What is it about?
Field trials were carried out to study the performance of 23 AYB genotypes in four-year environments.. The results shows that rainfall distribution between 680 and 1,700mm with an average temperature of 28.50°C under sandy-clay soil type supported high and stable seed yield production in AYB. This environment was found adequate during the 2014 (E1) growing season. Genotypes TSs118, TSs12, TSs109, TSs148, TSs5, TSs61, and TSs69 produced an above-average mean yield across the years and were found to be productive and stable in all the year environments. TSs82 and TSs6 with aboveaverage mean seed and tuber yield can be considered for cultivation where seed and tuber dual-purpose production is to be maximized, while TSs111, TSs49, and TSs96 with high tuber yield ranking above average total tuber yield can be further enhanced for tuber production.
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Why is it important?
Genotype stability studies are important in classifying genotype adaptation and consistency in yield performance. Such studies will reduce efforts and save costs in engaging unpredictable field locations for farming and crop breeding research
Perspectives
This research is very important because, low income country like Nigeria can survive hunger and poverty with utilization of appropriate genoytpe of African Yam Bean coupled with favourable weather condition and edaphic factors. This findings and technology can be disseminated to poor nd small scale farmers in order to enhance their productivity and improve their standard of living.
Kayode Samuel Obaniyi
Landmark University
Read the Original
This page is a summary of: Assessing yield stability in African yam bean (Sphenostylis stenocarpa) performance using year effect, Open Agriculture, January 2020, De Gruyter,
DOI: 10.1515/opag-2020-0020.
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