Electronic Journal of Polish Agricultural Universities (EJPAU) founded by all Polish Agriculture Universities presents original papers and review articles relevant to all aspects of agricultural sciences. It is target for persons working both in science and industry,regulatory agencies or teaching in agricultural sector. Covered by IFIS Publishing (Food Science and Technology Abstracts), ELSEVIER Science - Food Science and Technology Program, CAS USA (Chemical Abstracts), CABI Publishing UK and ALPSP (Association of Learned and Professional Society Publisher - full membership). Presented in the Master List of Thomson ISI.
2002
Volume 5
Issue 1
Topic:
Agronomy
ELECTRONIC
JOURNAL OF
POLISH
AGRICULTURAL
UNIVERSITIES
Swarcewicz M. , Bhowmik P. , Mitra S. 2002. PLANTS RESPONSE TO ISOXAFLUTOLE RESIDUES IN SOIL, EJPAU 5(1), #02.
Available Online: http://www.ejpau.media.pl/volume5/issue1/agronomy/abs-02.html

PLANTS RESPONSE TO ISOXAFLUTOLE RESIDUES IN SOIL

Maria K. Swarcewicz, Prasanta C. Bhowmik, Sowmya Mitra

 

ABSTRACT



A plant bioassay technique was developed for detecting residues of isoxaflutole in the soil. Radish (Raphanus sativus L.), oilseed rape (Brassica napus L.), wheat (Triticum aestivum L.) and maize (Zea mays L.) were grown in treated soil with various concentrations of isoxaflutole. A Hadley fine sandy loam (Typic Udifluvents) soil (South Deerfield, MA) was used for bioassay study. Bioassay was conducted in a controlled growth chamber. Isoxaflutole inhibited the growth of radish and oilseed rape. Wheat was more tolerant to isoxaflutole even at concentrations several orders of magnitude higher than the concentrations used for radish and oilseed rape. Maize was tolerant to isoxaflutole in a fine sandy loam soil. The amount of the herbicide required to reduce the above-ground growth of test species by 50%, GR50 was estimated from dose-response data, using logistic regression curves.

Key words: isoxaflutole, plant bioassay, residues in soil, herbicides.