Identification and development of a KASP functional marker of TaTAP46‐5A associated with kernel weight in wheat ( Triticum aestivum )

2021 ◽  
Author(s):  
Youfu Zhang ◽  
Tian Li ◽  
Yuke Geng ◽  
Yamei Wang ◽  
Yunchuan Liu ◽  
...  
Keyword(s):  
Triticum Aestivum ◽  
Kernel Weight ◽  
Functional Marker

Unconditional and conditional QTL analysis of kernel weight related traits in wheat (Triticum aestivum L.) in multiple genetic backgrounds

Genetica ◽  
2014 ◽  
Vol 142 (4) ◽  
pp. 371-379 ◽  
Author(s):  
Xinye Zhang ◽  
Zhiying Deng ◽  
Yongrui Wang ◽  
Jifa Li ◽  
Jichun Tian
Keyword(s):  
Triticum Aestivum ◽  
Qtl Analysis ◽  
Triticum Aestivum L ◽  
Kernel Weight ◽  
Conditional Qtl

SELECTION FOR YIELD, KERNEL WEIGHT AND PROTEIN CONTENT IN EARLY GENERATIONS OF SIX WHEAT CROSSES

1988 ◽  
Vol 68 (3) ◽  
pp. 641-649 ◽  
Author(s):  
H. GEBRE-MARIAM ◽  
E. N. LARTER ◽  
L. E. EVANS
Keyword(s):  
Triticum Aestivum ◽  
Protein Content ◽  
Selection Index ◽  
Correlation Coefficients ◽  
Triticum Aestivum L ◽  
Kernel Weight ◽  
High Protein ◽  
Selection Indices ◽  
Different Populations ◽  
Relative Potential

Early generation data consisting of F1 heterosis, F1, F2 and F3 mean performances, parent-offspring regression, and F2–F3 intergeneration correlation were used to identify potentially promising spring wheat (Triticum aestivum L. em Thell) crosses in terms of yield, kernel weight and protein content. The F1 test identified one high-yielding cross out of six showing significant level of higher parent (38%) and mid-parent (70%) heterosis for yield, respectively. The top yielding cross, viz. Glenlea × NB505, in F1 was also the second highest yielding population in F2 and the best yielder in F3 based on two locations. Hence, although F2 single plant productivity measurements misplaced the rankings of some of the crosses, F1 and F3 performances indicated the relative potential of the different populations. Most crosses showed nonsignificant F2–F3 regression and correlation coefficients for yield but significant coefficients for kernel weight. For protein content highly significant F2–F3 regression and correlation coefficients were observed only for crosses involving the high protein parent. The use in F1 of weight-free selection indices involving yield, kernel weight and protein content ranked Glenlea × NB505 as the best of six populations whereas in F3 the same cross had the best aggregate merit when only yield and kernel weight were considered in the index. The inclusion of protein content in the index favored a high protein cross, Sinton × Glenlea.Key words: Wheat, Triticum aestivum, heterosis, parent-offspring regression, intergeneration correlation, selection index

EFFECTS OF SEEDING RATE AND ROW SPACING ON AGRONOMIC CHARACTERISTICS OF GLENLEA, PITIC 62 AND NEEPAWA WHEATS

1975 ◽  
Vol 55 (2) ◽  
pp. 363-367 ◽  
Author(s):  
K. G. BRIGGS
Keyword(s):  
Triticum Aestivum ◽  
Unit Area ◽  
Triticum Aestivum L ◽  
Kernel Weight ◽  
Test Weight ◽  
Row Spacing ◽  
Seeding Rate ◽  
Days To Maturity ◽  
Narrow Row ◽  
Plot Design

Three cultivars of wheat (Triticum aestivum L. em Thell.), Glenlea, Pitic 62 and Neepawa, were grown in a seeding rate and row spacing experiment at two locations in 1972 and 1973. In a split-plot design, row spacings of 15, 23 and 30 cm were used as main plots, and subplot seeding rates of 33.6, 67.3 and 100.9 kg/ha were applied for each cultivar. Data were collected on yield, days to maturity, plant height, lodging, kernel weight and test weight. The few significant effects of row spacing indicated that narrow row spacings tend to increase yield and decrease days to maturity. Higher seeding rates per unit area generally resulted in higher yields for all cultivars and, to some extent, earlier maturity. Glenlea wheat seeded at 100.9 kg/ha gave the highest yield in all tests, and at this seeding rate took an average 125 days to reach maturity, compared to 120 days for Neepawa and 129 days for Pitic 62. Seeding rate had virtually no effect on height, kernel weight or test weight of any of the wheats.

