This paper may be useful if you want to try using chemicals to enhance anther dehiscence.
“Jasmonic acid has been shown to be a critical signal for dehiscence, although other hormones, particularly auxin, are also involved. The key regulators and physical constraints of anther dehiscence are discussed.”
Link: jxb.oxfordjournals.org/content/early/2011/02/16/jxb.err014.abstract?papetoc