The Latest Cultivation Techniques and Methods Tutorial for Populus euphratica

Populus euphratica, also known as Euphrates poplar, desert poplar, hero tree, heterophyllous Populus euphratica, heterophyllous poplar, water poplar, three-leaved tree, etc., is a medium-sized natural tree of the genus Populus in the family Salicaceae. It can live up to 200 years. Its trunk is straight, with a diameter of up to 1.5 m and a height of 10-15 m. It is a precious forest resource unique to desert regions and has high cultivation value. Let us take a look at the cultivation techniques for Populus euphratica below!

Growth Habits of Populus euphratica

Populus euphratica is a tree species suited to arid continental climate conditions. It is light-loving, heat-resistant, resistant to atmospheric drought, salt and alkali, and wind and sand, and grows poorly under hot and humid climate conditions and on heavy clay soil. Populus euphratica requires sandy soil. Wherever desert rivers flow, Populus euphratica follows, and since desert rivers change course quite frequently, Populus euphratica has left traces of its former presence everywhere in the desert. Relying on the protection of its root system, Populus euphratica can live quite comfortably when the groundwater level is no lower than 4 m. When the groundwater level drops to 6-9 m, it appears listless, and if the groundwater level drops further, it will die.

Propagation Methods of Populus euphratica

Populus euphratica is mainly propagated by seeds, and cuttings are difficult to root. Populus euphratica seeds lose their germination capacity very easily due to dehydration. In July-August, when the fruit spikes turn from green to yellow and the tips of the capsules split open to reveal white fluff, excellent mother trees should be selected promptly to collect the fruit spikes, which are then dried in the shade to extract the seeds. A seedbed can be built on moist, fertile, well-drained fine sandy soil or sandy loam, in the form of a flat bed, ridge bed, or low bed. The seeds are mixed with fine sand and sown in drills or broadcast. Seedlings 2-4 years old can be used for afforestation. Both direct sowing afforestation and seedling planting afforestation can be used.

Seedling Raising Techniques for Populus euphratica

1. Nursery site selection: The seedling raising site for Populus euphratica should be chosen in a well-ventilated place convenient for irrigation and drainage, with fertile, loose sandy loam or mildly saline-alkali soil.

2. Irrigation and soil loosening: For 2-year-old seedlings, irrigation should be controlled. Irrigating twice a year is already sufficient to meet their physiological needs. Loosen the soil and weed 4 times, especially loosening the soil promptly after irrigation or rain. Apply topdressing 1-2 times, thin out seedlings 2 times, and maintain a reasonable density. Appropriately remove some of the leaves on the lower part of the seedlings. This helps with light penetration and ventilation, lowers the surface temperature, and gives rust fungi no opportunity to be active.

3. Rust disease control: The key to sowing and raising seedlings of Populus euphratica is to control the harm of rust disease at the seedling stage. Once rust disease occurs, 15% triadimefon can be used. One-year-old seedlings of Populus euphratica rust disease either do not develop the disease or develop it mildly. Two-year-old seedlings are most susceptible, with the leaves turning yellow, withering, and dying. The disease occurs at the end of May, is severe in July and August, and basically stops in early September. Seedlings are infected from the bottom upward, and parts higher than 1.3 m are not infected or only slightly infected. In addition, excessive irrigation, poor drainage, and heavy summer rainfall can all promote the occurrence and spread of rust disease.