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Auxin is a phytohormone essential for plant development. However, our understanding of auxin-regulated endosperm development remains limited. Here, we described rice YUCCA (YUC) flavin-containing mono...
This study was designed to compare leaf water potential (LWP) and grain yield responses to drought imposed during the grain-filling stage in several Japonica dryland (upland) and wetland (paddy) rice...
In order to clarify the response of crops to sink restriction, we examined the effects of ear removal on photosynthesis of the flag leaf in wheat. For 11 days there was no difference in CO2 exchange r...
To define the growth phases for analyzing the physiological and morphological mechanisms of grain filling in a spring wheat canopy, the dry weight of the grains and the water soluble sugar content (WS...
The effects of water stress on the grain growth of rice appear to depend on the stages of plant development. The plants which were subjected to water stress during the grain-filling period produced mo...
Summer crop plants grown in rain-fed fields suffer from drought during a hot and relatively dry summer after the rainy season called "Baiu" in Japan. Since crop plants might develop vigorous shoots wi...
To determine the effects of assimilate shortage to grain filling mechanisms in spring wheat canopy (cv. Haruyutaka), we examined the accumulation and translocation of dry matter in grain, along with w...
The dry weights and water soluble sugar contents (WSC) in grain, ear, culm and leaves of the field grown spring wheat (cv. Haruyutaka) were measured every morning and evening throughout the grain fill...
Brassinolide (BL), a brassinosteroid, applied to rice plants in pots promotes panicle ripening. In this study, we examined the effect of BL applied at the meiosis and flowering stages on endogenous le...
The observed reaccumulation of non-structural carbohydrates (NSC) in culm and leaf sheath in the later half of the grain filling period, in spite of the existence of imperfectly filled rice spikelets,...
Improvement of wheat flour quality, an increase in grain nitrogen content accompanied by an increase in grain yield, is required through cultivation techniques and breeding program. Changes in nitroge...
A regression analysis was conducted on four grain filling phases to evaluate differences in plant growth and assimilate accumulation in spring wheat varieties. Three varieties, early semi-dwarf Haruy...
Changes in the number and size of spikes, grains, endosperm cells and starch granules was examined in relation to the limited assimilates caused by shading treatments. Spring wheat canopy (Triticum ae...
Rice plants (Oryza sativa L.) were grown under normal (350 μL L-1 CO2) and CO2-enriched (660 μL L-1 CO2) conditions, and 13CO2 was supplied to the rice plants after heading to examine the translocatio...
Rice cultivars with numerous spikelets per panicle (extra-heavy panicle types) frequently fail to exhibit their high yield potential due to low grain filling. Existing genetic variation in grain filli...

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