What is it about?
Water stress at flowering caused a significant reduction in four root traits, namely number of above ground whorls occupied with brace roots (9.31%), number of brace roots (18.27%), number of crown roots (11.50%) and root dry weight (28.31%), but caused a significant increase (elongation) in crown root length (9.90%). On the contrary, WSG caused significant increases in three root traits, namely number of brace roots (10.10%), number of crown roots (14.71%) and root dry weight (11.60%), but caused a significant reduction in branching density of crown roots (10.05%).
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Why is it important?
Significant differences were observed among genotypes for all studied root traits and grain yield across all irrigation regimes.
Perspectives
The cultivars P-3444, Egaseed-77 and SC-128 were considered tolerant genotypes to drought at flowering and grain filling and would be recommended to future breeding programs for improving maize drought tolerance.
Professor Ahmed Medhat Mohamed Al-Naggar
medhatalnaggar@gmail.com
Read the Original
This page is a summary of: Influences of Genotype and Drought at Flowering and Grain Filling on Root Architecture Traits of Zea mays L., Asian Journal of Agricultural and Horticultural Research, December 2018, Sciencedomain International,
DOI: 10.9734/ajahr/2018/45846.
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