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Messages - Millet

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Citrus General Discussion / Re: variegated citrus
« on: June 22, 2018, 10:55:39 PM »
If so rarely.

Citrus General Discussion / Re: Pruning in ground citrus?
« on: June 19, 2018, 10:44:12 PM »
The best time to prune a citrus trees is February through April. Pruning, aside from sprout removal, is discouraged after May. Pruning after May opens up the canopy and expose branches to harsh sunlight. Because of the sun's intensity during the summer months, exposed branches can get sunscald or bark rot, both conditions that will eventually require branch removal. From November to January, avoid removing even sprouts, which can cause re-growth of the sprout only to have it become damaged from cold weather, which could affect the health of the tree.

Citrus General Discussion / Re: Pruning in ground citrus?
« on: June 19, 2018, 12:24:03 PM »
Remember citrus produces fruit only on the new wood.  Pruning removes the new wood, thus no fruit for a year after the pruning .  If you prune only one side of the tree the first year, the other side will still give you fruit.  Then prune the remaining side the following year.  You can prune the top with out much fruit loss.

Citrus General Discussion / Re: More HLB In California
« on: June 13, 2018, 03:06:42 PM »
Sounds like hoddie is giving in to the inevitable.

Recently they have found the Oriental Fruit Fly in Florida.  The Oriental Fruit Fly is the worst of all Fruit Fly types.

Citrus General Discussion / Re: Pomelo pruning
« on: June 08, 2018, 10:27:20 PM »
You say they are grafted trees.  If they were grafted with a mature pummelo scion, they should fruit at any time.  I'm a little surprised that they have not already set some blooms.

Citrus General Discussion / Re: Pomelo pruning
« on: June 08, 2018, 08:32:27 PM »
My advise  would be leave them be, no pruning.  As they grow they will develop a nice round shape.

Citrus General Discussion / Re: Can anyone please ID this disease?
« on: June 08, 2018, 08:24:14 PM »
I just red an article recently concern over leprosis has rekindled due to extensive immigrant population in the Miami area.   The control of leprosis is not difficult. Successful control of leprosis can be achieved by the use of acaricides to reduce mite populations.

Citrus General Discussion / Re: Aphids destroying my Citrus
« on: June 07, 2018, 10:23:28 PM »
Vlad, I've never purchased an ounce of neem in my entire life.  I have never had a single failure using HO.  As to your question, I use a surfactant on every thing I spray.

Citrus General Discussion / Re: Bug ID
« on: June 07, 2018, 10:18:40 PM »
Q 2 % horticultural oil spray kills thrips and many other insects dead, dead, dead.

C-35 Tree size is somewhat reduced with nearly all scions.Typically, young trees grow well, so that size differences do not become apparent until trees have born several crops. Over 11 growth trials, C-35 tree size averaged about 83% as large as the trees on Carrizo. The average yield over all field trials was 106% of that of trees on Carrizo.  Soil adaptation: Well adapted to loam, sandy loam, and sandy soil, Performs poorly on very heavy soils with poor drainage.

Carrizo. Trees growing on Carrizo rootstock the tree size is standard with nearly all scions grafted upon it.  Trees continue to grow for many years and may eventually become quite large if not controlled by pruning or crowding. Yield: Trees on Carrizo typically have good to excellent yields.   

Volkameriana.  Trees on Volkameriana are VERY vigorous , and trees can be large Yield: trees grafted on Volk typically have average yield for their size.  Fruit quality: Fair with all common scions. In comparison with fruit from trees on Carrizo, fruit from trees on Volk have 1 to 2% lower soluble solids (sugars), lower acid and a lower juice percentage.  Well adapted to sandy and sandy loam soil/  Performs poorly on heavy soils.

Citrus General Discussion / Re: Can anyone please ID this disease?
« on: June 07, 2018, 04:28:28 PM »
Use your computer and look up Citrus Leprosis virus.

Citrus General Discussion / Re: Aphids destroying my Citrus
« on: June 07, 2018, 03:59:33 PM »
My favorite insecticide for citrus is Horticultural oil (HO).  I use a product called Ultra Pure Horticultural oil. HO is extremely safe to humans and animals, even OK for organic gardeners.  HO controls aphids, thrips, white fly, scale, mites and mealy bugs.   I use it at the rate of 2-fluid ounces/gallon of water.   . 

I suspect the increase or decrease of crop potential, is more of a University thing, then a commercial growing situation.

Karen of the ones you listed I like the taste of Blood Oranges, mandarins and finger limes.  My favorite mandarin is a variety named Xie Shan.

Sylvain is correct, citrus trees started out in Asia as under story trees growing in the partial shade of the native taller trees.  I  have 7 in ground trees  (all different cultivars) and many container trees.  They all grow in full sun, I don't bother shading them.  It would be easy enough to shade container trees, if someone wanted to, but quite difficult to shade a fully grown tree.

Most every cultivar you mention, would offer varieties that are little known to the public, and of little taste value.  Of all the varieties you list, I would go along with Ponkan.  I have a Ponkan tree it is a larger mandarin fruit than normal with good taste, but also some seeds.   I would think your needs would be for dwarf trees.  Any mandarin grafted upon Flying Dragon rootstock would fill the bill.

Cold Hardy Citrus / Re: Potomac Valley Hardy Mandarin
« on: June 05, 2018, 09:19:07 PM »
I have not seen BocaJoe in a long time.

Mike your web site has long been a treasure.  I've visited it many times.

Citrus General Discussion / Re: what deficiency please?
« on: June 03, 2018, 10:53:46 AM »
Mike, by the way, what type of orange was it in your picture, was it a Navel orange?

Citrus General Discussion / Re: what deficiency please?
« on: June 03, 2018, 12:57:21 AM »
Well I guess I will amend my above post to:  peel splitting can be caused by sever calcium deficiency in very RARE conditions.  However, Fruit splitting occurs the world over in areas of good calcium soils.   Thanks for the info.

Citrus General Discussion / Re: what deficiency please?
« on: June 02, 2018, 03:42:33 PM »
Mike T, I have never heard nor read that rind split was caused by a calcium deficiency,  Splitting is most common in sweet orange and mandarin cultivars.  Splitting normally results from the failure of the rind  to expand as fast as the interior locules of the fruit.   It is thought to be related to fluctuations in temperature, humidity, soil moisture, and cultural practices including irrigation and nutrition. Splitting of Navel oranges is commonly seen in response to winter rains.

Citrus General Discussion / Re: what deficiency please?
« on: June 01, 2018, 10:25:27 PM »
I remember Dr. Malcolm Manners writing in a thread on the old forum, that in all his years with citrus, he never seen a citrus tree deficient in calcium.

Citrus General Discussion / Re: what deficiency please?
« on: May 31, 2018, 03:12:32 PM »
In citrus, a magnesium deficiency always shows up on the tree's older leaves.  This is because magnesium is a mobile element, capable of moving within the tree,   When the tree's new leaves become deficient in magnesium, the tree "realizes" that the new foliage are much more important to the trees growth and the tree's life span than are the old mature leaves. The tree is in it for the long run.  Therefore, it takes the magnesium out of old mature older leaves and sends it to the new foliage. Therefore it is the older leaves that actually show the deficiency.

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