The effect of common root rot on components of grain yield in Manitou wheat

1976 ◽  
Vol 54 (24) ◽  
pp. 2888-2892 ◽  
Author(s):  
P. R. Verma ◽  
R. A. A. Morrall ◽  
R. D. Tinline
Keyword(s):  
Triticum Aestivum ◽  
Grain Yield ◽  
Disease Severity ◽  
Root Rot ◽  
Major Effect ◽  
Kernel Weight ◽  
The Other ◽  
Cochliobolus Sativus ◽  
Common Root ◽  
Common Root Rot

The effects of common root rot (Cochliobolus sativus) on components of grain yield in naturally infected Triticum aestivum cultivar Manitou were studied at Matador, Saskatchewan, by sampling plants at maturity in 1969, 1970, and 1971. Plants were sorted into severe (SE), moderate (MO), slight (SL), and clean (CL) categories based mainly on the extent of lesions on the subcrown internodes. The number of tillers per plant, the number and weight of grains per head, the weight per head, and the 1000-kernel weight in each category were determined. Increasing values of all five components were consistently associated with decreasing disease severity. SE was mostly significantly different from the other three categories in all components except 1000-kernel weight; differences between SL and MO were usually non-significant. CL and SL were mostly significantly different for the number of tillers per plant and weight per head but non-significant for the weight and number of grains per head and 1000-kernel weight. Apparently, the major effect of common root rot was to reduce the number of tillers per plant and number of grains per head.

INTERPLANT AND INTRAPLANT COMPETITION EFFECTS ON MAIN STEM YIELD OF THREE DIVERSE-TILLERING SPRING WHEATS

1990 ◽  
Vol 70 (1) ◽  
pp. 1-7 ◽  
Author(s):  
P. HUCL ◽  
R. J. BAKER
Keyword(s):  
Triticum Aestivum ◽  
Grain Yield ◽  
Plant Competition ◽  
Triticum Aestivum L ◽  
Kernel Weight ◽  
Main Stem ◽  
Stem Length ◽  
Plant Densities ◽  
Four Levels ◽  
Interplant Competition

Three spring wheat (Triticum aestivum L.) genotypes (Neepawa, Siete Cerros and M1417) were subjected to four levels of tiller removal (MS remaining, MS + T1 remaining, MS + T1 + T2 remaining, control) at three plant densities (two, four and eight plants per 15-cm-diameter pot) in a controlled environment to assess the effects of interplant and intraplant competition on stem dimensions and yield-related traits of genotypes with diverse tillering habits. Both types of competition resulted in reduced kernel weight and main stem grain yield and increased yield per pot. Interplant competition also reduced harvest indices while intraplant competition reduced main stem length and main stem diameter. The oligoculm genotype, M1417, was more sensitive to interplant competition than Siete Cerros and Neepawa. The increased sensitivity of M1417 appears to result from plant mortality combined with the inability to maintain kernel mass under severe interplant competition.Key words: Triticum aestivum, wheat (spring), tiller removal, grain yield, plant competition.

COMBINING ABILITY FOR YIELD OF SYNTHETIC HEXAPLOID WHEATS

1974 ◽  
Vol 54 (2) ◽  
pp. 235-239 ◽  
Author(s):  
R. J. BAKER ◽  
P. L. DYCK
Keyword(s):  
Triticum Aestivum ◽  
Seed Yield ◽  
Combining Ability ◽  
Genetic Variance ◽  
Additive Genetic Variance ◽  
Triticum Aestivum L ◽  
Kernel Weight ◽  
Specific Combining Ability ◽  
Synthetic Hexaploid Wheats ◽  
Synthetic Hexaploid

Four hexaploid spring wheats (Triticum aestivum L.), which differ only in their D genomes, were crossed in all combinations. Heterosis was expressed in F1 and F2 for number of spikes, kernel weight, and seed yield. Failure to detect significant specific combining ability among F1 progeny suggests that only additive genetic variance is involved in the inheritance of these traits. Competition between single-spaced plants was detected.

Stettler hard red spring wheat

2009 ◽  
Vol 89 (5) ◽  
pp. 945-951 ◽  
Author(s):  
R M DePauw ◽  
R E Knox ◽  
F R Clarke ◽  
J M Clarke ◽  
T N McCaig
Keyword(s):  
Triticum Aestivum ◽  
Grain Yield ◽  
Spring Wheat ◽  
Doubled Haploid ◽  
Triticum Aestivum L ◽  
Kernel Weight ◽  
Hard Red Spring Wheat ◽  
Volume Weight ◽  
Grain Volume Weight ◽  
End Use

Based on 34 replicated trials over 3 yr, Stettler, a doubled haploid hard red spring wheat (Triticum aestivum L.), expressed significantly higher grain yield than all checks except Superb. Wheat and flour protein concentration were significantly greater than all of the checks except Lillian. It matured significantly later than AC Barrie and Katepwa but earlier than Superb. Stettler was significantly shorter than all of the checks except Superb and was more resistant to lodging than Katepwa and Laura. Stettler had high grain volume weight and intermediate kernel weight relative to the checks, and meets the end-use quality specifications of the Canada Western Red Spring wheat market class. Stettler expressed resistance to prevalent races of stem rust, common bunt and loose smut, with moderate susceptibility to prevalent races of leaf rust and fusarium head blight.Key words: Triticum aestivum L., cultivar description, grain yield, protein, disease resistance, doubled haploid

