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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2020)
[Effective from January 1, 2020]
For more details click here

ICV 2019: 96.39
Index Copernicus ICI Journals Master List 2019 - IJCMAS--ICV 2019: 96.39
For more details click here

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Original Research Articles

PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com / submit@ijcmas.com
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2022.11(10): 55-63
DOI: https://doi.org/10.20546/ijcmas.2022.1110.007


Effect of Azotobacter Isolates on Growth of African Marigold (Tagetes erecta L.)
H. Gaikwad*, V. M. Karade, P. S. Sidnale, D. A. Patil and M. S. Barge
Rajarshee Chatrapati Shahu Maharaj College of Agriculture, Kolhapur, India
Department of Plant Pathology and Agricultural Microbiology, Mahatma PhuleKrishi Vidyapeeth, Rahuri - 413-722, India
*Corresponding author
Abstract:

The present investigation entitled “to study the effect of Azotobacter isolates on growth of African marigold (Tagetes erecta L.)” (Variety – Omni Yellow) at PG farm of Rajarshee Chatrapati Shahu Maharaj College of Agriculture, Kolhapur during summer season of the year 2020-21. The randomized block design (RBD) was used for the field experiment. The results of investigation showed that the application of 75% RDN + 100%RDP and K + seedling + soil both treated with commercial strain of Azotobacter (Azotobacter chroococcum) found more effective and showed profuse growth and yield characters of African marigold followed by the treatment 75% RDN + 100% RDPK + seedling + soil both treated with Strain – A of Azotobacter (ATHM1) and 75% RDN + 100% RDPK + seedling + soil treated with Strain – B of Azotobacter (ATKM3). These treatments were statistically at par with one another and superior over other treatments. The treatment 75% RDN + 100% RDPK + seedling + soil both treated with commercial strain of Azotobacter (Azotobacter chroococum) showed profuse effect on the growth parameter viz. maximum plant height (74.53 cm), primary branches (19.50), secondary branches (61.87) and plant spread (50.63 cm). It enhanced the flowering parameters viz. number of buds (17.92), number of flowers (9.30), flower diameter (7.56 cm) and weight of single flower (16.26 gm) and maximum yield per plot (15.86 kg), and total yield (16.31 t/ha). It has also increase a available N in soil (177.88 kg/ha) followed by the results of treatment 75% RDN + 100% RDPK + seedling + soil both treated with Strain – A of Azotobacter (ATHM1) gave plant height (73.97cm), primary branches (19.40), secondary branches (60.80) and plant spread (48.39cm), number of buds (16.99) number of flowers (8.78), flower diameter (7.16 cm) and weight of single flower (15.78 gm) and gave yield per plot (14.72 kg) and total yield (15.05 t/ha), also has increase a available N content of soil (175.77 kg/ha). Thus, the present investigation confined that an application of Azotobacter strains with the seedling dip treatment and soil drenching found to be more effective along with 75 % RDN, and 100% RDPK and saving of 25% dose of nitrogen.


Keywords: Tagetes erecta L, Virgin Marry’, ‘friendship flower’, climatic conditions
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How to cite this article:

Gaikwad, P. H., V. M. Karade, P. S. Sidnale, D. A. Patil and Barge, M. S. 2022. Effect of Azotobacter Isolates on Growth of African Marigold (Tagetes erecta L.).Int.J.Curr.Microbiol.App.Sci. 11(10): 55-63. doi: https://doi.org/10.20546/ijcmas.2022.1110.007