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Messages - Riverland

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1
Citrus General Discussion / Re: At last
« on: November 24, 2015, 08:26:10 AM »
The blanket aerial spraying in California of malathion occured in a bygone era. It would never be permitted today.
Here in SA we are the only mainland state free of fruit fly. But every year there are outbreaks that cost millions, due to illegal fruit importation.
The government certainly doesn't do enough. Other states have all but cut funding for fruit fly measures.

Millet, the issue is complicated by the fact that the fruit fly causing the major damage is native to Australia and has a wide list of hosts.

2
Perhaps they were pot bound. Were they planted at the right depth?
No mention of rootstock.
The top does not grow at the same time as the roots.
In the northern hemisphere, you are at or approaching the period of time when maximum root growth occurs.

3
Citrus General Discussion / Re: Problem with my lanes late orange
« on: August 01, 2015, 07:26:53 PM »
Citrus leprosis virus is not present in Australia. However I would agree with millet that it does look like you have mite damage.

4
Citrus General Discussion / Re: Cara Cara Held On The Tree
« on: July 11, 2015, 09:39:12 AM »
Agree. They have a limited season at their peak. Did you notice any change in internal colour? It fades noticeably here come spring.

5
I would be interested to see the genetic difference between two Satsuma varieties.  It is probably not dissimilar to this case.  Also, as Greg mentioned it is no secret that Tango is an irradiated W. Murcott Afourer.  The genetic make-up should be nearly identical, however the lack of seeds in one is a major difference and a unique attribute of Tango that is highly valued by this market.  Tango has been around for quite some time now.  Why is this legal endeavor happening now?  This whole thing seems a bit frivolous.

-Brett

Tango is not unique in being seedless.
Seedless Afourer mandarins are grown and sold here and in the US under the tradename Delite, which is licensed to Mulholland Citrus, California.  Grown in isolated blocks away from other pollen sources the fruit is seedless.
Seedless being defined by industry as no more than one seed per fruit in any 20 fruit sample.

6
Citrus General Discussion / Re: Xie Shan Satsuma
« on: June 09, 2015, 06:24:39 PM »
Glad you mentioned taste quality. Citrus Australia (industry body which represents commercial citrus growers) on their assessment of Okitsu, considered the best of the available satsuma varieties here: "Eating quality has been described as relatively bland for the Australian palate and with a degree of chewiness or rag."
Perhaps Xie Shan is unique and exceptional to all other citrus unshiu.

7
Citrus General Discussion / Re: Xie Shan Satsuma
« on: June 09, 2015, 07:28:49 AM »
Pancrazio, I cannot comment specifically on Xie Shan as it has not been imported here.
But satsumas in the main are not a sweet mandarin; yes, lower in acidity but not sweet.
It takes controlled water stress by growers here to get Okitsu significantly above brix 10°. Afourer/Tango will easily reach 14° brix no problem. Gold nugget which many members rate, even higher levels.
Here is data from UCR. Low numbers for SS means lower sugar levels.
http://www.ccpp.ucr.edu/variety/621.html

8
Citrus General Discussion / Re: OJ Consumption In The USA
« on: June 06, 2015, 06:08:46 PM »
When OJ is cold stored for up to 12 months, pasteurised with vit C and flavour packs added to the final product, is it really orange juice anymore?  Hopefully this drop reflects more people juicing their own, given the juicing phenomenon.

9
Citrus General Discussion / Re: Gold Nugget or Tango?
« on: June 01, 2015, 02:30:40 AM »
From a growers perspective, GN won't challenge Afourer/Tango as the most important commercial variety to arise in the last 10-15 years.
GN has a reputation here as an alternate bearer and requires greater management input to produce quality fruit.
Flavour wise I prefer Afourer for the higher sugar and acid levels at maturity.

