Project on "Minor Fruit Tree Species Conservation" - RESGEN29

DESCRIPTOR LIST FOR POMEGRANATE (Punica granatum L.)

PASSPORT- Accession and collection data

1 - European Minor Fruit Tree Species Database (EMFTSD) number: unique numerical identifier for an accession;

2 - Species: to be repeated for each accession (botanical name);

3 - Accession designation: name of the accession (cultivar, breeder’s designation, donor’s designation);

4 - Accession synonym: a synonym to the accession designation. For each species with synonyms, a common accession designation should be identified for each partner and then synonym(s) should be quoted here;

5 - Donor name: name of institution or individual responsible for donating the germplasm;

6 - Acquisition date: the date on which the accession entered the collection in the from of DDMMYYYY;

7 - Institute number: the partner number from Technical Annex of Project. The same number reported in the Institution Database file;

8 - Country keeping the accession: two letters acronym of country in which the partner and the collection is located;

9 - Collection site: if one Institution holds accession in more than one environmentally different field, each field should have an identifier site number;

10 - Country of origin: when certainly known two letter abbreviation (according to attached list) for country of origin of the accession;

 

11 - Collection source

1 = wild

2 = abandoned farm land

3 = farm land

4 = nursery

5 = institute

6 = other (specify in Collector’s notes-point 17)

 

12 - Status of sample

1 = wild

2 = breeder’s line

3 = primitive cultivar (landrace)

4 = advanced cultivar (bred)

5 = other or uncertain

 

13 - Virus disease status

1 = virus disease free

2 = virus disease present

3 = not tested

 

FIRST CHARACTERISATION

 

14 - Fruit use

0 = not use

1 = fresh consumption (dessert)

2 = transformation

3 = double use

4 = extraction (extraction of substances)

5 = other uses

 

15 - Plant use

0 = not use

1 = fruit for fresh consumption

2 = fruit for transformation

3 = ornamental

4 = rootstock

5 = other uses

 

16 - Identification of material

1 = verified.

2 = probable.

3 = uncertain.

 

17 - Collector’s notes.

Collector(s) should record ecological/climatic information on collection site.

Cultivation practices, associated species, sanitary status and all useful observations should be recorded.

 

FURTHER CHARACTERISATION AND EVALUATION

 

18 - Thorniness

0 = absent

1 = poor

2 = medium

3 = high

4 = very high

 

19 - Vigour of tree

1 = weak

2 = intermediate

3 = vigorous

 

20 - Suckering tendency

0 = none

1 = extremely low

2 = low

3 = medium

4 = high

5 = extremely high

 

21 - Number of buds by node

1 = 2 (two buds/node)

2 = 3 (three buds/node)

3 = 2(3)

4 = 2(4)

5 = 2(3)(4)

6 = other

 

(ex. 2(3) first number is most important buds numbers find per knot on the trees. Second number is the number of buds find on the nodes but it’s less important percentage)

 

22 - Leaf length: Lf (mm). Leaf blade + petiole. Use 50 mature leaves.

 

23 - Leaf blade length: Lb (mm). Use 50 mature leaves.

 

24 - Leaf blade width maximum: Lbw (mm). Use 50 mature leaves.

 

25 - Flowering: data taken from 20 flowers.

1 = only a bloom period and date when it starts

2 = several bloom periods: number and date when it starts indicating the important of each one.

 

26 - Bearing habit (predominant distribution of flower buds)

1 = shoots of this year

2 = anticipates shoots

3 = On one year old shoots

4 = On old shoots (on several years old shoots)

 

27 - Hermaphrodite flowers percentage (400 flowers = 100 flowers/tree)

 

Flower sex: (1- males; 2 - hermaphrodites)

 

28 - Diameter of flower: Df (mm). Average of 25 flowers.

 

 

 

Vertical cross section of pomegranate complete flower.

 

 

29 - Flower length: Lf (mm). Average of 25 flowers.

 

30 - Average productivity

1 = low (<20 Kg/tree)

2 = medium (21-40 Kg/tree)

3 = high (>41 Kg/tree)

 

31 - Yielding in alternate years (alternating)

1 = yes

2 = no

 

32 - Fruit size (weight) (gr): Pf. Use 10 mature fruits.

1 = Very small (< 100 gr)

2 = Small (100 - 150 gr)

3 = Medium (150 - 225 gr)

4 = Large (225 - 375 gr)

5 = Very large (> 375 gr)

 

 

33 - Fruit diameter equatorial (mm): D1.

34 - Diameter of calyx (mm): D2.

35 - Diameter or total height of fruit without calyx (mm): L1.

36 - Diameter or total height of fruit (mm): L2.

37 - Skin colour

1 = Greenish-yellow

2 = Yellowish

3 = Reddish-yellow

4 = Red

5 = Dark-red

6 = Purplish-red

7 = Dark purplish-red

38 - Thickness of skin at equatorial area (mm): Ts

39 - Skin weight plus carpels weight and endocarpic (g): (Wc+We)

 

Longitudinal section of pomegranate fruit.

 

40 - Length of seeds (mm): L . Sample of 25 seeds.

41 - Length of tegmen (mm): l

42 - Width of seed (mm): A

43 - Width of tegmen (mm): a

44 - Weight of seed (g): Ws.

45 - Weight of tegmen (g): Wt.

Seed.

 

46 - Hardness of seeds (achenes): To punctuate one to ten (one is the minor hardness).

1 = Soft tegmen: 1´0-4´5 (Piñón blando)

2 = Medium tegmen: 5´0-6´0 (Piñón semiduro)

3 = Hard tegmen: 6´5-10 (Piñón duro)

 

47 - Seeds colour

1 = white

2 = rose-white

3 = rose

4 = dark-rose

5 = rose-red

6 = red

7 = very red

 

48 - Harvest maturity

1 = early

2 = medium

3 = late

 

49 - Eating quality

1 = Poor

2 = Fair

3 = Good

4 = Excellent

 

50 - Flavour

1 = sweet

2 = sweet-sour

3 = sour