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Messages - Millet

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Cold Hardy Citrus / Re: Poncirus fruit comparison
« on: January 20, 2020, 06:29:06 PM »
Ilya11,  what is different about Poncirus B. Voss than regular poncirus?  I am not familiar with it. 

Citrus General Discussion / Re: Root Production Method
« on: January 20, 2020, 06:10:55 PM »
As for mycorrhizae, ALL hearty/healthy citrus trees already have mycorrhizae, otherwise they'd not be healthy.  Mycorrhizae is ubiquitous, their spores are in the air.  For long term plants like citrus, even if you planted sterilized seed in sterilized soil, as long as the plant was grown in open air, it would become reinfected with mycorrhizae within a week.  Are 48 inch tall root stocks needed or even desired?  I don't believe I have ever seen a rootstock that tall.

Citrus General Discussion / Re: Citrus Showing Tolerance To HLB
« on: January 20, 2020, 02:56:16 PM »
Yorgos, for Chandler pummelo you need to keep the soil moisture levels up.  II used to have the dry problem, but after paying attention to the moisture content my pummelos produced wonderful fruit.

Citrus General Discussion / Re: My fingerlime isnt looking too good
« on: January 19, 2020, 10:55:05 PM »
Your tree has a spider mite invasion.  Give the tree two or three THOROUGH washings with the hose.  Or you can spray with a horticultural oil, or neem oil..  What ever you use be sure to get the top and bottom of the foliage. Notice all the white speckled spots on the leaves,. These are caused by the mite sucking the leaf juices out, which leaves the speckling. Good luck to you and your tree.

Citrus General Discussion / Citrus Showing Tolerance To HLB
« on: January 19, 2020, 02:51:28 PM »
Sugar Belle:  Most tolerant citrus variety, Taste much like minneola, but with better color.

Mandarin Hybrid 13-51 : Just released  both to industry and door yard growers by UF/IFAS:  Produces beautiful fruit.  A very attractive deep orange color. A very easy peeler.  Shows good tolerance

Pummelette : (Formally variety 5-1-99-2)  Grapefruit sized dark red flesh, with an exceptionally great flavor.

Monster (Formally variety N40-7-4)  A very large, some as large as a bowling ball.  Exceptionally sweet grapefruit type flavor.  Thin skin with large segments.  One large fruit can feed a small family.

Citrus General Discussion / Re: florida citrus?
« on: January 16, 2020, 11:17:34 AM »
In Florida you will probably see mostly miles and miles of dead HLB groves.

Citrus General Discussion / Re: Dogs vs HLB
« on: January 14, 2020, 10:53:32 PM »
Vlad, simply amazing.

Cold Hardy Citrus / Re: Canít get rid of fungus gnats, any ideas?
« on: January 14, 2020, 06:07:58 PM »
Drain  rock on the bottom of containers does not increase drainage.  All they do is raise the perched water table higher into the container.

Thanks Dan, excellent article.

Citrus General Discussion / Re: My Citrus trees
« on: January 12, 2020, 02:23:57 PM »
Did I send you that seed?

Citrus General Discussion / Re: seedless fukushu kumquat crop!
« on: January 10, 2020, 10:29:03 PM »
As for the Fukushu kumquat, when I eat the fruit, I generally eat everything, peel pulp and  seeds.

Citrus General Discussion / Re: seedless fukushu kumquat crop!
« on: January 10, 2020, 05:30:01 PM »
Brian, I just ate some Fukushu kumquats about 10 minutes ago.  All the fruit I ate had two or three seeds.  Some citrus varieties, such as clementine are seedless when grown in areas where they cannot be cross pollinated .  If a clementine blossom is pollinated by another citrus cultivar than it is seeded.  I do not know if the same is true with Fukushu or not.

Cold Hardy Citrus / Re: Canít get rid of fungus gnats, any ideas?
« on: January 09, 2020, 03:53:04 PM »
Most hardware stores sell a product called Mosquito Dunks.  They are donut shape looking round dunks.  Break them up  and sprinkle the on he surface and water them in.  You could also let a dunk dissolve inn water over night then water into the container.

Citrus General Discussion / Re: Help IDing lemon ? and pomelo ?
« on: January 09, 2020, 11:00:16 AM »
Laaz, the Meyer does not have green seeds does it?  I know Mandarins do.

