Heterosis is an important biological phenomenon and widely applied in agriculture.Although many studies have been performed by using vegetative organs of F_1 hybrid plants,how heterosis (or hybrid vigor) is initiated and formed,particularly the underlying
Grain number per panicle (GNP) is a complex trait controlled by quantitative trait loci (QTL),directly determining grain yield in rice.Identifying GNP-associated QTL is desirable for increasing rice yield.A rice chromosome segment substitution line (CSSL)
Seed germination is the beginning of a new lifecycle,and involves many complex physiological and biochemical reactions including seed reserve mobilization in the endosperm and nutrient transport and reuse in the embryo.Although glutelin is a dominant stor
Oilseed rape (Brassica napus) with yellow flowers is an attractive ornamental landscape plant during the flowering period,and the development of different petal colors has become a breeding objective.Although yellowish flower color is a common variant obs
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The ratoon stunting disease (RSD) of sugarcane,caused by the bacterium Leifsonia xyli subsp.xyli,is one of the major concerns to sugarcane production and breeding programs worldwide.Due to no obvious external symptoms,RSD cannot be easily detected by the
Alfalfa (Medicago sativa L.) is the most widely cultivated perennial leguminous forage crop woldwide.Micro RNA156 (miR156) precursor genes from dicotyledonous species are reportedly useful for improving alfalfa plant architecture and abiotic stress resist
Temperature of a plant organ constitutes an integrative index to its eco-physiological properties and status.However,little attempt has been made to dissect the combined effect of ecological and physiological factors on the surface temperature of a plant
The breeding of herbicide-resistant wheat varieties has helped control weeds in wheat fields economically and effectively.Imidazolinone (IMI) herbicides are popular as they have low toxicity in mammals,are effective at small doses,and exhibit broad-spectr