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Floral Impotency Due to Cool Weather in Paddy Rice Plants in the Early-season Culture Area : III. Effect of growth retardant on the reduction of necessary water depth in the deep irrigation method at the booting stage
Antiauxin Cool-summer damage Growth retardant IBP Inabenfide Necessary water depth in deep irrigation method Paclobutrazol Uniconazole
2009/7/31
For the purpose of improving the deep irrigation method as a countermeasure of floral impotency due to cool weather by means of a reduction of the necessary water depth to protect young panicles, stu...
Relationship between Root Respiration and Silica : Calcium Ratio and Ammonium Concentration in Bleeding Sap from Stem in Rice Plants during the Ripening Stage
Ammonium Bleeding Calcium Rice Root respiration
2009/7/29
Rice plants were given various treatments, such as organic matter application, a large amount of nitrogen as topdressing and light shading of 75%, and ammonium (NH3), silica (SiO2) and calcium (Ca) in...
Regularity in Variation of Leaf Color and Nitrogen Distribution in Half-Leaf Blades by Leaf Position on the Stems of Rice Plants:II. Uneven translocation of nitrogen between outside and inside half-leaves
Chlorophyll meter value Distribution Half-leaf blade Leaf blade width Nodal root Translocation
2009/7/27
We have reported in a previous paper that the outside half-leaf had a smaller volume and deeper leaf color than the inside half-leaf. The half-leaf color was not dependent only on the difference in le...
Relationship between the Numbers of Crown Roots and Stems per Hill in Rice Plants
Lower shoot unit roots Non–productive stem Number of roots Number of stems Productive stem
2009/7/8
Crown roots consist of elongating roots and stunted roots, and are classified into upper shoot unit roots, lower shoot unit roots, and prophyll shoot unit roots according to shoot unit theory. The re...
Estimation of Sterility Percentage Caused by Cool Temperature in Rice Plants Using Nonparametric Regression
Cool degree days Cool summer tolerance Nonparametric regression Paddy rice Sterility caused by cool summer
2009/7/8
To evaluate the incidence of cool summer damage as early as possible, we made a model to estimate the sterility percentage from the cool degree days in the consecutive developmental stages of young p...