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Effect of High Water-Temperature on the Morphology of Crown Roots and Leaf in Rice Plants
Crown root Developmental stage High water-temperature Leaf blade Leaf sheath
2009/8/5
This study was undertaken to clarify the variation of the leaf sizes as well as the number and diameters of the crown roots in rice plant, that had been subjected to high water-temperature (35°C) at t...
The Role of Crown Roots from Coleoptilar Node in the Rooting and Development of Transplanted Rice Nursling Seedlings
Coleoptilar node Crown root First node Nursling seedling Rice Rooting Root pruning
2009/7/22
The root system of rice nursling seedlings is composed of a seminal root and crown roots from coleoptilar node. The roots were cut at various locations, and the treated seedlings were grown for seven ...
The Correlation of the Resistance to Root Lodging with Growth Angle, Diameter and Pulling Strength of Crown Roots in Rice Seedlings
Oryza sativa L Pushing resistance Crown root Root lodging resistance Growth angle
2009/7/9
Twenty typical Indica and Japonica rice varieties were tested for resistance to root lodging using a push-pull gauge for two years. Pushing resistance varied from 0.56 N to 2.57 N among the 20 varieti...
Formation and Emergence of Crown Roots in Rice Seedlings Transplanted after Root–Pruning
Transplanting Rooting Crown root Primordia Leaf emergence
2009/7/8
Effects of root pruning on the formation and the emergence of crown roots in young rice seedlings were examined. The seedlings at the 3.2 leaf stage after pruning all roots were transplanted to the pa...
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...