Effect of planting time and spacing on flower production of Solidago (Solidago canadensis L.)
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Date
2016
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Punjab Agricultural University Ludhiana
Abstract
The present investigation entitled, “Effect of planting time and spacing on flower
production of Solidago (Solidago canadensis L.)” was conducted at Research Farm of
Department of Floriculture and Landscaping, Punjab Agricultural University, Ludhiana
during 2015-2016 with the objective of standardization of production technology of Solidago.
Rooted suckers of Solidago were grown on the prepared beds (1.2 m × 1.2 m) during the two
planting times of 3rd week of February and 3rd week of July at three different planting distance
(20 cm × 20 cm, 30 cm × 30 cm and 40 cm × 40 cm).Regular cultural practices were followed
as per the requirement. The experiment was laid out in a Randomized block design with six
replications in 18 plots. The results revealed that maximum plant height, plant spread, number
of leaves per plant, number of branches per plant and number of suckers per plant was
recorded under February planting at a wider spacing of 40 cm × 40 cm. With respect to
almost all vegetative characteristics, the best results were recorded in wider spacing of 40 cm
× 40 cm. For floral characteristics, the February planting resulted in maximum number of
inflorescences per plant, inflorescences length and duration of flowering at a spacing of 40 cm
× 40 cm but days to flowering and days to bud appearance was maximum at a spacing of 20
cm × 20 cm. Moreover, July planting takes minimum days to flower. Maximum fresh weight
of panicle, dry weight of panicle and vase life was recorded under July planting at a spacing
of 40 cm × 40 cm.
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Keywords
Solidago, planting time, Solidago canadensis L., Flower production