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Grafting as a promising technique for popularizing marigold cultivation in bacterial wilt sick soils in humid tropics of Kerala, India


Affiliations
1 Department of Floriculture and Landscaping, College of Agriculture, Kerala Agricultural University, Thrissur 680 656, India
2 Agricultural Research Station, Mannuthy, Kerala Agricultural University, Thrissur 680 656, India
3 Department of Plant Physiology, College of Agriculture, Kerala Agricultural University, Thrissur 680 656, India
 

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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  • Grafting as a promising technique for popularizing marigold cultivation in bacterial wilt sick soils in humid tropics of Kerala, India

Abstract Views: 289  |  PDF Views: 124

Authors

U. Jeevan
Department of Floriculture and Landscaping, College of Agriculture, Kerala Agricultural University, Thrissur 680 656, India
U. Sreelatha
Department of Floriculture and Landscaping, College of Agriculture, Kerala Agricultural University, Thrissur 680 656, India
C. Narayanankutty
Agricultural Research Station, Mannuthy, Kerala Agricultural University, Thrissur 680 656, India
M. S. Parvathi
Department of Plant Physiology, College of Agriculture, Kerala Agricultural University, Thrissur 680 656, India
T. V. Anupama
Department of Floriculture and Landscaping, College of Agriculture, Kerala Agricultural University, Thrissur 680 656, India

Abstract


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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DOI: https://doi.org/10.18520/cs%2Fv120%2Fi9%2F1517-1519