Abstract:
:One commonly observed effect of phytotoxic compounds is the inhibition or delay of germination of sensitive seeds. Mustard (Sinapis alba L.) seeds were incubated with aqueous extracts of sunflower (Helianthus annuus L.) leaves. Although sunflower phytotoxins did not influence seed viability, extracts completely inhibited seed germination. Inhibition of germination was associated with alterations in reserve mobilization and generation of energy in the catabolic phase of germination. Degradation of lipids was suppressed by sunflower foliar extracts resulting in insufficient carbohydrate supply. The lack of respiratory substrates and decrease in energy (ATP) generation resulted in suppression of the anabolic phase of seed germination and ultimately growth inhibition.
journal_name
J Chem Ecoljournal_title
Journal of chemical ecologyauthors
Kupidłowska E,Gniazdowska A,Stepień J,Corbineau F,Vinel D,Skoczowski A,Janeczko A,Bogatek Rdoi
10.1007/s10886-006-9183-zsubject
Has Abstractpub_date
2006-12-01 00:00:00pages
2569-83issue
12eissn
0098-0331issn
1573-1561journal_volume
32pub_type
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