Poplar breeding device and using method thereof

The invention relates to the technical field of poplar cultivation, in particular to a poplar breeding device and a using method thereof. The poplar breeding device comprises a breeding tank, at least one horizontally-distributed partition plate is arranged in the breeding tank, and the partition plates are provided with through holes facilitating penetrating and fixing of poplar flowering branches; a circular coil pipe is fixed below the lowermost partition plate in the breeding tank, a water storage box is connected to the bottom end of the outer side of the breeding tank, the water storage box and the circular coil pipe communicate with each other through a first water pipe, a water pump and a second water pipe, and a plurality of flushing nozzles are uniformly distributed on the upper side and the lower side of the circular coil pipe; and a cleaning mechanism, a filter screen, a water outlet pipeline and a drainage mechanism are arranged in the water storage box from top to bottom. The poplar breeding dev