10
We have had to deal with it here in citrus growing regions of Australia for a long time. Along with brown spot (Alternaria alternata).
Some varieties are affected more than others, but it is manageable with fungicides. Certainly not as grave as greening.
QLD DPI observed that a layer of mulch helped to suppress the availability of black spot inoculum.

11
It never was a new variety.  They gave it a fancy marketing name so it would sell and to avoid paying royalties.
From UCR, "Fruit of 'Tango' are similiar to W. Murcott in all appearance, quality and production characteristics with the exception of seed numbers."

The others mandarin varieties that were the result of the same gamma irradiation treatment to induce a seedless version all kept their original name. Eg. DaisySL, KinnowSL, EncoreSL, etc. 

12
You have an exceptional tree there Greg. Treasure it.

Cara cara have a shorter season. They lose their intense colour the longer they are on the tree (possibly accentuated here by our arid climate) and are prone to granulation (dryness) if held too long. Tens of thousands are grown around here. The bulk are exported to Asia.

13
Agree, it's hard to beat the richness of a Washington navel, especially after a good winter chill.
As a juicing orange in the winter I prefer Salustiana. No bitterness, seedless and rich flavour. Very underrated variety outside Spain.

The listing at http://www.citrusvariety.ucr.edu/citrus/salustiana.html is very muddled and should be corrected.
Whoever the author EMM is, says the fruit is seedy and small. Neither is true.
The description below that from the citrus bible is accurate.

14
Close, but not quite.
Unfortunately navels don't hold as long on the tree without 'stop-drop' sprays, which are unavailable to home gardeners. Valencias hold much better but regreen late summer here.

Axier: interesting your chart shows Powell holding a little later than Chislett.
The experience here is the opposite: Chislett hangs a couple of weeks longer.

15
Know exactly how you feel Mike. Such a destructive bird. In the process of eating a single grapefruit, will knock a dozen off the tree. Their numbers seem to have gotten out of hand.

16
Not uncommon at all. A lot of the early trees established here had the same problem, but much earlier. In the race to multiply budwood, some mutant buds were also used that fruited normal navel fruit.
Very unstable mutation.

17
This guy can't tell the difference, really?

Hasn't the seedless Eureka arrived over there? Both Australia and South Africa have bred their own strains and have been around for quite some time now.

18
Citrus General Discussion / Re: David Karp - Fruit detective
« on: March 29, 2015, 08:05:27 AM »
Please share with us his talk with your group. What varieties?

19
Citrus General Discussion / Re: Dekpon
« on: March 26, 2015, 07:46:47 PM »
Based on brix readings the Cal Honey is sweeter.

20
Citrus General Discussion / Re: Just Not Enough Room
« on: March 23, 2015, 11:27:32 PM »

In Thailand the limes are expensive at the moment, this happens every year dued to a shortage on the markets.

My friends freeze their whole limes to use later. They use the juice for drinks or on fried rice. You can try it, just freeze them whole or only the juice in icecube forms/bags.

Perhaps you could help open the export market for us
here. The price this time of the year crashes ($2kg) as there is an oversupply of Tahitian (Persian) limes from NSW hitting the market.

21
Citrus General Discussion / Citrus Leaf Miner and Pheromone Lures
« on: March 22, 2015, 10:41:42 PM »
A friend down the road has completed a new planting of late navels.
He intends to use pheromone lures supplied by ISCA technologies in the establishment years.
Anyone have any field experience with these, as to whether they make any significant difference?

22
Well if you swear on the quality, then it can only be sour orange from that era. Also highly drought tolerant.
It's making a comeback in Florida as some growers say less effected by greening.  They seem to be discounting the high risk of CTV.

23
Gary, sounds like your trees are on rough lemon, which is very drought hardy, but very sensitive to Phytophthora. One of the shortest lived rootstocks on a commercial basis and fruit quality is sub par by most measures.

24
Trade it for a real lemon. ;D

25
I'm not surprised.
I tried Chinese oranges when I was in HK.
They were terrible with a chemical after-taste.

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