International Journal of Applied Agricultural Sciences
Volume 2, Issue 4, July 2016, Pages: 64-68
Received: May 31, 2016;
Accepted: Jun. 6, 2016;
Published: Jun. 20, 2016
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Ali Mohammed Oleiwi, Directorate of Horticulture, Ministry of Agriculture, Baghdad, Iraq
Medhat Mejeed Elsahookie, College of Agriculture, University of Baghdad, Dept. of Crop Sciences, Baghdad, Iraq
Layla Ismail Mohammed, College of Agriculture, University of Baghdad, Dept. of Crop Sciences, Baghdad, Iraq
To determine the influence of selection on castor bean plants tolerance to saline sodic soil, three planting methods were used; in the bottom of furrow, at the side of furrow, and in rows of plots. The soil was saline sodic (pH > 8.4, SAR < 13, Ec < 4 dS/m), the cultivar of castor bean was Hindi 21. The experiments were conducted in 2010 and 2011 on the farm of Field Crops, Coll. of Agric., Univ. of Baghdad. At maturity, selected plants of those gave higher seed yield were harvested from each treatment. Selection pressure used on plant populations was 10%. In the second year, seeds from each of the three treatments with the control were planted on the same field with 53 and 89 thousand plants/ha. The design used was a factorial with RCBD of three replicates. The results revealed that selected plants from row planting out yielded the other three treatments in seed yield/plant, seed no./plant, seed weight and harvest index. The values were 61 g, 251 seeds, 0.25 g, and 9.9%, respectively. The lower planting density gave higher plant seed yield, seed no./plant and harvest index (55.6 g, 281 seeds, 8.0%). It was concluded that selection on individual plants from planting in rows was effective to create a new variation in castor bean tolerance to saline sodic soil. The higher percent of heritability was in total dry matter (98.9%), crop growth rate (98.4%), and plant seed yield (96.8%). That was indicating that genetic variance has the significant influence in phenotypic variance.
Ali Mohammed Oleiwi,
Medhat Mejeed Elsahookie,
Layla Ismail Mohammed,
Performance of Castor Bean Selects In Saline Sodic Soil, International Journal of Applied Agricultural Sciences.
Vol. 2, No. 4,
2016, pp. 64-68.
Copyright © 2016 Authors retain the copyright of this article.
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