Current Science

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Studies on grafting nine susceptible genotypes including five F1 hybrids and four varieties of African marigold was conducted by using two bacterial wilt resistant marigold lines (M-1 and M-2) as ischolar_mainstocks. It was evident from the present study that the F1 hybrids recorded better survival of grafts compared to varieties of African marigold. The greatest survival of grafts was recorded in hybrid Bhagwati grafted on M-1 ischolar_mainstock (60%), which was on par with Bhagwati grafted on M-2 (54%), Maria 91 grafted on M-1 (54%) and Maria 91 grafted on M-2 (50%). Irrespective of the scion genotypes, M-1 as ischolar_mainstock recorded better graft survival (34.22%) compared to a survival of 25.56% in case of M-2. And, irrespective of the ischolar_mainstock genotypes, the highest survival was recorded in Bhagwati (57%), on par with Maria 91 (52%).

Keywords

Bacterial wilt, cleft grafting, marigold, ischolar_mainstock.
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