View Full Version : Ryegrass problems,,,,, input needed
12-04-2002, 08:20 PM
This is a pic of some ryegrass that is healthy in some spots and yellowing and wilting in others,,,any ideas?
12-04-2002, 08:24 PM
more info,> temps as low as 25* highs in the 50's. It is a blend (Futura 3000) irrigated, full sun.
Also what are the reccomended temps for applying Ironite? The local EXT Office is not aware of using Ironite,so I need your input.
we need better pic's.. more resolution and lighting..
12-04-2002, 10:30 PM
haha,,,,better resolution ='s better camera :p can't help ya there,,I'll go take a couple more samples in the morning and see if I can improve the lighting.
Any experiences with the Ironite in cool weather?
ironite is crap... use a liquid chelated prduct, like from roots inc.
try solid white paper with a desk lamp above the sample.. try to show any visual markings or discoloring. take a shot at the crowns also.
12-05-2002, 05:04 PM
Here's a couple more pix >
12-05-2002, 05:05 PM
mines the green one in the background
12-05-2002, 05:07 PM
12-05-2002, 05:08 PM
man this camera stinks :(
12-05-2002, 05:18 PM
closer pic of good section and bad
sorry i cant help, go to the extention office
12-05-2002, 05:21 PM
when TREMORE spots this tread he will ID it.
I am not sure what symptoms you are trying to display, but in zone 8, I am pretty sure you would not have Gray Leaf Spot. In zone 8, this is overseeded turf, as Ryegrass, even the endophyte containing strains, will not survive with higher soil temps, especially adjacent to an impermeable surface like a road. I am much more inclined to think there is a problem with the host turf which is affecting the overseeded turf. In zone 8, at this time, the main pathogens for turf dieases are root born, ie Brown patch, Curvularia, and to a much lesser extent, Pthyium & even less likely, Anthracnose.
Unfortunately, your pictures are hard to diagnose from.
Submit a sample to an extension office or diagnostic lab with all the symptoms.
This time of year, don't be surprised if the answer comes back nematodes either. Dependent upon soil type and structure, nematodes can make a pattern of injury here.
12-06-2002, 02:24 PM
I tend to agree with what you are saying. I got in on this account late in the year and it had recieved no quality care for the last 3 yrs.I wish I had before and after pix. It had never been aerated,soil sampled,or much of anything except mowing(poorly at that).The host grass is on it's way out so this overseeding was a crutch to get a decent looking lawn untill spring. It was infested with grubs& weeds so who knows what else it needs.
The local ext office guy is out right now ,but I left him a couple of samples to look over when he returns.One of a good patch and one of a bad section. I also noticed that the soil samples we recieve here don't include micro nutrient tests so I don't know where the lawn stands in those respects either. (P) & (K) were in good shape as of the last test,(N) was WAY low but it should be back up there by now.
Thanks for your input.
Turfpro, give me a call and we can talk about this. My office number is 830-693-0598. Us "southern" boys need to stick together.
Look to hear from you,
12-07-2002, 01:28 PM
I'll do that,Thanks!
You are several hours south of me but I'd still like to pick your brain.
12-10-2002, 11:58 PM
I enjoyed our discussion the other day,,, learned alot!
BTW: I couldn't find any of those web sites we discussed,if you can Email the links to me (when you get time) I'd appreciate it.
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