Len, do you have enough minerals in your water? I had many weak flower spikes and drooping flowers when on RO water and fertilizer that did not contain Calcium and the other macro minerals. I use the MSU fertilizer with the maro minerals now and no longer have a problem. Cynthia, Prescott, AZ
> From: [EMAIL PROTECTED] > Subject: Re: [OGD] Oncidium Bloom spike collapse > Hi, I need some help regarding a mule ear oncidium problem. > > Over the years I have seen a number of bloom spikes of various > hybrids or species mule ears reach 12 or more inches and then simply > collapse or bend in the middle of the spike; ending blooming for that > growth. Some do bloom normally. I have been told that sunlight could > cause this, doing something to the sugars in the stem, but putting > plants in a shady area did not make a difference. Some of those > shaded also collapsed. > > We have just been through a heatwave and one spike of 4 has now > collapsed, but I do not know if it is heat related. The greenhouse > was in the 90's during the worst of it. (The evaporative cooler can > only do so much with the high humidity present also. But other spikes > are still intact. > > But could something else cause this? > > Len Henschel _______________________________________________ the OrchidGuide Digest (OGD) [email protected] http://orchidguide.com/mailman/listinfo/orchids_orchidguide.com
