Global Advanced Research Journal of Agricultural Science (GARJAS) ISSN: 2315-5094
May 2019 Vol. 8(4): pp. 179-184
Copyright © 2019 Global Advanced Research Journals

 

Full Length Research Paper

Improvement of Zinnia flower (Zinnia elegans) through evaluating of various pinching methods

Lesen Ullah1, Noor ul Amin2, Asif Wali1, Amjad Ali1, Sadat Sher Khan1, Mirza Sikandar Ali3, Rehmat Kabir4

1Department of Agriculture and Food Technology, Karakorum International University Gilgit-Pakistan

2Department of Horticulture, Faculty of Crop Production, the University of Agriculture Peshawar-Pakistan

3Department of Plant Protection, Faculty of Crop Protection, the University of Agriculture Peshawar-Pakistan

4Mountain Agricultural Research Station Chilas, Gilgit Pakistan

*Corresponding Author's Email: dr.asifwali@kiu.edu.pk

Accepted 14 April, 2019

 

Abstract

A field trial was carried out to investigate the response of different Zinnia cultivars to various pinching methods. The experiment was laid out in an RCB design with two factorial arrangements in three replicates. Control, single pinching and double pinching with cultivars Sun Gold, Master Elite, Magellan Orange and Dreamland Red were performed. The results illustrate that both pinching methods and cultivars significantly affected all the parameters except the plant height. Maximum days to flowering (64.83), number of branches (20), number of flowers plant-1 (16.11), fresh flower weight (14.03 g), flower diameter (13.86 cm), and stem girth (15 mm) were noticed in plants subjected to double pinching, while minimum were noticed in control. Whereas, lowest plant height (58.42 cm) was documented in plants treated with double pinching. Among cultivars, maximum plant height (75.11 cm), number of branches (20.89), number of flower plant-1 (16.45) and flower diameter (12.22 cm), were observed in cultivar Sun Gold, while maximum fresh flower weight (13.29 g) and stem girth (15.56 mm) were noticed in cultivar Magellan Orange. Maximum days to flowering (61.00) were noted for cultivar Master Elite. Smallest plant height (55.56 cm), number of branches (14.00), number of flower plant-1 (11.28), fresh flower weight (10.08 g), flower diameter (10.36 cm), and stem girth (9.56 mm) were recorded for cultivar Master Elite, as minimum days to flowering (54.56) was counted in Magellan Orange. The interaction among pinching methods and cultivars were found non significant. From the findings of this research, it may be concluded that cultivar Sun Gold in combination with double pinch could enhance the production of Zinnia flowers.

Keywords: Zinnia, pinching, cultivars, physiological characteristics 

 

 

 

 

REFERENCES

 

Beniwal BS, Ahlawat VP, Rakesh K (2003). Studies on the effect of spacing and pinching on growth and flower production of chrysanthemum cv. Flirt. Haryana J. Hort. Sci. 32: 228-229.

Beniwal BS, Ahlawat VR, Rakesh, Dahiya SS (2005). Effect of spacing and pinching on flower production of chrysanthemum cv. Flirt. Haryana J. Hort. Sci. 34(1-2) 97-98.14.

Brum B, Santos VJ, Rodrigues MA, Belle RA, Lopes SJ (2007). Growth, duration of the growing stages and inflorescence production of chrysanthemum under different prunings and size of pot. Ciencia Rural 37: 682-689.

Chauhan S, Singh CN, Singh AK (2005). Effect of vermi compost and pinching on growth and flowering in marigold cv. Pusanarangigainda. Progressive Hort. 37 (2): 419-422.

Cohoon S (2000). "Zinnias: Champions of summer." Sunset. Sunset Publishing Corp. High Beam Res.2 Dec.2010.

Dorajeerao AVD, Mokashi AN (2012). Branching pattern as influenced by pinching time in garland chrysanthemum (chrysanthemum coronarium l.). Ind. J. Plant Sci. 1 (1): 9-15.

Johnson CN, Kessler JR (2007). Greenhouse Production of Bedding Plant Zinnias. Alabama Cooperative Extension System.ANR-1311.

Karunananda DP, Peiris SE (2010). Effect of Pinching, Cycocel and B-nine Treatments on Branching Habit of Pot Poinsettia (Euphobia Pulcherrima Willd). 21(3): 284-292.

Kour R, Khajuria S, Sharma M, Sharma A (2012). Effect of spacing and pinching on flower production in marigold cv. Pusa Narangi Gainda in mid-hills of J&K state. The Asian J. Hort. 7: 307-309.

Kour RK, Sharma S, Munish (2012). Effect of spacing and pinching on flower production on marigold cv. Pusa Narangi Gainda in mid hills of J&K State. Asian’s. Hort. 72:30.

Larson RA (1980). Introduction to Floriculture. Academic Press, Inc. U.S.A.

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Rakesh K, Singhrot RS, Singh RP, Sharma JR (2005). Flowering and yield response of Chrysanthemum to GA3 and pinching treatments. Haryana J. Hort. Sci. 34: 93-94.

 

 

 

 

 

 

 

 

 

 

 

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