Effect of planting geometry and plant growth regulators on growth and flowering of chrysanthemum

Sahu, Jitendra Kumar; Tamrakar, Samir Kumar; Lakpale, Rajendra; Tirkey, T.

doi:10.5958/2249-5258.2021.00018.x

Cited by 7 publications

(11 citation statements)

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“…(Jadhav et al 2014) also recorded the similar ndings with wider spacing 30×30 cm in calendula. These ndings also get support from other scientists such as in chrysanthemum (Sahu et al 2021). Higher yield of owers in chrysanthemum was recorded to the treatment receiving the higher dose of nitrogen i.e.…”

Section: Discussionsupporting

confidence: 78%

“…Plant spacing is another important factor that has effective role in growth and development of plants. Plant population has pronounced effect on the vegetative growth and yield of chrysanthemum owers at its optimum level, it provides for the scope for e cient utilization of solar nutrients to plants (Sahu et al 2021). Too closer spacing may results in greater competition among the plants for nutrients and other inputs and thus ower yield and quality parameters are affected.…”

Section: Introductionmentioning

confidence: 99%

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Assessment of Nitrogen fertigation and plant spacing in Chrysanthemum (Chrysanthemum morifolium Ramat.) cv. Ratlam selection.

Vimal

Bala

singh

et al. 2022

Preprint

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The investigations entitled “Studies on plant spacing and fertigation schedule for loose flower production of chrysanthemum (Chrysanthemum morifolium Ramat.)” was carried out at Research Farm, Department of Floriculture and Landscaping and Soil and Water Engineering, PAU, Ludhiana during the year 2021-22 with the aim to standardize fertigation level and plant spacing for quality loose flower production. Four different fertigation levels of N@ (60kg/ha, 80kg/ha, 100kg/ha and 120kg/ha) were applied chrysanthemum varietiy namely ‘Ratlam Selection’ through drip irrigation along with three different spacings i.e., 40×30 cm, 40×40 cm and 40×60 cm. The statistical used was Split Plot Design (SPD) and trial was replicated thrice.The data on growth, flowering and yield parameters were recorded and statistically analysed. The data on growth, floral attributes, plant spread (46.70), number of branches (7.80) least days to first flower bud initiation (82.92 days), flower weight (3.22 gm) and highest chlorophyll content (58.57 spad value) was recorded with the application of N@ 120 kg/ha− 1 with planting distance of 40×60 cm and the maximum flower diameter (7.71 cm) and flowers/plant (138.67) was recorded higher with the application of N@ 100 kg/ha− 1 with planting distance of 40×60 cm.. Yield attributes such as flowers weight per unit area (m2), number of flowers per unit area (m2), were recorded best with treatment N@ 100kg/ha with plant spacing 40×60 cm. Based on the study it can be concluded that fertigation level N@ 100kg/ha was found to be the most suitable for quality production of loose flowers of chrysanthemum with spacing 40×30 cm.

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Section: Discussionsupporting

confidence: 78%

Section: Introductionmentioning

confidence: 99%

Assessment of Nitrogen fertigation and plant spacing in Chrysanthemum (Chrysanthemum morifolium Ramat.) cv. Ratlam selection.

Vimal

Bala

singh

et al. 2022

Preprint

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“…For chrysanthemum growers, the most important part of a potted plants is the inflorescence, if the flowers are small, weak and the plants are loose, they could even lose the consumers, also reported by other authors in Asiatic Lilium [60] Tagetes erecta L. [61,62], and Nerium oleander L. [63]. Plant growth retardants could even have a positive effect on flowering time, flower size, even vase life of Chrysanthemums [64][65][66]. On contrary, retardants being gibberellin inhibitors, and by this decreasing cell elongation, could reduce the growth and development of the plants, but even have negative influence on cultivated potted flowers, by decreasing/inhibiting the inflorescences [64,67].…”

Section: Discussionmentioning

confidence: 89%

Enhance Growth and Flower Quality of Chrysanthemum indicum L. with Application of Plant Growth Retardants

et al. 2021

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Ornamental plants are cultivated worldwide. Chrysanthemum is classified as one of the most important cut and potted flowers in most of the countries. The consumer’s expectation is to find small–compact, and full of inflorescences plants. To meet these demands, growers are tending to use plant growth retardants. Three Chrysanthemum indicum L. varieties (‘Smola White’, ‘Arber’ and ‘Vienna White’) were assessed by using four plant growth regulators (PP–Bumper 250 EC; CC–Stabilan SL; MP–Medax Top SC; and PD–Toprex SC). Results indicate that treated plants show significant decrease in the assessed parameters, although in some cases growth could be a variety–dependent factor. It can also be concluded that retardants inhibit chrysanthemum growth. PD treatments greatly inhibited the growth of the plant, and also had a negative effect on inflorescences. In conclusion, the present work strengthens the possibility of using retardants as plant growth inhibitors in Chrysanthemum cultivation.

