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Response of Calli and Seedlings of Tomato (Lycopersicon esculentum) Cultivars to Metribuzin

Published online by Cambridge University Press:  12 June 2017

Howard F. Harrison Jr. ,
Prashant Bhatt  and
George Fassuliotis
Howard F. Harrison Jr.
Affiliation:
Agric. Res. Serv., U.S. Dep. of Agric., U.S. Vegetable Lab., 2875 Savannah Highway, Charleston, SC 29407
Prashant Bhatt
Affiliation:
Agric. Res. Serv., U.S. Dep. of Agric., U.S. Vegetable Lab., 2875 Savannah Highway, Charleston, SC 29407
George Fassuliotis
Affiliation:
Agric. Res. Serv., U.S. Dep. of Agric., U.S. Vegetable Lab., 2875 Savannah Highway, Charleston, SC 29407
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Abstract

Hypocotyl callus cultures were established from six tomato (Lycopersicon esculentum L.) cultivars that exhibited differential tolerance to preemergence and postemergence metribuzin [4-amino-6-tert-butyl-3-(methylthio)-as-triazin-5(4H)-one] at 0.5 kg ai/ha in the greenhouse. Metribuzin in a low sucrose growth medium inhibited callus growth, but calli were not highly sensitive to the herbicide Differences between cultivars in the response of calli to 50 ppm metribuzin were observed. The degree of tolerance of tomato cultivars to postemergence metribuzin at 0.5 kg/ha was similar to the degree of tolerance of their hypocotyl calli to 50 ppm metribuzin in the growth medium.

Keywords

Herbicideplant tissue culture
Type
Research Article
Information
Weed Science , Volume 31 , Issue 4 , July 1983 , pp. 533 - 536
Copyright
Copyright © 1983 Weed Science Society of America 

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References

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