| Pinus pinaster is a light-demand plant, which is resistant to the sandy, arid and saline soil. So it is especially adaptive to the coastal sand ground or dune where it is warm, moist, and typically physiology arid environment. There is over 18340 kilometers coastline in China, but so many problems of the forest have caused its function reduced. Pinus pinaster is completely and systematically researched in France. To provide another suitable plant for afforesting in coastland of China, this paper studied the suitable living conditions of French Pinus pinaster in Shandong and Zhejiang province through seed germination and seedling growth experiments, which could get scientific data for breeding and introduction plantation.Through the observation in the laboratory and field tests, the suitable conditions of seed germination and seedling growth were systematically studied in this paper, basic conclusion was showed as follow:(1) Compared with the local species Pinus thunbergii and P. densiflora, Pinus pinaster had the biggest TGW(one thousand grain weight) and the variant coefficient. This proved that Pinus pinaster was one of good species. This experiment established the foundation for seed germination.(2) According to the seed germination experiments, different soak temperature and different sand bury significantly affected on the seed germination. In breeding tests, the seed germination rate increased with the reducing of the soak temperature between 40-50°C, and it also increased when treated with sand bury. So, we could conclude that burring 1cm soil was a better choice in field breeding, which fitted the suitable condition of production and could improve the seed germination rate.(3) Through observation in the annual growth process, Pinus pinaster seedling grew fast from the end of July to the beginning of August with both seedling height and ground diameter increased rapidly, while the increase of leaves number showed in contrary. So we can suppose that the intake of nutrition in the end days of the seed germination, mainly from photosynthesis instead of roots. This can be proved in the future experiment.(4) The sowing density and light intensities were the important external conditions for seedling growth.. This study showed that different sowing density had no significant effects on the growth of annual seeding expected in the end periods. Thus, we should transplant seedlings in time after 1 year later to offer enough space for seeding. Observed the light intensities in different environments, the 80% of light penetration rate suited for seedling growth the most. So we can take one piece of shading nets for the better growth.(5) It can improve the resistant to damping off pathogens for pine seeding by burying coniferous forest soil or using mycorrhizal inoculums. This text showed we should bury coniferous forest soil rather than using mycorrhizal inoculums during seedling cultivation.(6) This paper showed it was feasible to introduce French Pinus pinaster to China. Compared with one-year-growing seedling between Zhejiang and Shandong province, the environment in former was more suitable for Pinus pinaster than latter. It can offer better environmental reference data for growing seedling in Shandong.(7) Analysising the growth property of seeding revealed the close related coefficient between them. We could preciously assess the other properties, especially the biomass by measuring the seeding height and the ground diameter.(8) This text has filled in the blank of Pinus pinaster research in China, but because of the limited research time, we can merely confirm that the seedling cultivation in Zhejiang and Shandong is practical. It can also provide the basic data and the seedling cultivation technique to a large scale production.
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