Varietal screening against corm rot/wilt of gladiolus cause by Fusarium oxysporum f. sp. Gladioli

Abstract

Field experiments on varietal screening screening in sick soil for corm rot of gladiolus was carried out during 2019-2020 at National Agriculture Research Project, Ganeshkhind, Pune. The results indicated that none of the variety was noticed free from disease. Nine varieties viz. IIHR-59-32, Punjab glance, Arti, Pusa Kiran, Punjab glad-1, Surayakiran, Subhagini, Arka ragini, and Phule Tejasfound resistant to wilt. While twenty two varieties were found moderately resistant, three varieties namely Summer sunshine, Suchitra and Psitacinus hybrid showed moderately susceptible reaction, while one variety viz. Sancerre showed susceptible reaction. Out of twenty gladiolus hybrid lines, only one hybrid line viz. 07-9 was found free from wilt disease. Eight hybrid lines viz. 07-1,07-2, 07-8, 07-13, 07-14, 07-15, 07-19 and 94-02 showed less than 5.0 percent disease incidence and were found resistant to wilt. While, ten hybrid lines showed 5.1 to 10.0 percent disease incidence. Only one hybrid line viz. 07-6 was found susceptible to wilt.