Effect of irrigation levels and plant density on growth, flowering, yield and vase life of gladiolus
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Date
2018
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CCSHAU
Abstract
The experiment comprising of five irrigation levelsand four plant density as treatments in different combinations was conducted atPrecision Farming Development Centre of the Department of Horticulture, CCS Haryana Agricultural University, Hisar during the year 2015-16 and 2016-17to find out the most effective irrigation level and plant density for gladiolus and to study the effect of irrigation levels and plant density on growth, flowering, yield and vase life of gladiolus. The data were recorded ondays to initiation of sprouting, per cent sprouting, plant height, number of leaves per plant, days taken for emergence of spike, days taken to showing colour of basal floret, days taken to opening of basal floret and fifth floret, length of spike and rachis, number of florets per spike, number of corms per plant, weight of corms per plant, diameter of corm, number of cormels per plant, weight of cormels per plant, water uptake, transpirational loss, diameter of first and fifth floret, weight of spike, vase life of spike, pH of the vase solution and number of the florets opened and unopened. The recorded data were subjected to statistical analysis using Randomized Block Design (factorial).The days toinitiation of sprouting and per cent sproutingwere found non-significant. Theplant height, length of spike, length of rachis, number of florets per spike, water uptake and transpirational loss by spikes and number of florets opened during the vase life period were registered maximum under the treatment of12 mm water applied after 10 mm of CPE irrigation level with the plant density of 32 plants/m2, while the number of leaves per plant, diameter of basal and fifth floret, number of corms and cormels per plant, weight of corms and cormels per plant, diameter of corm, diameter of first and fifth floret during vase life period, weight of spike and vase life of gladiolus spikes were recorded maximum under 12 mm water applied after 10 mm of CPE irrigation level with the plant density of 20 plants/m2.The days taken for emergence of spike, showing colour of basal floret and opening of first and fifth floretwerenoted minimum at lowest level of irrigation in combination with plant density of 20 plants/m2.
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