Genetic Variation for Seedling Traits in Hydroponics and Correlated Response with Mature Plant Traits on Acid Soil Field
Journal Title: International Journal of Plant & Soil Science - Year 2016, Vol 10, Issue 6
Abstract
Four levels of aluminium activity (0, 5, 50 and 300 μMAl3+) were used to screen soybean seedlings in hydroponics for 3 days (3D) and 13 days (13D). The objective of the research was to determine genetic variation for aluminium stress tolerance in seedlings (primary root length, root and shoot dry weight) and to correlate the hydroponics result with that of mature plants on acid soil field. The four levels of aluminium activity constituted the main plots while 49 soybean genotypes constituted the subplots in a split-plot design, with three replications in both 3D and 13D. Genetic variance was higher than other variance components, leading to moderate to high heritability estimates (56.16 – 92.52%) for aluminium stress tolerance in both 3D and 13D hydroponics media. Genetic Coefficient of variation (GCV) ranged from a very low value of 1.88% for shoot dry weight in 13D hydroponics media to a very high value of 116.39% for primary root length in the 3D hydroponics media with higher phenotypic coefficient of variation (PCV) in 3D and 13D. The GA for primary root length was high in 13D (95.30%) and very high in 3D (187.37%) compared to very low values (2.71 – 9.01%) observed for the root and shoot dry weights in both 3D and 13D hydroponics media. Significant and highly significant positive correlations were observed between most of the seedling traits in 3D and 13D and between the hydroponics and acid soil field in general. The results of the current study indicate that aluminium stress tolerance in tropically adapted genotypes of soybean is heritable and that there is sufficient genetic variation for selection of seedling traits of the studied population in hydroponics. The results of correlation also implies that a two – stage selection process, beginning with selection of tender seedling root traits at 50/300 µMAl3+ in 3D, to be subsequently followed by selection for root dry weight at 0 µMAl3+ in 13D prior to acid soil field evaluation. Further studies on the activity of manganese and iron on the growth and development of soybean in the presence and absence of aluminium is required.
Authors and Affiliations
G. O. S. Ojo, L. L. Bello, S. A. Ayuba
Keywords
Related Articles
- EP ID EP351502
- DOI 10.9734/IJPSS/2016/25902
- Views 93
- Downloads 0
Estimation of Regional Evapotranspiration Based on Tri-Angle Method Using Thermal and VNIR Data
Evapotranspiration is a critical component in the hydrological cycle, water resources management and climate studies especially in arid and semi-arid regions. This paper aimed at producing a simplified and applicable pro...
Effect of Dolomitic Lime and Muriate of Potash on Jelly Seed Disorder and Fruit Tissue Mineral Content in Mango (Mangifera indica L.)
One of the factors contributing to mango (Mangifera indica L) losses in Kenya and other parts of the world is jelly seed physiological disorder. It is thought to be related to imbalances of N, K, Mg and Ca supply to the...
Effect of GA3 Plus Yogen Foliar Fertilization on Yield and Fruit Quality of Red Dragon Fruit at Lap Thanh District in Vietnam
The present study aimed to evaluate the effect of GA3 plus Yogen foliar fertilization application on fruit yield and quality of TL4 red dragon fruit from March to Agust 2015 at Lap Thach district, northern Vietnam. The e...
Heterobeltiosis and Genetic Assortive Mating for Yield and Its Component Characters in Hot Pepper (Capsicum annuum var. annuum)
To measure the extent of heterosis and inbreeding depression in hot pepper, the study was conducted at Horticultural College and Research Institute, Periyakulam, Tamil Nadu Agricultural University, India during the year...
Antimicrobial Effects of Four Plant Extracts against Post Harvest Spoilage Fungi of Yam (Dioscorea rotundata Poir)
This study investigated the effects of plant extract on fungal pathogens responsible for yam rot in storage. Among the eight fungal pathogens isolated from yams with symptoms of post-harvest rot, the inhibitory effects o...