Effect Of Plant Growth Regulators On Flowering And Yield Attributes Of African Marigold (Tagetes Erecta. L)

Authors

  • Anandhi Selvarasu , Abinaya. C., Ashika Parveen. K., Dharani. S., Kousika. S., Lincy Sona. C., Sharmila Bai. I and Sowntharya. S

DOI:

https://doi.org/10.47750/pnr.2022.13.S09.115

Abstract

An experiment was conducted to find out the “Effect of plant growth regulators on flowering and yield of African marigold (Tagetes erecta Linn)”. The experiment was laid out in Randomized Block Design (RBD) with three replications. There were nine treatments, viz., GA3 100 ppm, GA3 200 ppm and GA3 300 ppm, NAA 100 ppm, NAA 200 ppm, NAA 300 ppm, Ethrel50 ppm, Ethrel100 ppm, and Ethrel150 ppm and control. Among the growth regulators tried, GA3 200 ppm as foliar application on 30 and 60 days after transplanting registered the highest values for plant characters like plant height (47.1 cm), number of branches ( 35.1), days taken to first flower bud appearance (39.3 days), days taken to opening of first flower (37.6 days), shelf life of flower in plant (11.17 days), stalk length (12.1 cm), diameter of flower (7.8 cm), number of flowers per plant (40.3), weight of the single flower (9.1 g), yield of flowers per plant (337 g), flower yield per plot (11.1 kg). From the present study, it is recommended that spraying of GA3 200 ppm on 30 and 60 days after transplanting improved yield and quality of African marigold.

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Published

2022-11-14 — Updated on 2022-11-14

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How to Cite

Anandhi Selvarasu , Abinaya. C., Ashika Parveen. K., Dharani. S., Kousika. S., Lincy Sona. C., Sharmila Bai. I and Sowntharya. S. (2022). Effect Of Plant Growth Regulators On Flowering And Yield Attributes Of African Marigold (Tagetes Erecta. L). Journal of Pharmaceutical Negative Results, 963–968. https://doi.org/10.47750/pnr.2022.13.S09.115

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