Gall Formation by Root-Knot Nematode, Meloidogyne incognita (KOFOID et WHITE, 1919) CHITWOOD, 1949,in the Grafted Tomato Plants, and Accumulation of Phosphates on the Gall Tissues : Nematoda : Tylenchida

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概要

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• The relations between gall formation and phosphoric metabolism were studied by cross-grafted tomato plants with different susceptibilities. Cross-grafted plants of susceptible tomato (line "Black") and resistant ones (line "Anaf" No. 2 or No. 3) were inoculated with 5,000 larvae of Meloidogyne incognita per plant. Fifteen days later, 25 μCi of ^<32>P-orthophosphate was given to the resistant line so as to be absorbed from roots with full nutrients. The data showing the following gall indices, 100 in intact susceptible plants, 0 in intact resistant plants, 85 in resistant scion on susceptible stock, 17.5 in susceptible scion on resistant stock, indicate that the resistant or susceptible factors may be associated with both roots and tops of plants. Autoradiography and wet combustion analysis of plant tissues showed marked accumulation of ^<32>P-phosphates on the galled roots. Barium insoluble phosphate-esters, which mainly include nucleotides, were more at gall tissues than at healthy roots.

• 日本応用動物昆虫学会の論文
• 1970-06-25

著者

• Shimizu Kei

  Laboratory Of Food Chemistry Ochanomizu University

• Shimizu Kei

  Laboratory Of Plant Nematology Central Agricultural Experiment Station

• ISHIBASHI Nobuyoshi

  Present address

• Ishibashi Nobuyoshi

  Present Address: Laboratory Of Nematology And Entomology Faculty Of Agriculture Saga University

関連論文

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• Gall Formation by Root-Knot Nematode, Meloidogyne incognita (KOFOID et WHITE, 1919) CHITWOOD, 1949,in the Grafted Tomato Plants, and Accumulation of Phosphates on the Gall Tissues : Nematoda : Tylenchida

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