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“…and can influence plant growth, flowering and other properties. The beneficial effects of NAA on growth and flowering has been reported in chrysanthemum (Sahu et al, 2021) and in calendula (Khudus et al, 2017). Benzyl adenine has recently been used as one of other sources that can maintain or increase the quality of various ornamental plants (Buban, 2000;Han, 2001) and on many other physiological and developmental processes, including leaf senescence, leaf chlorosis, increase the vase life, delaying senescence of cut carnation by inhibiting ethylene biosynthesis (Cook et al, 1985), nutrient mobilization, apical dominance, the formation and activity of shoot apical meristems, floral development, combating drought stress in plants (Waterland et al, 2010).…”

Section: Introductionmentioning

confidence: 93%

“…Patel et al (2010), and Sharifuzzaman et al (2011) obtained the tallest plant from GA 3 @ 150 ppm in chrysanthemum. On the other hand, Farag et al (2018) and Sahu et al (2021) were obtained the tallest plant from GA 3 @ 200 ppm in chrysanthemum. Aparna et al (2018), Alhajhoz (2017) and Sajid et al (2018) was obtained highest plant height when the chrysanthemum plants treated with GA 3 @ 400 ppm, GA 3 @ 300 ppm and GA 3 @ 250 ppm, respectively.…”

Section: Plant Heightmentioning

confidence: 99%

Influence of Foliar Application of Growth Regulators on Vegetative Growth and Flowering Of Chrysanthemum

Ara¹,

Kabir

Rashid

et al. 2023

Bangladesh J. Agric. Res

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The pot experiment was conducted at the Floriculture field of Horticulture Research Centre (HRC), Bangladesh Agricultural Research Institute (BARI), Gazipur during August 2020 to May 2021 to evaluate the foliar spray of gibberellic acid (GA3), benzyl adenine (BA) and naphthalene acetic acid (NAA) on growth and flowering traits of chrysanthemum (Chrysanthemum morifolium). The experiment was laid out in Randomized Complete Block Design (RCBD) with three replications. Four weeks old seedlings of chrysanthemum genotype CM-019 (flower class: Pompon and flower colour: Orange yellow) were transplanted in pot keeping under natural sunlight. The aqueous solution of GA3, BA and NAA @ 100 and 200 ppm of each were sprayed on the flower plants at monthly interval starting after one month of transplantation of seedlings along with control (water). The results revealed that vegetative growth and flowering parameters were significantly influenced by plant growth regulators. Maximum number of leaves per plant (50.0) and leaf area per plant (7.5 cm2) were recorded from the spraying of BA @ 100 ppm closely followed by BA @ 200 ppm (48.0 and 7.0 cm2/plant) and GA3 @ 100 ppm only for number of leaves (47.0/plant). Spraying of GA3 @ 100 ppm produced the tallest plant (70.0 cm) and the highest plant spread (23.0 cm). Number of flowers (26.0/plant), flower size (7.8 cm), average weight of stalk (37.0 g) and vase life (15.0 days) were also found maximum from the application of GA3 @ 100 ppm, closely followed by GA3 @ 200 ppm (23.5/plant, 7.2 cm, 36.0 g, 14.0 days) and NAA @ 100 ppm (18.5/plant, 7.0 cm, 36.0 g, 13.0 days) and irrespective of concentrations, BA failed to improve these characters. GA3 @ 100 ppm recorded maximum length of stalk (37.5 cm) and rachis (29.0 cm), which was identical with GA3 @ 200 ppm (34.6 cm and 25.0 cm), and BA @ 100 ppm gave the lowest length of stalk and rachis. GA3 also caused faster initiation of flowering, whereas NAA and BA delayed it. GA3 @ 100 ppm took the minimum days to flowering (50.0 days) was observed when plants were sprayed with GA3 @ 100 ppm whereas it was maximum (69 days) from BA @ 100 ppm treatment. It can be concluded that GA3 @ 100 ppm provided the best results for obtaining better vegetative growth of plants, maximum number of cut blooms with longer stalk as well as bigger flower size with prolonged vase life in chrysanthemum. Bangladesh J. Agril. Res. 47(1): 69-80, March 2022

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Effect of planting geometry and plant growth regulators on growth and flowering of chrysanthemum

Cited by 7 publications

References 0 publications

Assessment of Nitrogen fertigation and plant spacing in Chrysanthemum (Chrysanthemum morifolium Ramat.) cv. Ratlam selection.

Assessment of Nitrogen fertigation and plant spacing in Chrysanthemum (Chrysanthemum morifolium Ramat.) cv. Ratlam selection.

Enhance Growth and Flower Quality of Chrysanthemum indicum L. with Application of Plant Growth Retardants

Influence of Foliar Application of Growth Regulators on Vegetative Growth and Flowering Of Chrysanthemum

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