138****9738 SMS from mobile phone: I am Huang Xuejun of Xinzhuang Town in Jiangyan City. I have seen from Jiangsu Agricultural Science and Technology News that Yangkou Town, Rudong County has successfully planted shell pecans. I also want to plant this kind of tree. Where can I buy seedlings? A: According to Liu Guangqin, an expert from the Institute of Horticulture, Jiangsu Academy of Agricultural Sciences, the shell pecan, also known as the American pecan and the long pecan, is a deciduous tree belonging to the genus Hickory. It is native to the United States and Mexico. The climate conditions in the Yangtze River basin, Huaibei, and coastal areas of our province can meet the growth needs of shell pecans. In recent years, shell pecans have been planted in our province, in Liuhe District, Sihong County, Dafeng City, Nanjing City. The city and Changzhou Xinbei District, Jintan City, and Xiangyang City have established planting bases. Experts remind that the shell of Hickory has matured male and female flowers. Female flowers of the same species tend to open 2-10 days earlier than male flowers, affect pollination and fertilization, and their flowering season is often affected by adverse weather conditions when planting shell walnuts. To select the main cultivar, use a certain amount of pollination varieties. Generally, 3-4 varieties can be used. For example, when planting 4 varieties, it is possible to plant 1-2 main cultivars with 2-3 pollination cultivars. The number of pollinated varieties accounts for at least 10% of the total number of plants, and the distance between the main cultivars and the pollination varieties should be within the range of 150-300 meters. Planting thin-shelled pecans in Jiangyan, the main cultivars can choose Weston and Pani, and the pollination varieties can be Mahan and Maoshan No. 1. The purchase of seedlings of related species can be made with the Department of Horticulture, Jiangsu Academy of Agricultural Sciences (telephone), or with the Yunnan Academy of Agricultural Sciences (telephone, 13118710070), the Chinese Academy of Forestry Subtropical Forestry Research Institute (telephone) and other units.
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