SPL14/17 act downstream of strigolactone signalling to modulate rice root elongation in response to nitrate supply

2021 ◽  
Author(s):  
Huwei Sun ◽  
Xiaoli Guo ◽  
Xuejiao Qi ◽  
Fan Feng ◽  
Xiaonan Xie ◽  
...  
Keyword(s):  
Root Elongation ◽  
Rice Root ◽  
Nitrate Supply ◽  
Strigolactone Signalling

Mode of Safener Action of Dimepiperate, a Thiolcarbamate Herbicide, on Bensulfuron Methyl Activity

1991 ◽  
Vol 46 (9-10) ◽  
pp. 887-892 ◽  
Author(s):  
Takeshi Yuyama ◽  
Shinichi Shirakura ◽  
Kozo Ishizuka
Keyword(s):  
Broad Spectrum ◽  
Root Elongation ◽  
Paddy Rice ◽  
The Other ◽  
Inactivation Rate ◽  
Rice Root ◽  
Sulfonylurea Herbicide ◽  
Other Hand

Abstract Bensulfuron methyl is a sulfonylurea herbicide controlling a broad spectrum of broadleaf and sedge weeds in paddy rice. Safening effects with certain thiolcarbamate herbicides for grass control have been discovered in the process of combination products development. The results of mode of safening studies revealed that the enhancement of metabolic inactivation rate of bensulfuron methyl in plants was the basis of safening.Among these thiolcarbamates, dimepiperate was unique in exhibiting safening action even in direct water-seeded rice. Further studies on dimepiperate effects on root-applied bensulfu­ron methyl indicated that rice root elongation, enhanced metabolism in roots and in shoots, were the key to the safening effects. The translocation rate of bensulfuron methyl, from roots to shoots, on the other hand, was not significantly affected by dimepiperate.

Global Genome Expression Analysis of Transcription Factors under PEG Osmotic Stress in Rice Root System

2009 ◽  
Vol 35 (6) ◽  
pp. 1030-1037 ◽  
Author(s):  
Ting-Chen MA ◽  
Rong-Jun CHEN ◽  
Rong-Rong YU ◽  
Han-Lai ZENG ◽  
Duan-Pin ZHANG
Keyword(s):  
Transcription Factors ◽  
Osmotic Stress ◽  
Root System ◽  
Expression Analysis ◽  
Rice Root ◽  
Genome Expression

Growth of Ornamental Plants in Compacted Soils in Relation to Root Growth under Low Oxygen and High Atmospheric Pressure

HortScience ◽  
1998 ◽  
Vol 33 (3) ◽  
pp. 479d-479
Author(s):  
Michael Knee ◽  
Ruth Brake
Keyword(s):  
Atmospheric Pressure ◽  
Root Elongation ◽  
Native Plants ◽  
Tagetes Patula ◽  
Low Oxygen ◽  
Compacted Soils ◽  
Bedding Plants ◽  
Four Levels ◽  
Physical Resistance ◽  
High Atmospheric Pressure

In urban situations, particularly after construction, herbaceous ornamentals may be planted into soils that are compacted or have poor structure so that plant roots may encounter poor aeration or physical resistance. Low oxygen concentrations may be the most important aspect of poor aeration and are readily reproduced in the laboratory. High atmospheric pressure might be used to screen for the ability to grow against physical resistance. We tested the suggestion that “native” plants would grow better in compacted soils than typical bedding plants and for differences in tolerance to low oxygen or high pressure. Plants were grown from seed in the greenhouse at four levels of compaction in peat-based medium and in field soil. Shoot dry weights of the native plants Asclepias tuberosa, Echinacea purpurea, and Schizachyrium scoparius, were less affected by growth in compacted soil or peat medium than those of the bedding plants, Antirrhinum majus, Gypsophila elegans, Impatiens balsamina, Tagetes patula and Zinnia elegans. The oxygen content of media declined with compaction to a minimum of 10 kPa. Half maximal root elongation was observed at 1 to 3 kPa oxygen for most species without any separation between the groups. A presure of 1100 kPa reduced root elongation of the bedding plants by 50 to 70% but only 5 to 20% for the native plants.

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