Gibberellic Acid a Plant Growth Regulator - The Combine Forum
 
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post #1 of 6 (permalink) Old 06-02-2015, 06:57 PM Thread Starter
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Gibberellic Acid a Plant Growth Regulator

A beautiful rainy day - so "research" on the web time. Have wondered about PGRs for awhile. Would like to push the lentils along and get a few more days of flowering if possible. Have found some research online - seems most is based around greenhouses and square feet not acres.

Anybody have any thoughts or knowledge on gibberellic acid (GA 3) or any other plant growth regulators. I may try Ryzup Smartgrass (from Valent in the U.S.) on some barley.

Must be a slow day if I'm taking the time to find a "face" and attach..

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post #2 of 6 (permalink) Old 06-02-2015, 08:14 PM
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We use gib acid on grazing cereals and winter pasture. We use it to get extra winter dry matter production. (>1t/ha vs untreated). Trialled it on grazing canola with no result. Works best with a bit of N and when day time temps are below 10 degrees C.

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post #3 of 6 (permalink) Old 06-03-2015, 10:15 AM Thread Starter
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Thank you bull for the response. I managed to read about 5 doctoral type research papers on PGRs ( a potential cure for insomnia ) and have also developed an interest in kinetin.

Was guessing that with the all views of this topic that someone else must have started some research. The research is interesting and based upon it I think that I would look to either soak my lentil seed for a period of time ( 12 -24 hours in studies) and/or spray over the top after a yet to be determined level of growth. Figuring that with all the free time I have when seeding, that option will prove to be the best.
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post #4 of 6 (permalink) Old 06-08-2015, 07:48 AM
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Originally Posted by thebull View Post
We use gib acid on grazing cereals and winter pasture. We use it to get extra winter dry matter production. (>1t/ha vs untreated). Trialled it on grazing canola with no result. Works best with a bit of N and when day time temps are below 10 degrees C.
Hi bull,

How does GA go in winter cereals? I've put some on Perrenial pastures (ryegrass, philaris and cocksfoot based pastures each in different paddocks to get some more feed before ewes start lambing). I was thinking about putting ga on some oats I sowed for feed. What rate did you put in on at and how much water?

Cheers

Mark
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post #5 of 6 (permalink) Old 06-08-2015, 05:25 PM
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Originally Posted by bdacres View Post
Thank you bull for the response. I managed to read about 5 doctoral type research papers on PGRs ( a potential cure for insomnia ) and have also developed an interest in kinetin.

Was guessing that with the all views of this topic that someone else must have started some research. The research is interesting and based upon it I think that I would look to either soak my lentil seed for a period of time ( 12 -24 hours in studies) and/or spray over the top after a yet to be determined level of growth. Figuring that with all the free time I have when seeding, that option will prove to be the best.
I'm pretty sure you'll be wanting to spray it on, you don't want to inhibit growth/ stop germination by soaking the seeds. Also the effect would wear off after X amount of time
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post #6 of 6 (permalink) Old 06-08-2015, 08:20 PM
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Swoopa - go the full rate of 80 ml / ha @ 100L. We got a great response on wheat last season.
Just about to go this year with a K, P, B, N mix with Gala
You don't want s frost for a couple of days after.
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