Studies On The Reactions Of Soybean Cultivars To The Root-Knot Nematode, <i>Meloidogyne javanica</i> Infections And Their Nodulation Ability In The Soil

Twenty-three cultivars of soybean ( Glycine max (L.)) consisting of five early maturing, nine each of medium and late maturing types were rated in replicated trials in the field to the root-knot nematode, Meloidogyne javanica . All early maturing type, 49-9, Type Green, Kongo Yellow, AGS 66 and Roanoke were highly resistant to the nematode. Three medium maturing types highly resistant were TGX 536-02D, TGX 539-5E and TGX 297-10F. Seven late maturing type found highly resistant were M312, TGX 306-036C, TGX 814-45E, TGX 814-36E, TGX 855-6ID, Malayan and TGX 814-27D. Sixteen cultivars were rated good to excellent nodulators with rhizobium bacteria, of which only one, 49-9 was of the early maturing type; Samsoy 1, TGX 536-02D, TGX 297-10F and TGX 814-54D were of the medium maturing type; the seven late maturing type were M312, TGX 293-63E, TGX 814-45E, TGX 814-36E, TGX 855-61D, Malayan and TGX 814-27D. Agro-Science Vol.2(1) 2001: 63-66