YIELD RESPONSE OF GROUNDNUT (ARACHIS HYPOGAEA L.) VARIETIES TO GYPSUM AND RHIZOBIA INOCULATION IN THE NIGERIAN SAVANNA
1 Department of Agronomy, Institute for Agricultural Research Ahmadu Bello University, Zaria.
2 Department of Agronomy, Institute for Agricultural Research, Ahmadu Bello University, PMB 1044, Zaria, Nigeria.
* Corresponding author: khairatdaud@yahoo.com
2 Department of Agronomy, Institute for Agricultural Research, Ahmadu Bello University, PMB 1044, Zaria, Nigeria.
* Corresponding author: khairatdaud@yahoo.com
Abstract
Yield and yield parameters of two groundnut (Arachis hypogaea L.) varieties under varying rates
of gypsum and rhizobia inoculation levels were studied under field condition in 2012 wet
seasons and 2012/13 dry season at the Institute for Agricultural Research Farm, Ahmadu Bello
University, Samaru and Irrigation Research Station of the Institute for Agricultural Research,
Kadawa respectively. The treatments consisted of factorial combinations of two varieties of
groundnut (SAMNUT 22 and SAMNUT 23), five levels of gypsum (0, 50,100,150 and 200kg ha-
1) and two levels of rhizobiainoculation (inoculated and uninoculated). The treatments were
arranged in a randomized complete block design and replicated three times. Results of the
experiment from the two locations showed that application of gypsum and rhizobia inoculation
had no significant effect on the parameters examined. However, SAMNUT 22had a significantly
higher values of 100 kernel weight, shelling percentage, kernel yield plant-1, pod yield plant-1 in
Samaru and harvest index in Kadawa compared to SAMNUT 23. Significant interactions
wererecordedbetween; gypsum rates andrhizobiainoculation in 100 kernel weight at Samaru and
between gypsum rates and variety on the pod yield in Kadawa. Based on the results obtained
from the two locations, gypsum fertilization and rhizobia inoculation did not influence the yield
and yield parameters, while SAMNUT 22 performed better than SAMNUT 23. In conclusion,
application of gypsum may not be necessary on soils high in calcium while further inoculation
studies should be carried out on groundnut with the right strains of bacteria and SAMNUT 22
can produce better yield in both seasons.
Keywords
Gypsum
Rhizobia Inoculation
SAMNUT 22 and SAMNUT 23.
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How to Cite
H, D., A, B. B., O, O. O., & A, M. A. (2016). YIELD RESPONSE OF GROUNDNUT (ARACHIS HYPOGAEA L.) VARIETIES TO GYPSUM AND RHIZOBIA INOCULATION IN THE NIGERIAN SAVANNA. Gashua Journal of Irrigation and Desertification Studies, 2(2), 108-116. https://doi.org/10.67390/gjids.2016.n7ckz354
D. H, B. B. A, O. O. O, and M. A. A, "YIELD RESPONSE OF GROUNDNUT (ARACHIS HYPOGAEA L.) VARIETIES TO GYPSUM AND RHIZOBIA INOCULATION IN THE NIGERIAN SAVANNA," Gashua Journal of Irrigation and Desertification Studies, vol. 2, no. 2, pp. 108-116, November 2016. doi: 10.67390/gjids.2016.n7ckz354
