Tissue Culture and Biotechnology Laboratory, Department of Botany, University of Rajasthan, Jaipur-302 004, India
*Corresponding author's e-mail:shilpirajput007@gmail.com
Online published on 11 September, 2014.
This study was carried out to screen various Helianthus annuus varieties against root-knot nematode (Meliodogyne incognita) infections in Jaipur district. Eight varieties were tested against nematode infection i.e. The variety CO1 was proved to be most tolerant against root knot nematode infection without any gall (0). MODERN Variety was the most susceptible variety to root knot nematode infection with gall number 50.6. KBSH-41 was found resistant with gall number 8.6 while number KBSH-1 and KBSH-44 were found moderatetly resistant with gall number 15.6–21.2. KBSH-53, DRSF-108 and DRSH-1 were found susceptible with gall number 31.8–34.5.
Nematode, Sunflower, Variety, Meliodogyne incognita, Resistant
