01740nam a2200325 a 450000100080000000500110000800800410001910000200006024501070008026002640018752006080045165000150105965000130107465000160108765000350110365000250113865000150116365000160117865000090119465300300120365300190123365300210125270000210127370000170129470000210131170000190133270000160135170000220136770000250138914709192025-07-05       2009    bl uuuu     u00u1 u    #d1 aLOPES, M. J. C.  aHistopathological aspects of root-knot nematode resistance in soybean genotype.h[electronic resource]  aIn: CONGRESSO BRASILEIRO DE SOJA, 5.; MERCOSOJA 2009, Goiânia. Anais... Londrina: Embrapa Soja, 2009. Seção trabalhos, t. 409. 1 CD-ROM. Editado por Adilson de Oliveira Júnior, Odilon Ferreira Saraiva, Clara Beatriz Hoffmann Campo, César de Castro.c2009  aAbstract The penetration and development of second stage juveniles (J2) of Meloidogyne javanica were studied in soybean roots of resistant (PI 595099) and susceptible (250 BRSMG Nobreza) genotypes, inoculated with 500 J2/plant. The roots collected in different time courses showed higher J2 penetration in ‘Nobreza’ with predominance of J3/J4 juveniles, formation of giant cells and galls. The histopathological findings showed that the reduced gall formation and egg masses found in PI 595099 evidenced that there was a barrier that limited the complete development of M. javanica in this genotype.  aParasitism  aSoybeans  aGlycine Max  aMelhoramento Genético Vegetal  aMeloidogyne Javanica  aNematóide  aParasitismo  aSoja  aCultivar250 BRSMG Nobreza  aLine PI 595099  aRoot penetration1 aCAMPOS, M. de A.1 aPAIVA, L. V.1 aSÁ, M. E. L. de1 aARANTES, N. E.1 aZITO, R. K.1 aSALGADO, S. M. L.1 aGROSSI-DE-SÁ, M. F.