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M7 NAVEL
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M7 Navel
Note: observations are made at Kenley, North Western Victoria, Australia
The Confidential Information contained in the Presentation is disclosed by one party to the other “As – Is”. Nothing contained in this presentation or any Confidential Information shall constitute any express right of access or implied warranty of any kind, including without limitation any warranty of merchantability, fitness for a particular purpose or non-infringement of any patent copyright or other third party intellectual property right.
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The Chislett Property on the Murray River North West Victoria
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Kenley Climatology ● Latitude: -34.86 Degrees. ● Long-term average annual rainfall 309mm. ●Temperature extremes -4oC Winter to 46oC Summer. ●Relative humidity is generally low.
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Kenley Climatology
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Heat Unit Zones
Chislett Property 1750 heat units
Daily Heat Units = [(maximum temperature + minimum temperature) ÷ 2] – 13
Above: Map showing annual heat unit zones in Australia
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M7 is a very early maturing navel Mutation discovered in Autumn 2004 on a Navelina (clone 7.5) tree in the orchard of: Chislett Developments Pty Ltd Kenley, Victoria, Australia. Australian PBR granted: 2005/185 USA Plant Patent: US PP18,774P2
M7 Navel
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Background
● Mutation first noticed when M7 had full colour and Navelina was light green on 02-May-2004
● Advanced colour around 4 weeks earlier than Navelina
● Very high brix 13.07 when Navelina was 9.94 on 18-May-2004
● Certified by Auscitrus to be free of any viruses in March 2006.
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Note: The true to type Fukumoto variety is not available in Australia for Comparison with M7. Maturity timing of Fukumoto is very similar to Navelina in other
countries.
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Outstanding Characteristics
● Earlist Colour ● Round fruit shape ● Early Internal Maturity ● Very high brix ● Extended harvest period ● No albedo breakdown ● Firmer rind than Navelina throughout harvesting period
Observations made at Kenley, Victoria, which is a late citrus growing area
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Outstanding Characteristics
● Late hanging
● Vigorous and a distinctive foliage
● Medium to small and distinctive external navel
● Medium sized internal navel
● Early production, good yields and fruit size
Observations made at Kenley, Victoria, which is a mid to late growing area
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Colour ● More even over tree and 4 weeks earlier than Navelina, gas colouring
possible early April (October NH).
● M7 on the 5-Apr-05 had better colour than Navelina on the 28-Apr-05.
● Individual fruit colour more uniform than Navelina.
● Intensity of colour similar to Navelina when fully developed.
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gas colouriiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiinnnng
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Fruit Shape
● Completely round fruit
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Internal Quality ● Maturity 3 weeks earlier than Navelina
● Maintains acid levels of 0.7grams of citric acid per 100 ml of juice on 06-September-2005 (March NH)
● Exceptional eating quality due to higher brix (13º plus) and balanced acid
● High flavour intensity – much better eating quality than navelina
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Internal Quality
● Potentially good juicing yields
● More advanced and intense flesh colour than Navelina
● Limonin levels to be determined and expected to be relatively low like Navelina
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Note: Fukumoto shown is not the same variety existing in other countries
Internal Quality
California Standard - proposed for M7TM 105 - 170
California Standard = 16.5(Brix-4TA)
2011 Season (2 weeks late)
California Standard
M7 Navelina
15/04 86.5 65.3
29/04 116.5 94.7
(Kenley – late maturing area)
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External Navel
● Medium to small -similar to Navelina
● Distinctive with slight lines radiating outwards from the navel.
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Internal Navel
● Significantly smaller than Navelina 7.5
Photos taken August 25, 2006 at Dareton Research Station
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Rind Quality
● No sign of albedo breakdown or creasing ever observed.
● Very strong and firmer than Navelina throughout harvest period.
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Leaf Shape ● Length to width ratio
significantly lower and petiole wing more pronounced compared to other navels varieties.
● Leaf also has a distinctive undulation
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Foliage
● More upright and open than Navelina allowing more light penetration and better colour development
● Less pruning needed
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© 2012
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Tree and Yields ● Very vigorous tree. Fast growing with
early cropping
● Good production – 15 tonne/ha from 3.5 year old trees (1000 trees/ha)
● Good fruit size, probably better than Navelina
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Protectability ● M7 is easy to protect.
● Any fruit in the market before Navelina has to be M7.
● Round fruit shape with distinctive navel end marks.
● Easy to identify the variety in the field due to the distinctive leaf shape and foliage.
