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Journal of Pharmacognosy and Phytochemistry

Journal of Pharmacognosy and Phytochemistry

Vol. 10, Issue 1 (2021)

Effect of different methods of Zn application on Zn, Fe, Cu and Mn concentration and uptake in some cowpea genotypes grown in mollisols of India

Author(s):

Santosh Chandra Bhatt, Deepa Rawat, Satya Pratap Pachauri and Prakash Chandra Srivastava

Abstract:
A pot experiment was conducted in the green house of GB Pant University of Agriculture and Technology Pantnagar, to study the effect of different methods of zinc application (soil application of 2.5 mg Zn kg-1 soil (Zn2.5), soil application of 2.5 mg Zn kg-1 soil + foliar application of zinc (Zn2.5 +F), no application of Zn (Zn0) on zinc, copper, iron and manganese concentration in straw and grains and its uptake by twelve promising cowpea genotypes.
The main effect of genotypes and Zn levels had statistically significant influence on the average Zn concentration and its uptake in straw and grains of all cowpea genotypes. The main and interaction effect of zinc levels had no significant on copper concentration in grains and straw of all cowpea genotypes, whereas the significant increase in copper uptake was observed in grains of all cowpea genotypes with the soil application 2.5 mg Zn kg-1 soil and conjoint use of 2.5 mg Zn kg-1 soil and foliar application of zinc over no application of zinc. The main effect of zinc supply regimes showed that soil application of 2.5 mg Zn kg-1 soil and conjoint use of 2.5 mg Zn kg-1 soil and foliar application of zinc had no statistically significant effect on average iron concentration in straw and grains while a significant increase in average iron uptake was observed in grains and straw of all cowpea genotypes, the interaction effect of genotypes and zinc supply regimes had statistically significant influence on average iron concentration in grains and straw of all cowpea genotypes. The main effect of soil application of Zn 2.5 mg kg-1 soil showed a significant increase in manganese concentration in grains of cowpea genotypes, while manganese concentration in grains was reduced with the conjoint use of soil application of Zn 2.5 mg Zn kg-1 soil and foliar application of Zn.

Pages: 380-388  |  665 Views  213 Downloads


Journal of Pharmacognosy and Phytochemistry Journal of Pharmacognosy and Phytochemistry
How to cite this article:
Santosh Chandra Bhatt, Deepa Rawat, Satya Pratap Pachauri and Prakash Chandra Srivastava. Effect of different methods of Zn application on Zn, Fe, Cu and Mn concentration and uptake in some cowpea genotypes grown in mollisols of India. J Pharmacogn Phytochem 2021;10(1):380-388.

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