Abstract
Abstract An experiment was conducted to study genetic variability and performance of nine exotic lilium cultivars (Lilium x hybrida) for suitability for commercial cultivation in North Western hilly regions of Uttarakhand at Research Station and KVK, Lohaghat, GBPUA&T, Pantnagar, Champawat, Uttarakhand India. Bulbs of nine lilium hybrid cultivars viz., Acapulco (Pink), Sorbonne (White), Yelloween (Yellow), Tresor (Orange), Brindisi (Pink), Blackout (Red), Pavia (Yellow), Ercolano (White) and Samur (Pink) were selected as experimental material. There was significant difference in days taken for bud initiation among nine cultivars. It is evident from data that minimum days take for bud initiation in cultivar Blackout (44 days) followed by Tresor (45 days). The maximum number of flowers per plant reported in cultivars Acapulco (10.20) followed by Yelloween (8.20) and Sorbonne (7.80) which is at par with Blackout (7.40) and Pavia (7.20). Maximum vase life was recorded with Acapulco (12.4 days) followed by Sorbonne (11.80 days) which is at par with Yelloween (11.8 days) while Minimum vase life was recorded with Ercolano (8.40 days) and Tresor ( 8.40 days). Mean value was found maximum for flower stem length (87.29) and minimum mean value was exhibited by number of flowers per plant. Heritability value was found maximum for characters like days to flower bud opening followed by length of flower stalk and days taken to bud initiation.
Highlights
Lilium is a diverse and highly classified genus of bulbous flower belonging to family Liliaceae with having different shape, size, colour and fragrant
There was significant difference in days taken for bud initiation among nine cultivars of lilium
Maximum vase life was recorded with Acapulco (12.4 days) followed by Sorbonne (11.80 days) which is at par with Yelloween (11.8 days)
Summary
Lilium is a diverse and highly classified genus of bulbous flower belonging to family Liliaceae with having different shape, size, colour and fragrant. The main strength of lilium cultivation in these areas lies in the suitability of climate for quality cut flower production and bulb multiplication, availability of manpower, lesser cost of cultivation compared to major temperate bulb growing countries. Determining genetic diversity through variation between genotypes, genotype groups or populations is the most important breeding tool to select better genotypes for improvement in desired traits. With the background in view, the present study was undertaken to assess and estimate the magnitude and nature of variation among 9 lilium genotypes with respect to various vegetative and floral characteristics (quantitative and qualitative traits) under shade net condition for mid hills of. North-West Himalaya regions of India that would be helpful for further crop improvement program
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