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Nitrogen Reduces Branched Broomrape (Orobanche ramosa) Seed Germination

Published online by Cambridge University Press:  12 June 2017

B. E. Abu Irmaileh*
Affiliation:
Dep. Plant Prot., Univ. Jordan, Amman, Jordan

Abstract

Laboratory experiments were carried out under aseptic conditions to study the effect of nitrogen applied as ammonium nitrate at 0, 20,40,60,80 and 100 ppm (wt per vol) in either distilled H2O or modified Hoagland's solution on germination and radicle length of branched broomrape in association with growing seedlings of different crops. As nitrogen rate increased, seed germination and radicle length of branched broomrape decreased linearly in flax, lentil, pepper, tomato, and wheat in modified Hoagland's solution. Similar responses to nitrogen application were found with distilled water. The parasite's seed germination was considerably lower in the media with wheat than with other crops, and lower still in the absence of crop seedings.

Type
Weed Biology and Ecology
Copyright
Copyright © 1994 by the Weed Science Society of America 

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References

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