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ThesisItem Open Access PERFORMANCE OF CARNATION (Dianthus caryophyllus L.) VARIETIES UNDER NATURALLY VENTILATED POLYHOUSE CONDITION(University of Agricultural Sciences Dharwad, 2015-06) HOSURE AJINKYA B.; Dr. S. G. ANGADIAn investigation on performance of ten cultivars of Carnation (Dianthus caryophyllus L.) with respect to growth, quality, yield and economics was carried out under naturally ventilated polyhouse condition at Hi-Tech Horticulture Unit, Main Agricultural Research Station, Saidapur Farm, University of Agricultural Sciences, Dharwad during August 2014 to March 2015. Significant variations were observed for all the parameters studied among the different carnation varieties. Liberty and Gwen were significantly superior when compared to all the genotypes with respect to flower yield and the superiority of these varieties are may be due to the superiority in their yield contributing traits as well as least calyx splitting and plant mortality. Varieties, Liberty and Gwen were early to initiate flower buds and also early to opening of flower buds. The flower stalk length was highest in varieties Harmony but the desirable stalk length was observed in the variety Liberty. Whereas, Harmony recorded maximum flowers diameter and the weight of flower was highest in Farida however highest vase life was recorded in Orange Viana. On the other hand the variety Jurano shows susceptibility to calyx splitting and plant mortality. Cost economics worked out in the study indicated that the B:C ratio ranges from 1.50 to 2.39 and maximum was observed in variety Liberty (2.39) compared to all other varieties. Based on present findings, it can be concluded that varieties viz., Liberty and Gwen have emerged as promising varieties with respect to earliness in flowering, flower yield, vase life and least calyx splitting and plant mortality. These varieties are suitable for commercial cultivation under naturally ventilated polyhouse in Northern transitional tract of Karnataka.ThesisItem Open Access PERFORMANCE OF CARNATION (Dianthus caryophyllus L.) VARIETIES UNDER NATURALLY VENTILATED POLYHOUSE CONDITION(University of Agricultural Sciences Dharwad, 2015-06) HOSURE AJINKYA B.; Dr. S. G. ANGADIAn investigation on performance of ten cultivars of Carnation (Dianthus caryophyllus L.) with respect to growth, quality, yield and economics was carried out under naturally ventilated polyhouse condition at Hi-Tech Horticulture Unit, Main Agricultural Research Station, Saidapur Farm, University of Agricultural Sciences, Dharwad during August 2014 to March 2015. Significant variations were observed for all the parameters studied among the different carnation varieties. Liberty and Gwen were significantly superior when compared to all the genotypes with respect to flower yield and the superiority of these varieties are may be due to the superiority in their yield contributing traits as well as least calyx splitting and plant mortality. Varieties, Liberty and Gwen were early to initiate flower buds and also early to opening of flower buds. The flower stalk length was highest in varieties Harmony but the desirable stalk length was observed in the variety Liberty. Whereas, Harmony recorded maximum flowers diameter and the weight of flower was highest in Farida however highest vase life was recorded in Orange Viana. On the other hand the variety Jurano shows susceptibility to calyx splitting and plant mortality. Cost economics worked out in the study indicated that the B:C ratio ranges from 1.50 to 2.39 and maximum was observed in variety Liberty (2.39) compared to all other varieties. Based on present findings, it can be concluded that varieties viz., Liberty and Gwen have emerged as promising varieties with respect to earliness in flowering, flower yield, vase life and least calyx splitting and plant mortality. These varieties are suitable for commercial cultivation under naturally ventilated polyhouse in Northern transitional tract of Karnataka.