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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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Sweet pepper grows best at 21 24°C. Growth and yields suffer when temperatures exceed 27°C or drop below 18°C for extended periods. Sweet pepper can tolerate daytime temperatures over 30°C, as long as night temperatures are within 21-24°C.
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Amount of chemical formulation to apply per acre (unless otherwise directed). Apply no closer to harvest than number of days given in parentheses. (RUP) = Restricted Use Pesticide.
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Methods/Materials Cowpea seeds were planted in growth pouches. A 5% broccoli extract solution was made by combining water and chopped broccoli. This was incubated at 30 C for 5 days and then diluted and added to nematodes for the various treatments.
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you need to determine which nematodes are present in the soil before using this list to make management decisions.
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The Australian Journal of Agricultural Research is an international journal of agricultural science publishing high quality research papers and review articles addressing strategic science issues relevant to agriculture.
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you need to determine which nematodes are present in the soil before using this list to make management decisions.
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Michigan cole crops include broccoli, Brussels sprouts, cabbage and cauliflower. Cole crops are a significant segment of the state s fresh market and processing commodity. Cabbage is a cool-season crop.
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you need to determine which nematodes are present in the soil before using this list to make management decisions.
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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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NOTES ON TAXONOMY AND BIOLOGY: Like other cyst forming nematodes, it has sedentary endoparasitic habits. Cysts are persistent tanned sacs derived by the female body and contain the eggs. Cysts persist in soil for many years.
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S. Areas Infested with Pine Shoot Beetle 3-39 TABLE 3-48: Pine Wood Chips, Bark, Bark Chips, or Nuggets from Areas in Ontario or Quebec Infested with Pine Shoot Beetle Moving to U.S.
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The Japanese beetle (Popillia japonica Newman) is a highly destructive plant pest of foreign origin. It was first found in the United States in a nursery in southern New Jersey nearly 80 years ago.
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A The Tobraviruses 1 I.A.1 Background 1 I.A.2 Properties and characteristics of the Tobravirus genus 2 I.A.3 Genetic determinants of vector transmissibility 6 I.A.4 Identification of Tobravirus isolates 7 I.A.5 Host range and plant diseases 8 I.A.
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S. Areas Infested with Pine Shoot Beetle 3-39 TABLE 3-48: Pine Wood Chips, Bark, Bark Chips, or Nuggets from Areas in Ontario or Quebec Infested with Pine Shoot Beetle Moving to U.S.
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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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