Pinus maximartinezii       17130

Author: Jerzy Rzedowski (1926-)
Family: Pinaceae Subfamily: Pinoideae
Genus: Pinus
English name: Martinez pinyon
Zone: California

References
- Evidence for an extreme bottleneck in a rare Mexican pinyon: genetic diversity, disequilibrium, and the mating system in Pinus maximartinezii, Ledig, F Thomas and Conkle, M Thompson and Bermejo-Veláquez, Basilio and Eguiluz-Piedra, Teobaldo and Hodgskiss, Paul D and Johnson, David R and Dvorak, William S. Evolution 1999 Vol. 53(1) pag. 91-99. Address
- Proteins, amino acids and fatty acids composition of nuts from the mexican endemic rarity, Pinus maximartinezii, and its conservation implications, Lauro López-Mata. Interciencia 2001 Vol. 26(12). Address
Pinus maximartinezii Observed in Mexico by M. Socorro González Elizondo (license)
References for the genus
- Pinus L. pine, Krugman, Stanley L and Jenkinson, James L. Seeds of woody plants in the United States. CS Schopmeyer, tech. coord. US Department of Agriculture, Agriculture Handbook 450. Washington, DC: p. 598-638 1974. Address
- eFloras. eFloras.org Vol. 2 pag. 125519. Pinus
- Flora of North America. Pinus
- Phylogeny and classification of Pinus, Gernandt, David and Geada López, Gretel and García, Sol and Liston, Aaron. Taxon 2005 Vol. 54 pag. 29. Address
General specifications
Biological type: tree
Frost resistance: 5ºF
Leaf color: dark green
IUCN Red List of threatened species status: Endangered
Indexed Susceptible to the fungus Dothistroma sp The Regional Directorate for Food, Agriculture and Forestry.
Indexed Sensitive to the insect Bursaphelenchus xylophilus The Regional Directorate for Food, Agriculture and Forestry.
Indexed Susceptible to the fungus Lecanosticta acicola The Regional Directorate for Food, Agriculture and Forestry.
Indexed Seeds of species subject to Phytosanitary Passport The Regional Directorate for Food, Agriculture and Forestry.
Indexed Sensitive to the insect Dendromilus sibiricus The Regional Directorate for Food, Agriculture and Forestry.

Specifications for the Mediterranean basin
Adult size (h x w): 49,2ft x 19,6ft
Sun exposure: full sun (Sun hours: >6h
Foliage: evergreen
Growth: slow

Specific information for our garden
Planting substrate: 30%Compost+30%Coco+40%Sand
Plant watering: 1x a week pH 6.5
Logical sequence of containers for: Softwood; forestry plate, forestry pot 3L, Airpot 12L, Airpot 50L, high container 100L
Propagation is done by seeds

Ecology in its country of origin
Rainfall: 400-1000mm
Sowing instructions
SPRING Soak the seeds in warm water of 194°F for 24h (Change the water every 12 hours) until the seeds swell. Keep in refrigerator at 39°F for 4 weeks in humid substrat. Sow the seeds at 2mm depth in the Well Drained Seed Sowing Mix between 68-77°F. During germination keep the substrate moist and in daylight. The seeds germinate in 2-3 weeks.
The average weight per seed is 1,269g.

Germination references
- Ultraviolet radiation effect on seed germination and seedling growth of common species from Northeastern Mexico, Foroughbakhch, Rähim and Benavides-Mendoza, Adalberto and Cruz, Lidia and Heya, Maginot. Agronomy 2019 Vol. 9. DOI

Germination references for the genus
- Pinus L. pine, Krugman, Stanley L and Jenkinson, James L. Seeds of woody plants in the United States. CS Schopmeyer, tech. coord. US Department of Agriculture, Agriculture Handbook 450. Washington, DC: p. 598-638 1974. Address
- USDA Forest Service's Woody Plant Seed Manual, John K. Francis and Craig D.Whitesell. 2008. Address
Experiences in the garden
26-01-21A Obtaining seeds from seed provider Rare Palm Seeds.
16-04-21 Sown 50 seeds in a forest pot 2L and germinated at 16-06-21, result: 19 units.
Protocol: Spring Soak 194°F 24h Strat Hum 4wk Surface Sowing mix+Sand 64-72°F Damp substrate+Light 2-3w
26-11-21B Obtaining seeds from seed provider Rare Palm Seeds. Stock
21-03-24 Sown 20 seeds in a seed plate F and germinated at 17-07-24, result: 3 units in Serre6.
Protocol: Spring Soak 194°F 24h Strat Hum 4wk 2mm Sowing mix+Sand 68-77°F Damp substrate+Light 2-3w
. . . 2021A Production of 20 plants in our nursery: Ombr6g 17x A12 Serre6 2x F3
28-04-22 1x Dead plant because of watering problem: Petit40 F2.
. . . 2024B Production of 2 plants in our nursery: Serre6 2x F3