Direct and Indirect Contributions of Yield Components to The Kernel Yield of Groundnut (Arachis hypogaea (L.) Under Effects of N and Poultry Droppings in Alectra Infested Field in Nigeiran Savanna
Journal Title: International Journal of Farming and Allied Sciences - Year 2014, Vol 3, Issue 2
Abstract
A field study was undertaken in 2007 and 2008 rainy seasons in the northern Guinea Savanna ecology, Nigeria. The investigation was conducted with the objectives of assessing the efficacyy of nitrogen and poultry droppings in ameliorating the effects of Alectra parasitism on groundnut (Arachis hypogaea (L.)The trial was laid out in split –plot design. Four groundnut varieties (SAMNUT-10, SAMNUT-11, SAMNUT-22 and Local cheds “Kampala” were assigned to the main plots. Three nitrogen levels (0,25, 50KgNha-1) and three rates of poultry droppings (0. 2.5 , 5.0 tonnes ha-1) were combined in factorial lay in the sub-plots. These were replicated thrice. The path analysis showed that number of pods plant-1 gave the highest percentage yield contribution of 28.10%. This was followed by plant heigt (9WAS) and shelling percentage which contributed 12.85% and 10.2% respectively. Number of pods plant -11 and shelling percentage exhibited the highest combined percentage contribution of 15.61%. This was followed b combination of plant height and shelling percentage which gave 2.56%. These suggest that number of pods plant -1 and shelling percentage should be considered as useful selection criteria in groundnut.
Authors and Affiliations
Yohanna Mamma Kwaga
Keywords
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