It is said that sildenafil citrate can help preserve flowers. Here's an experiment that you could do at home, but probably shouldn't, to find out.
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Alun Salt
Abscisic acid affects rice cell wall phosphate remobilization and P transporation
Abscisic acid (ABA) is a well-studied phytohormone known to be involved in sub-sets of stress responses in plants, such as iron (Fe) deficiency and phosphorus (P) deficiency in Arabidopsis. However, whether ABA is...
botanyone