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Harvest period ● Harvest possible 3 weeks earlier than Navelina
● Kenley (late maturity area) juice 40%, brix 10o, ratio 8.0:1 by early to mid April (October NH)
● Fruit - firm and good condition on tree for minimum 4 months (firmer than Navelina at all stages)
● Acid levels maintained above 0.75% for at least 4 months
● No fruit drop without 2,4D up to the end of August, obvious drop on Navelina
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% J
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Fig 1: Comparison of % juice in M7 and Navelina 7.5 across seven seasons.
M7Navelina
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velina
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Deg
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Fig 2: Comparison of º Brix in M7 and Navelina 7.5 across seven seasons
M7 Navelina
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11161
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Fig 3: % acid in juice from M7 and Navelina 7.5 across seven seasons
M7
Navelina
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.5
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Fig 4: Brix:Acid ratio in juice from M7 and Navelina 7.5 sampled across seven seasons
M7
Navelina
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s
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Fruit Maturity 2012 Variety Juice % Acid Brix Ratio
Attwood 53 1.18 8.64 7.34
Fisher 41 1.16 9.24 7.93
M7 (T/W) 46 1.22 10.00 8.22
M7 46 1.13 10.72 9.46
M7 (Nursery Trees) 49 1.08 10.12 9.41
Passin (Volk) 45 1.26 8.46 6.71
Washington 45 1.41 9.08 6.42
Picked 22/03/12 at Jamesville, slightly north of Mildura, Victoria, Australia
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Fruit Maturity 2012 Variety Date Details Juice % Acid Brix Ratio
M7 - ChisDev 20/03/12 M12 block 41 1.07 9.98 9.33
M7 - ChisDev 20/03/12 M4 block 47 1.23 10.97 8.92
Navelina – ChisDev 20/03/12 M7 - NW 48 1.26 9.15 7.26
M7 - Cock 23/03/12 Trifoliata T/W 46 1.58 11.30 7.15
M7 - ChisDev 01/05/12 M12 block 39 0.90 11.58 12.87
Navelina – ChisDev 01/05/12 M4 block 34 1.18 10.44 8.85
Navelina – ChisDev 01/05/12 M7 - NW 48 0.90 9.98 11.04
M7 Packout 2010 M7 Packout Percentage off CVS Grader 11th May 2010 Count 1st Grade 2nd Grade 3rd Grade
32 1.00 0.40 0.00
36 3.70 0.10 0.00
40 6.10 1.30 0.40
48 17.00 3.60 0.50
56 27.30 5.50 0.70
72 18.20 3.50 0.50
88 4.60 1.20 0.10
100 1.70 0.30 0.10
125 0.40 0.00 0.00
138 0.00 0.00 0.00
TOTAL 80.00 15.90 2.30
PACKED 98.20%
JUICE OFF GRADER 1.80%
10ade
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M7 Packout 2011
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Harvested Kenley from 3.5 year old unpruned trees
Testimonial Hi Guys, Here are the results for the samples Greg sent in. The M7 was very impressive, I tested 6 fruit. With the other 2, I cut one up and left the other
whole and showed Bill, Perry, Ferdi and Gerome (Holman Fresh). All were very impressed, Gerome especially – he said he loved the variety and couldn’t believe the taste, colour, shape and rind quality. He said it needs a sexier name and thought Mara Mara could be a good one!
I’ll let you think about that one Greg Kind regards, Mara Milner
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30th March 2011 - Kenley
30th March 2011 - Kenley
8th April 2011 - Kenley
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Photo Album 2011
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5th April 2011 - Jamesville 5th April 2011 - M7 1.5 years - Jamesville
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© 2012
M7
Navelina M7
M7 3 year old tree
M7 after gassing – picked 18th April 2010 M7 before gassing 20th April 2010
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M7 5th May 2011
M7 - packing line 10th May 2011 MFC
M7 packed MFC 10th May 2011 www.chislettnavel.com.au © 2012
M7 - packing line 10th May 2011 MFC
M7 Melbourne Market 12th May 2011
M7 - packing line 10th May 2011 MFC
M7 4 years after planting M7 4 years after planting
M7 2 years after planting M7 2 years after planting
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Size (mm)
M7 Fruit Size Distribution on M12 5Yr Old Trees KENLEY 27/03/2012
M7 Fruit Size 2012
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M7 Crop Control Treatments 2013
Block Hand Pruning Winter GA 2-4D to Close
Navel Corasil (Dichlorprop-P
25g/L)
M12 Carrizo
Autumn 2012 10 ppm 13/8/12
- -
M3/4 Trifoliata
Autumn 2012 10 ppm 13/8/12
10 ppm 26/10/12
200ml/100L 1200L/Ha
Thinning & fruit sizing average fruitlet diameter 15mm
3 ½ Yr. O Carrizo
Winter 2012 10 ppm 13/8/12
- -
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