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MITOCHONDRIAL HETEROSIS IN MAIZE [PDF]
MANY hybrids between genetic pure lines in maize exhibit heterosis. The search for the genetic basis of heterosis has been carried on for many years and by many workers. Despite these efforts, an adequate, specific biochemical explanation of heterosis has not been presented.
Robert G. McDaniel, Igor V. Sarkissian
openaire +2 more sources
Dependence of the Heterosis Effect on Genetic Distance, Determined using Various Molecular Markers
A number of studies have shown that the greater the genetic diversity of parental lines, the greater the heterosis effect. Genetic or phenotypic variation can be estimated by genotype testing on the basis of the observations obtained through prediction ...
Agnieszka Tomkowiak+3 more
semanticscholar +1 more source
ABSTRACT Fall armyworm (FAW) (Spodoptera frugiperda J. E. Smith) has emerged as a serious pest since 2016 in Africa, affecting the food security and livelihoods of millions of smallholder farmers, especially those growing maize. Native genetic resistance to FAW is essential for reducing yield loss.
Adamu Masari Abubakar+6 more
wiley +1 more source
Background The massive structural variations and frequent introgression highly contribute to the genetic diversity of wheat, while the huge and complex genome of polyploid wheat hinders efficient genotyping of abundant varieties towards accurate ...
Jianxia Niu+15 more
doaj +1 more source
OsLG3 contributing to rice grain length and yield was mined by Ho-LAMap
Background Most agronomic traits in rice are complex and polygenic. The identification of quantitative trait loci (QTL) for grain length is an important objective of rice genetic research and breeding programs.
Jianping Yu+19 more
doaj +1 more source
AFLP Fingerprinting and Genetic Diversity of Main Sweetpotato Varieties in China
AFLP fingerprinting of the 98 main sweetpotato varieties planted in China has been constructed. Using 17 AFLP primer combinations which were selected from 1 208 primer combinations and generated the most amounts of polymorphic bands, AFLP analysis of the
De-gao LIU+7 more
doaj
Heterosis and inbreeding depression for yield and its components traits in barley (Hordeum vulgare)
Heterosis and inbreeding depression was analysed using a set of diallel crosses involving 10 diverse parents (excluding reciprocals). Heterosis over standard parent for grain yield per plant ranged from -9.65–45.45 (%) and -14.78–12.05 (%) under normal ...
R S RAIKWAR
doaj +1 more source
Recent research on the mechanism of heterosis is important for crop and vegetable breeding systems
Heterosis or hybrid vigor is a phenomenon where hybrid progeny have superior performance compared to their parental inbred lines. This is important in the use of F1 hybrid cultivars in many crops and vegetables.
R. Fujimoto+7 more
semanticscholar +1 more source
ABSTRACT Cage fish farming, a recent development in aquaculture, has enhanced fisheries production due to its higher stocking densities than traditional pond and open‐water systems. Although it can enhance production, the system can pose biodiversity threats when there is an unintentional or intentional release of stocked fish into the wild.
Gerald Kwikiriza+10 more
wiley +1 more source
Plant architecture is the key factor affecting overall yield in many crops. The genetic basis underlying plant architecture in rapeseed (Brassica napus), a key global oil crop, is elusive.
Haitao Li+9 more
semanticscholar +1 more source