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Rice yield is reduced by a short period of water stress at the early panicle-development stage. This study was conducted to examine the factors that reduce the panicle dry weight of rice subjected to ...
A large number of sterile spikelets were induced by low-temperature at the booting stage of rice plants during the middle to the end of July in 1988. The authors investigated various aspects of occur...
Rice panicles start to transpire just after heading. We can therefore expect that the water potential of panicles changes little prior to heading and varies in response to transpiration after heading...
The effects of drought on the rice yield differ depending on the time when plants are subjected to the drought. It is therefore probable that water stress susceptibility, the degree of yield reduction...
To provide new information on salt stress in rice plant based on developmental morphology, structural changes of panicle and spikelet were investigated. As the salt concentration increased, growth and...
Under the hypothesis that environmental responses of ontogenetic development of rice are different before and after panicle initiation (PI), a model for simulating rice panicle development and heading...
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...
Does Regional Temperature Difference before the Panicle Initiation Affect the Tolerance for Low Temperature-Induced Sterility in Rice?
The effects of elevated carbon dioxide concentration ([CO2]) on silica deposition on husk epidermis of rice (Oryza sativa L. cv. Akitakomachi) during the flowering stage were investigated in this stud...
The method of estimating the developmental stage necessary to prevent and analyze the cool damage in rice plants using meteorological elements was examined. We investigated the relationship between th...
In 1998, premature heading was observed in the early season culture field of the extremely early rice cultivar ‘Tosapika’ in Kochi Prefecture. To clarify the factors associated with that, the effect o...
Average rice grain weight decreases under a high night temperature condition, and the quality of rice grain becomes poor under either high night or high day temperature condition. The effects of expos...
A japonica rice (cv.Koshihikari) was used to test the effects on blooming and ripening of UV-B radiation treatment combined with high temperature treatments (day/night, 35 / 30°C). Strong UV-B radiati...
Field experiments were carried out at 8 sites: Chiang Mai and Ubon in Thailand, Taoyuan of Yunnan and Nanjing in China and Kitakami, Ina, Kyoto and Matsue in Japan, to clarify the relationship between...
The factors affecting amylose content of the rice variety "Kirara 397" were analyzed. Temperature during grain filling, planting year, kind of seedling, heading date, and the location of grains on pa...

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