Development of a set of compensating Triticum aestivum – Dasypyrum villosum Robertsonian translocation lines

Genome ◽  
2011 ◽  
Vol 54 (10) ◽  
pp. 836-844 ◽  
Author(s):  
Cheng Liu ◽  
Lili Qi ◽  
Wenxuan Liu ◽  
Wanchun Zhao ◽  
Jamie Wilson ◽  
...  
Keyword(s):  
Triticum Aestivum ◽  
Wheat Chromosome ◽  
Triticum Aestivum L ◽  
Kernel Weight ◽  
Wild Relative ◽  
Dasypyrum Villosum ◽  
Robertsonian Translocations ◽  
Wheat Improvement ◽  
Improvement Programs ◽  
Hundred Kernel Weight

Dasypyrum villosum (L.) Candargy, a wild relative of bread wheat ( Triticum aestivum L.), is the source of many agronomically important genes for wheat improvement. Production of compensating Robertsonian translocations (cRobTs), consisting of D. villosum chromosome arms translocated to homoeologous wheat chromosome arms, is one of the initial steps in exploiting this variation. The cRobTs for D. villosum chromosomes 1V, 4V, and 6V have been reported previously. Here we report attempted cRobTs for wheat – D. villosum chromosome combinations 2D/2V, 3D/3V, 5D/5V, and 7D/7V. The cRobTs for all D. villosum chromosomes were recovered except for the 2VS and 5VL arms. As was the case with the 6D/6V combination, no cRobTs involving 2D/2V chromosomes were recovered; instead, cRobT T2BS·2VL involving a nontargeted chromosome was recovered. All cRobTs are fertile, although the level of spike fertility and hundred kernel weight (HKW) varied among the lines. The set of cRobTs involving 12 of the 14 D. villosum chromosomes will be useful in wheat improvement programs. In fact, among the already reported cRobTs, T6AL·6VS carrying the Pm21 gene is deployed in agriculture and many useful genes have been reported on other cRobTs including resistance to stem rust race UG99 on T6AS·6VL.

VALOR, A WINTER FEED WHEAT FOR THE MARITIMES

1982 ◽  
Vol 62 (2) ◽  
pp. 505-507 ◽  
Author(s):  
D. R. SAMPSON ◽  
H. G. NASS
Keyword(s):  
Triticum Aestivum ◽  
Powdery Mildew ◽  
Winter Wheat ◽  
Triticum Aestivum L ◽  
Kernel Weight ◽  
Winter Survival ◽  
Test Weight ◽  
Grain Protein ◽  
Maritime Provinces ◽  
Yield Test

Valor is a new, medium-hard, red winter feed wheat (Triticum aestivum L.) that is adapted to the Maritime Provinces of Canada. Valor was licensed in July 1981. Compared with Lennox, the principal winter wheat of the area, Valor has slightly higher yield, test weight and 1000-kernel weight, as well as greater winter survival and more resistance to powdery mildew. Valor has slightly weaker straw and lower grain protein.

scholarly journals Reaction of wheat genotypes to soil aluminum differential saturations

2003 ◽  
Vol 46 (1) ◽  
pp. 19-25 ◽  
Author(s):  
Antonio Costa ◽  
Luís Alberto Cogrossi Campos ◽  
Carlos Roberto Riede
Keyword(s):  
Triticum Aestivum ◽  
Grain Yield ◽  
Yield Components ◽  
Kernel Weight ◽  
Dolomitic Lime ◽  
Wheat Genotypes ◽  
Soil Aluminum ◽  
Yield And Yield Components ◽  
Aluminum Saturation ◽  
Red Latosol

Ten wheat (Triticum aestivum) genotypes were evaluated in microplots with aluminum saturation of 0, 15, 30 and 45%, during 1994, in Londrina, Paraná, Brazil. The soil was a Distrofic Red Latosol (Typic Haplorthox), with 65% saturation of aluminum, amended with dolomitic lime. Variables evaluated included grain yield and yield components: ears.m-2, grains.ear-1 and the weight of 1000 grains. Genotypes differed in yield and yield components. Increasing aluminum saturation decreased yield, ears.m-2 and grains.ear-1, but did not alter thousand kernel weight. The genotypes reacted differently in relation to the toxic soil aluminum. Anahuac and IAPAR 29 were aluminum sensitive; OCEPAR 16, Trigo BR 18, and Trigo BR 23 were moderately sensitive; IAPAR 6, IAPAR 53, and IAPAR 60 were moderately tolerant; while IAC 5-Maringá and Trigo BR 35 were tolerant.

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