Spaugh,  Yes & no

Spaugh, your comments are always appreciated.  I certainly don't agree with your statement that no one is doing this, as urea sprays are very common in the citrus world. If your tree is producing all you need, or want, than you certainly can, or cannot, do as you wish.  I would agree with you that many home owners are not aware of the value that proper nutrition can do for a fruit crop.  The urea spray program has long been a great value to a citrus tree's production, and more importantly to the quality of the fruit produced.  Any way the best  to you and your tree..

Spaugh, the guidelines for the low biuret urea spray program is indeed heavily followed throughout California's citrus growers.   In fact, the guidelines that are posted in this thread are for California growers, and are published by the University of California Agriculture & Natural Resources in their publication "The Citrus Production Manual".  No matter how good of a crop your tree produces, following the Citrus Production Manual's guidelines, your tree will produce a larger crop, and more importantly, a crop with a larger and better quality fruit.

Yorgos, night time spraying is the second best time to spray, whether its spraying for this program, or general foliar spraying.  The absolute best time to foliar spray a citrus tree is in the early morning on a cloudy humid day.

Citrus General Discussion / Re: Kumquat varieties update
« on: January 07, 2020, 10:33:54 PM »
Brian, good post, very descriptive.

Y0rg0s -  YES

Citrus General Discussion / Re: Help IDing lemon ? and pomelo ?
« on: January 06, 2020, 10:00:14 AM »
The pummelo is indeed a pummelo, probably a variety called Chandler,  The other fruit is some kind of a mandarin, due to it shape and the fact that the seeds are green.

The element Magnesium is also a mobile nutrient, therefore the deficiency symptom shows on the older leaves of the tree.  If you wish to do a magnesium foliar spray, completely dissolve 4 oz. of Epsom salts (Magnesium Sulfate) in one gallon of WARM water and apply in the morning or late afternoon.  Do not apply at high temperature or low humidly.

Citrus General Discussion / Re: Mandarin tree with yellow leaves
« on: January 04, 2020, 06:22:29 PM »
Your last picture does look like a magnesium deficiency. The leaves have the classic green delta shape in the center of the leaf, with yellow out to the sides.  However, I can see that these trees have not been taken care of for quite some time.  They need a good nutrition program.  For large trees 5 years and  older, they should be fertilized 3 times a year. Early spring, June and late August.  Young citrus trees 4 times a year equally divided between March 1 and end of August. 

Citrus General Discussion / Re: Mandarin tree with yellow leaves
« on: January 04, 2020, 02:41:09 PM »
Your trees symptoms are a little strange.  Looking at your pictures for some time I don't think it is a nitrogen problem,.  The symptoms for a nitrogen deficiency are:....Totally yellow leaves with no variation of color, or yellow/orange veins with some green out on the far sides.   A nitrogen deficiency is a mobile deficiency, meaning that the deficiency shows up on the older leaves of the tree with the newer leaves still retaining some green.  This is because the tree removes the nitrogen from the older leaves to supply the nitrogen to the new growth. Most of your tree's leaves show a yellowing on the new growth.  As you are in the Bay area, and it now January, I really would not think that the weather has been all that hot to cause sun damage, it not like you lived inland in the desert. The leaf symptoms don't seem to be correct for a magnesium deficiency either. I know there has been more and more Citrus Greening in California, especially in the southern part of the state,  Have you heard of it showing up in your area?  You can always call the county Ag Agent and ask for a person familiar with citrus  to come out an look at the tree. Normally this is done at no cost, or a very slight cost.   Foliar nutrient spray are 8 to 20 times faster clearing up a deficiency (if it is indeed a deficiency).  You could spray the tree with a fertilizer solution containing all the micro nutrients.  If you decide to do this, the best time to spray is in the morning on a cloudy day with relatively higher humidity.  Add a teaspoon of a surfactant per gallon of the nutrient solution.  The best to you and this tree.  I would be very interested in hearing further about this tree, and what steps you take.

This is the first time I have red anything of meat foliar spray.  And as I wrote, the book actually had little to say about it, other than it is a growing practice in some countries.  Any  thoughts?  I really don't know how beneficial it might be to a tree to mess with it???

As a foliar spray using products from the meat waste industry, meat is basically composed of water, protein, various amino acids, minerals, fats, fatty acids, vitamins and other bioactive components, and small quantities of carbohydrates.   As what is brought up in in the book "Advances In Citrus Nutrition" what could these ingredients do for a citrus tree, or even can a citrus tree utilize them to its benefit?

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