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Messages - Millet

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Citrus General Discussion / Re: Citrus buds swelling, time to fertilize?
« on: January 25, 2021, 03:49:56 PM »
It is important to understand that warm winter temperatures, not irrigation or fertilization, play the major role in stimulating untimely  winter flushes of large, mature trees. However, when unseasonably  warm temperatures occur, young trees may flush more easier than larger mature trees, especially trees planted the previous fall.  If such young trees flush during winter months,  fertilization may stimulate additional, tender growth, making trees even more susceptible.  Consider the degree of flush, tree size, time of year, and geographic location when making this decision.  (Florida Your Dooryard Citrus Guide).

Eric, my Ponkan tree is an in ground tree, and is about 10 years old.  I have NEVER had a dry Ponkan.

Citrus General Discussion / Re: Do nematodes attack the roots of citrus?
« on: January 25, 2021, 11:26:24 AM »
The answer to your question is most definitely YES   

Owari and Xie Shan both of which are top quality seedless Satsumas.  Ponkan, which contains a few seeds is among the largest
size satsuma is also excellent . 

850FL, yes they do, but the more flowers, even with early drop, results in more fruit.

Oncorhynchus, you should contact IFAS-Extension Bookstore  UF/IFAS Communication Service PO Box 110011 Gainesville, FL 32611-0011 352-392-2411 and purchase the booklet  "Florida Your Dooryard Citrus Guide" written by Jim Ferguson,   It is a 40 page pamphlet  with color pages  It will tell you everything about growing home Florida citrus.  Very easy reading.

Citrus General Discussion / Re: Inground citrus fertilizer
« on: January 22, 2021, 10:33:14 AM »
Vlad, the important thing is to fertilize citrus trees aside of the formula one uses.  The 6-6-6; 8-8-8; and 10-10-10 formulations are the recommendations of the University of Florida.

Citrus General Discussion / Re: Inground citrus fertilizer
« on: January 21, 2021, 10:37:44 PM »
I also use Jacks 25--5-15 for in ground trees that are growing inside a greenhouse.  For trees that are growing outdoors, for example in a front or back yard many people use common ones such as 6-6-6; 8-8-8 and for older large trees 10-10-10.  I also use Jacks for container trees.

I had a Hong Kong kumquat tree that I grew from seed, and the tree did produce fruit the first year.  Definitely not eatable.  I got tired of taking care of it and tossed it.  This was 10 years ago, and I no longer remember where I got the seed.

CLas may infect the citrus seeds, the results of this study do not support the vertical transmission of viable cells of CLas from seeds to seedlings.

HLB (Citrus Greening) is no respecter of mounds, nor sulfur.   If I as going to plant a citrus tree in So. Florida, I would plant a Sugar Belle.  Sugar Belle has shown some resistance to HLB.

Cold Hardy Citrus / Re: Changsha mandarin opinions
« on: January 19, 2021, 11:14:07 AM »
My computer has no problem accessing citrus pages.  I have been on citrus pages many times and never had a problem.

Iron Sulfate, Copper Sulfate, Zinc sulfate & Manganese sulfate.

Cold Hardy Citrus / Re: Changsha mandarin opinions
« on: January 16, 2021, 03:12:35 PM »
Jim VH, thank your for a most informational post.  Exceedingly interesting.   Looking forward to your future experimentation with the fruit.

The reason Urea is used to supply nitrogen via foliar spays, is because the time for 50% leaf absorption of the chemical is only 1/2 - 2 hours.  Many chemicals take days or weeks.  The best time to apply foliar fertilizers is early morning, when the plant's stomates are open.
If temperatures are projected to reach approximately 85-F or higher during the day, applications should be made just after daybreak or after the temperature drops in the evening and the relative humidity increases.  Winter applications should be made at midday, when temperatures are suitable warm.  Avoid spraying to runoff.  Excessive liquid per tree causes pooling of the fertilizer at the tip of the leaf, which can result in tip burn.  Nutrient uptake is best when the application solution is at a pH from 5.5 to 6.6 .  Last note: For most cation nutrients (magnesium, potassium, zinc manganese and iron), application as a sulfate salt is equally effective as chelated products and less expensive.

Cold Hardy Citrus / Re: Hybrids in zone 7a after a low of 12f (-11c)
« on: January 14, 2021, 11:04:12 PM »
Poncirus is deciduous by nature.  My FD loses its leaves during the winter even growing in a warm greenhouse.  Therefore, deciduousness can be effected just by shorter day length.

Winter prebloom foliar spray application of low Biuret urea is known to greatly increase flower number, thus greater crop yield.  Proper timing is important to achieve the desired outcome.  Winter prebloom sprays are designed to increase flower number and fruit yield without reducing fruit size. Winter prebloom foliar sprays with low biuret urea (46-0-0 <0.5% biuret) is applied at the rate of .44-lbs. (200-grams) in 2 gallon of water plus one teaspoon of a good surfactant per gallon.. For large area sprays (acres) 50-lbs. per 225 gallons water. NOTE: a second low biuret urea foliar spray should also be done after early fruit drop and June drop periods to insure an  increase in fruit size.  In most areas  this would be around July 1 to July

Cold Hardy Citrus / Re: new growth pointed down
« on: January 12, 2021, 09:33:22 PM »
All branches turn down sooner or later.

Citrus General Discussion / Re: issue with Citrus forum?
« on: January 12, 2021, 06:23:37 PM »
A few forum members have messaged me regarding their posts and messages from the 9th being missing.

I was told that was caused by GoDaddy moving our hosting. The move took about a day, so everything that was posted after the move started was not transferred when the move was completed.

I don't think there was a way around that issue.

I just wanted to let everyone know about the issue so no one would think that we intentionally deleted their posts and messages from that day.

Citrus General Discussion / Re: Trifoliate graft incompatibilities?
« on: January 12, 2021, 11:58:32 AM »
Many of my trees are grafted upon Flying Dragon (FD).  The oldest one is a 25 year old Cara Cara.  Presently the FD root stock is approximately 1.5 inches wider than the scion all the way around, The tree is now 11-feet tall and 12-feet around, healthy and has been from the original planting.   I have always been a big FD root stock fan.  FD has a long history of producing excellent tasting full size fruit.

Daintree are you saying that your tree has not had any leaves for a year?

Some members might not know the reasons to apply the first spray , called the winter spray, of low biuret urea.  This first spray is designed to increase flower number and yield of commercially valuable sized fruit WITHOUT reducing fruit size  Later applications are better than those that are too early.  This is because once this opportunity to increase flower number has passed, late applications of low biuret urea will still increase the retention of abscising reproductive organs. Citrus Production Manual

Seanny, you can still spray even though your tree still has some hanging fruit.

Cold Hardy Citrus / Re: Changsha mandarin opinions
« on: January 11, 2021, 11:24:37 AM »
I think it was lost along with other posts by a hack on this site.

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