Management of environment (lower humidity, higher temps) and fungicides can control this. Mark Mazer Hertford, NC USDA 8a On Wed, Jan 14, 2015 at 4:31 PM, Makiko Goto-Widerman < makikogotowiderman@me.com> wrote: > Mark, > I should toss the plants? > > Makiko > > On Jan 14, 2015, at 1:27 PM, Mark Mazer <markemazer@gmail.com> wrote: > > > Browning at Babiana leaf tips is an indication of a wintertime Botrytis > > infection. > > > > Mark Mazer > > Hertford, NC USDA 8a > > > > On Wed, Jan 14, 2015 at 2:38 PM, James Waddick <jwaddick@kc.rr.com> > wrote: > > > >> Dear Bob, > >> > >> You seem to have hit the nail on the head (Carpenter -wise) with > >> your plumbing suggestions. Bad roots usually means bad leaf tips. Too > far > >> from the water source to ‘prime' the ‘pump' and ‘pipes’ all the way to > the > >> leaf tips. > >> > >> And like you I have salt build up and pH changes due to hard > >> water. Some plants need frequent ‘flushing’. Usually a summer outdoors > >> gives them enough rain water flushing to last for a long time, but watch > >> out. Pots get crusted with calcium deposits and need heavy cleaning and > >> brushing before reuse. > >> > >> I’ll keep this hand plumbing vocabulary in mind for the future. > >> Best Jim > >> > >> > >> > >>> On Jan 14, 2015, at 12:47 PM, penstemon <penstemon@Q.com> wrote: > >>> > >>>> Browning at the leaf tips is the first sign that what Jerry Morris > >> (dwarf conifers) calls “the pump” is not working properly. The area > >> farthest away from the roots, the leaf tips, is the first to show signs > of > >> inadequate hydration. > >>> > >>> One of the most startling things I read there was the necessity of > >> flushing the potting mix (with water) from time to time to avoid salt > >> build-up, and the effect salts have on root hydraulic conductivity. > >> > >> > >> James Waddick > >> 8871 NW Brostrom Rd > >> Kansas City, MO 64152-2711 > >> USA > >> Phone 816-746-1949 > >> > >> > >> > >> > >> > >> _______________________________________________ > >> pbs mailing list > >> pbs@lists.ibiblio.org > >> http://pacificbulbsociety.org/list.php > >> http://pacificbulbsociety.org/pbswiki/ > > _______________________________________________ > > pbs mailing list > > pbs@lists.ibiblio.org > > http://pacificbulbsociety.org/list.php > > http://pacificbulbsociety.org/pbswiki/ > > _______________________________________________ > pbs mailing list > pbs@lists.ibiblio.org > http://pacificbulbsociety.org/list.php > http://pacificbulbsociety.org/pbswiki/ > _______________________________________________ pbs mailing list pbs@lists.ibiblio.org http://pacificbulbsociety.org/list.php http://pacificbulbsociety.org/pbswiki/