The new hybrid variety of apricot and plum has strong adaptability, drought tolerance and barren tolerance. Gardens can be built in shallow hills and mountains and plain sand areas. In order to obtain early high yield, loam with flat terrain, good irrigation and drainage conditions, deep soil layer, fertile soil and soil PH value of 5-8 should be selected in the garden. In addition, we advocate the establishment of a green and pollution-free fruit base, and pay attention to the selection of plots with good water quality and air and no soil pollution around the park.

Second, variety selection

At present, the suitable varieties are flavor rose, flavor queen, flavor fragrance, flavor emperor, dinosaur egg, flavor king, flavor thick and so on.

Third, colonization.

Apricot and plum ended dormancy later and germinated earlier. The suitable planting time is 165438+1before germination from early October to late February. The planting density can be 2m×3m or 1m×3m. When planting, dig a planting hole (or planting ditch) with a length of 80cm, a width of 80cm and a depth of 80cm to separate the topsoil from the subsoil. Backfill depth should be lower than the surface 10cm for watering after planting. When planting seedlings, dig 20cm deep and 20cm wide in the center of the backfilled hole, stretch the roots of the seedlings, put them into the hole, backfill with a small amount of topsoil, gently lift the seedlings, so as to fully stretch the roots, and water them after compaction. After watering and settlement, the planting depth of seedlings should be 5- 10cm above the ground. If time is tight or labor is tight, you can also plant it first and then expand the hole to improve the soil.

Fourthly, pollination tree configuration.

To increase yield, many varieties should be mixed or pollinated. The suitable pollination trees between apricot and plum varieties are: Weixin can pollinate with white flowers; The suitable pollination trees for dinosaur eggs are Di Wei, Flavor Queen and Thick Flavor. The pollination trees suitable for Wang Wei are dinosaur egg, thick flavor and Di Wei; The suitable pollination trees for flavor queen are dinosaur eggs and flavor king; Di Wei, Wang Wei and Weicon are suitable pollination trees with strong taste. The suitable pollination trees in Di Wei are fragrant rose and fragrant king; The pollination tree of flavored roses is fragrant and thick; In addition, apricot or plum with similar flowering period can also be selected as the corresponding pollination varieties. The suitable ratio of each variety to pollination tree is 7: 3.

Five, plastic pruning

The tree adopts natural heart shape or two-layer evacuation heart shape, and the trunk is 40-50 cm high. Prunes and prunes have strong growth potential. Young trees should be trimmed with light cutting and slow release, and the branches should be thinned. Comprehensive measures such as coring, ring cutting and branch pulling should be taken, and paclobutrazol should be sprayed on leaves to inhibit the vigorous growth of trees and promote the formation of heart buds. When pruning in the growing season, attention should be paid to thinning out the overgrown branches and sprouting branches; Pull branches and open branches in autumn, and sparse the overgrown upright branches and competitive branches; In winter, we should pay attention to the solution of overlapping branches, over-dense branches and pests and diseases branches, and do not cut short all other strong branches except the very weak flower branches. Results The number of fruit per plant was 150-250 in the early stage, and about 500 in the full fruit stage.

Six, flower and fruit management

Prunes and plums should be pruned again before flowering to remove fragile branches. Releasing bees in full bloom, combined with spraying 0.3%-0.5% borax and 0.3% urea water on leaves, can significantly improve the fruit setting rate. Prunes should be thinned after the first physiological fruit drop, and generally one fruit is left every 10cm. Applying 100- 150g potassium sulfate compound fertilizer to plants during fruit expansion can increase fruit weight. Spraying 0.3%-0.5% potassium dihydrogen phosphate solution every other week during the coloring period of apricot and plum can obviously increase the sugar content and promote coloring. After the fruit is harvested, the management of fertilizer and water should be strengthened to promote the recovery of tree vigor. At the same time, paclobutrazol can be sprayed on the leaves for 500-800 times, totaling 2-3 times, to control the vigorous growth of trees and promote the formation of flower buds.

Seven, water and fertilizer management

Apricots and plums are not tolerant to flooding. In order to facilitate drainage, a ditch with a depth of 20cm was dug along the planting line with the trunk as the center line and 50cm away from both sides of the center line. At the same time, the soil under the tree tray should be sealed and piled into an arc to facilitate drainage. Irrigate once a year before flowering, after flowering, during the period of young fruit expansion and before freezing, and timely drain irrigation according to soil moisture in July and August. After fruit harvesting, water and fertilizer management should be strengthened, and 0.5 kg compound fertilizer of nitrogen, phosphorus and potassium should be applied to each plant to improve the nutrient accumulation of the tree, promote the rejuvenation of the tree and form full and full flower buds. From the end of June 65438+ 10 to the beginning of June 165438+ 10, ditches or troughs with a depth of 40 cm and a width of 30 cm were dug on both sides of the tree rows, and 30-50 kg of decomposed organic fertilizer or 2-3 kg of superphosphate and 0.5-/kloc-were applied to the plants.

Eight, pest control

Clean up the orchard comprehensively with winter scissors. Spraying sulfur mixture before germination in mid-February to eradicate the source of the disease. Bacterial perforation can be alternately treated with thiophanate methyl, mancozeb, carbendazim and Durex cream for 2-3 times. Aphids can be controlled by omethoate, dichlorvos and pyrethrins. Scarabs can be caught manually or trapped with 5% phoxim emulsifiable concentrate black light and willow.