae Nombre común: False Columbia root-knot nematode Importancia: Previously known only from a small area in Europe, M.
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edu This project was sponsored by the Western Integrated Pest Management Center, which is funded by the United States Department of Agriculture, Cooperative State Research, Education and Extension Service, and the USDA Office of Pest Management Policy.
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japonicus 111,459 Salmo salar 91,491 Ciona savignyi 84,302 Physcomitrella patens subsp.
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Citation: Sharma, S.B., Johansen, C., and Midha, S.K. (eds.) 1998. Nematode pests in rice-wheat-legume cropping systems: proceedings of a Regional Training Course, 15 September 1997, CCS Haryana Agricultural University, Hisar, Haryana, India: Rice-Wheat Consortium Paper Series 4.
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Plant Disease / March 2001 267 Characterization of Capsicum chinense Cultigens for Resistance to Meloidogyne arenaria, M. hapla, and M. javanica Judy A. Thies, Research Plant Pathologist, and Richard L. Fery, Research Geneticist, U.S. Vegetable Laboratory, Agricultural Research Service, U.S.
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PEPPERS Descriptor Site(s): S9 ------ Contains evaluation data on Pepper (Capsicum) accessions as proposed by the Pepper Crop Germplasm Committee (CGC). For additional information, contact Bob Jarret, Plant Genetic Res. Cons. Unit (S-9), Griffin, GA 30223, ph (770) 228-7303.
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Abawi, G. S., T. L. Widmer, J. L. Ludwig, and N. A. Mitkowski. 1999. Biology and management of Meloidogyne hapla on carrots, onions, and lettuce in New York. J. of Nematology 31: 521. Chen, J., G. S. Abawi, and B. M. Zuckerman. 2000.
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Abawi, G. S., T. L. Widmer, J. L. Ludwig, and N. A. Mitkowski. 1999. Biology and management of Meloidogyne hapla on carrots, onions, and lettuce in New York. J. of Nematology 31: 521. Chen, J., G. S. Abawi, and B. M. Zuckerman. 2000.
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RiceDoctor i Table Of Contents Welcome to Rice Doctor .................................................................................. 1 Seed and Grain Symptoms .............................................................................. 3 Fact Sheets.............................................
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It is now officially summer! You probably could tell that without even looking at the calendar since the summer solstice was preceded by that sudden heat wave that took its toll in our gardens. Any- thing newly planted required some additional love and attention in the watering depart- ment.
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1. (10 points) Discuss the life cycle, mode of parasitism and survival of the foliar nematode, Aphelenchoides fragariae. What factors govern its importance in greenhouse-grown ferns? 2. (15 points) Briefly describe the modes of parasitism or predation of the fungi that are antagonistic to nematodes.
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F13-P MANAGEMENT OF ROOT-KNOT DISEASE OF ONION (ALLIUM CEPA L.) CAUSED BY MELOIDOGYNE GRAMINICOLA *E.B. Gergon1 , S. A. Miller2 , and J. M. Halbrendt3 1 Philippine Rice Research Institute, Science City of Munoz, 3119 Nueva Ecija, Philippines 2 Dept.
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japonicus 111,459 Salmo salar 91,491 Ciona savignyi 84,302 Physcomitrella patens subsp.
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