Patent Number: 6,333,450

Title: Methods of selecting plants having delayed or inhibited ripening or senescence

Abstract: The present invention provides, inter alia, a method of obtaining plants which exhibit delayed or inhibited fruit ripening and/or vegetable tissue senescence comprising: (i) growing seedlings thereof in the presence of an auxin polar transport inhibitor and selecting those seedlings the hypocotyledon of which grows at an acute angle of less than about 70.degree. to the horizontal; and/or-- (ii) contacting the seeds of plants which have a low or reduced polar auxin transport with a conjugation inhibitory amount of an inhibitor of cytokinin-N.sup.7.9 glycosyl conjugation and selecting from the thus contacted seeds those which germinate.

Inventors: De Nijs; Johannes Jacobus Maria (Enkhuizen, NL), Broer; Jacobus (Enkhuizen, NL), Van Doorn; Johannes Elizabert (Grootebroek, NL)

Assignee: Syngenta Participations AG

International Classification: A01H 1/04 (20060101); A01H 5/10 (20060101); A01H 005/00 (); A01H 005/10 ()

Expiration Date: 12/25/2018