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Field Dodder (Cuscuta campestris)—A New ModelDescribing Temperature-Dependent Seed Germination

Published online by Cambridge University Press:  20 January 2017

Yaakov Goldwasser*
Affiliation:
R. H. Smith Institute of Plant Science and Genetics in Agriculture, R. H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, P.O. Box 12, Rehovot, Israel 76100
Hadas Miryamchik
Affiliation:
R. H. Smith Institute of Plant Science and Genetics in Agriculture, R. H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, P.O. Box 12, Rehovot, Israel 76100
Baruch Rubin
Affiliation:
R. H. Smith Institute of Plant Science and Genetics in Agriculture, R. H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, P.O. Box 12, Rehovot, Israel 76100
Hanan Eizenberg
Affiliation:
Department of Phytopathology and Weed Research, Agricultural Research Organization, Newe Ya'ar Research Center, P.O. Box 1021, Ramat Yishay 30095, Israel
*
Corresponding author's E-mail: yaakov.goldwasser@mail.huji.ac.il
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Abstract

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The members of the genus Cuscuta (common name: dodder) areobligate holoparasitic plants that are found throughout the agriculturalregions of the world. Of all of the species of dodder, field dodder (Cuscuta campestris) causes the most damage to crops.This species parasitizes the shoots of broadleaf plant crops and weeds. Weconducted a series of field dodder seed germination tests incontrolled-temperature chambers, in order to describe the effect oftemperature on field dodder germination and develop a germination modelbased on the obtained data. The best fit was obtained when temperature dataand time were transformed to thermal time using the beta-function model. Thefield dodder germination model can serve as a tool for knowledge-basedpredictions of germination and emergence timing, to allow for theimplementation of effective mechanical and chemical management measures.

Information

Type
Weed Biology and Ecology
Copyright
Copyright © Weed Science Society of America