Zhihai Zhang's research while affiliated with China Agricultural University and other places
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Publications (2)
Key message
A total of 389 and 344 QTLs were identified by GWAS and QTL mapping explaining accumulatively 32.2–65.0% and 23.7–63.4% of phenotypic variation for 14 shoot-borne root traits using more than 1300 individuals across multiple field trails.
Abstract
Efficient nutrient and water acquisition from soils depends on the root system architectur...
Appropriate root system architecture (RSA) can improve maize yields in densely planted fields, but little is known about its genetic basis in maize. Here we performed root phenotyping of 14,301 field-grown plants from an association mapping panel to study the genetic architecture of maize RSA. A genome-wide association study identified 81 high-conf...
Citations
... Thus, deciphering the molecular mechanisms underlying brace root emergence and growth stages is imperative for a deeper understanding of maize root architecture. The characteristics of maize brace roots, such as whorls, the number of roots per whorl, diameter, and spread width, significantly correlate with lodging resistance [5,11,13,15]. Particularly, the spread width is closely associated with root length and root angle, shaped during brace root growth [5,8]. Despite extensive research, mutants like rootless concerning crown and seminal roots1 (rtcs1) [16], rtcs-like1 (rtcl1) [16], lateral rootless1 (lrt1) [17], auxin regulated gene involved in organ size8 (argos8) [18], rootless1 (rt1) [19], and big embryo1 (bige1) [20], have revealed their influence on brace root whorls, number, and emergence. ...
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