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Differential absorption and translocation of bensulfuron-methyl between selected rice cultivars  [1988]

Guh, J.O. (Chonnam Univ., Kwanju (Korea R.)) Pyon, J.Y. (Chungnam Univ., Taejon (Korea R.)) Ishizuka, K. (Tsukuba Univ., Tsukuba (Japan))

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Abstract
A serial study on differential response in absorption and translocation of (14)C-bensulfuron-methy1 was conducted by use of a group of selected rice cultivars as the tolerant or the suseptible to bensulfuron-methly. 1. Differential Response in absorption and translocation of selected cultivar group. The susceptible cultivar group has reached as higher rate as 102%, 113%, 115%, 127% and 113% of the tolerant cultivar group in root absorption per seedling, per unit dry weight, and the rate of translocation from bottom to shoot, respectively. 2. Differential response in absorption and translocation of selected rice cultivar as affected by exposed time of root portion upto 48 hrs. Regardless of leaf stage of experimented plants, the amount of absorption per seedling and per unit dry weight has reached rather higher in the susceptible (cv. IR 1846) than the tolerant (cv. Chinsurah Boro 2). However, separating by portions, the tolerant was realized higher rate of absorption in root but the susceptible in shoot, respectively. Translocation rate from root to shoot, namely the individual seedling based rate of radioactivity in shoot to total radioactivity, was significantly higher in the susceptile than the tolerant. Depending on higher rate of seedling growth at the time of chemical treatment, the susceptible (cv. IR 1846) was seemed more sensitive even at equivalent rate of absorption and translocation
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Other subjects

  • arroz
  • riz
  • resistencia quimica/ variedades
  • translocation
  • absorption
  • resistance aux produits chimiques/ variete
  • temps
  • seleccion
  • selection
  • tiempo
  • absorcion
  • herbicide
  • translocacion
  • herbicidas

From the journal

Korean Journal of Weed Science (Korea R.)

ISSN : 0253-7468

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Other information

Language : Korean

Type : Summary

In AGRIS since : 1990

Volume : 8

Issue : 1

Start Page : 45

End Page : 52

All titles :

" Differential absorption and translocation of bensulfuron-methyl between selected rice cultivars "