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A total of 2959 Chinese cultivated soybeans were examined for saponin composition by thin-layer chromatography. Thirteen components were distinguished as five groups, group A (Aa, Ab, Ax, Ad, Ae and Af), DDMP (αg and βg), group B (Ba), group α (H-αg, I-αg and K-αg), and group β (KA-αg). The detected composition included four common phenotypes (Aa, Ab, AaBc, AbBc) and five new types (AaβKA, AbαH, Aaα...
Inheritance of grape berry volatile compounds was studied in the half-sib populations of ‘Jingxiu’ × ‘Muscat of Alexandria’ and ‘Jingxiu’ × ‘Xiangfei’ during two successive years. Twenty-two volatile compounds were identified via GC–MS. Monoterpenes were detected in the paternal parents ‘Muscat of Alexandria’ and ‘Xiangfei’, which were Muscat grapes, but not in the non-Muscat maternal parent ‘Jingxiu’...
Maize head smut (MHS) caused by the fungi Sporisorium reilianum (Kühn) Landon and Fullerton (S. reilianum) is the most serious disease occurred in China recently. There are only a few reports concerning the genetics of this disease and the resistant gene of maize. In this paper a new dominant resistant gene to MHS caused by the pathogen Shenyang-1 of S. reilianum was discovered from a newly developed...
Maternal inheritance of sugars and acids in peach fruit were investigated during two successive years using reciprocal populations derived from ‘low acid’ (LA) flat peach ‘Zaolupan’ and non-LA round peach ‘Zaoxing’. The reciprocal populations segregated into LA round, LA flat, non-LA round and non-LA flat-fruited offspring. Generally, the reciprocal populations had similar range and mean values of...
High-oil maize (Zea mays L.) has special value in animal feed and human food. Two hundred and eight-four and 265 F2:3 families developed from two crosses between one high-oil maize inbred and two normal dent maize inbreds were evaluated for grain oil and starch contents under two environments. Using composite interval mapping, 1–6 QTL for each trait were detected under each environment and in combined...
In previous studies, we successfully transferred the P genome of Agropyron cristatum into wheat using wide hybridization methods. In the current investigation, repetitive sequences were cloned and DNA markers specific for the P genome of A. cristatum were developed. Three P genome-specific markers, designated OPX07-1036, OPX11-817 and OPC05-1539, were identified and isolated using random amplified...
Despite the well-recognized importance of grain yield in high-oil maize (Zea mays L.) breeding and production, few studies have reported the application of QTL mapping of such traits. An inbred line of high-oil maize designated ‘GY220’ was crossed with two dent maize inbred lines to generate two connected F2:3 populations with 284 and 265 F2:3 families. Our main objective was to evaluate the influence...
Popping expansion volume (PEV) is the most important quality trait in popcorn, while its germplasm is inferior to normal dent/flint corn in yield. In this study, 259 F2:3 families, developed from the cross between a dent corn inbred Dan232 and a popcorn inbred N04, were evaluated for their PEV, grain weight per plant (GWP) and 100-grain weight (100 GW) in two environments. The genetic relationship...
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