How to grow Blood Orange planting techniques and matters needing attention

Blood orange is a kind of orange, which is a common fruit on the market at present. Blood orange is rich in nutritional value, tastes sour and sweet, and is very popular with consumers. So now there are a lot of people who want to grow blood orange, but before planting, what we most want to know is its planting technology.

How to grow blood oranges

1. Orchard planning. It is required that the soil layer is deep (60 degrees) and fertile, the soil ph value is 5.5-7.0, and the slope of the orchard is less than 25 degrees. When planning the garden, there shall be necessary roads, drainage and irrigation, water storage and ancillary construction facilities. In specific planning, we should concentrate as much as possible and build gardens in places with good transportation and water sources.

2. Time. It is generally planted after autumn shoots mature from September to November or before spring shoots sprout from February to March.

3. Density. The density of plant spacing 3m × row spacing 4m was used in flat land, with 55-60 plants per mu. The density of plant spacing 2.5 × row spacing 3m is suitable for step topography, and it is suitable to plant 80 plants per mu.

Planting techniques and matters needing attention of Blood Orange

First, planting techniques:

The main results are as follows: 1. Soil digging planting holes: drawing wire to set distance, digging planting holes, each 80cm of depth and width, then pressing green manure 50cm deep, backfill 40cm high planting.

2. Ridging and planting in the field: 8 meters with trench (60-80 60cm in width and 40-30cm in depth) and 2 ridges in each box (ridge width 1.5 m, ridge center distance 4 m, ridge height 20-30cm).

3. When planting, the root system of the seedling is appropriately trimmed and placed in the center of the planting hole to stretch the root system and straighten it. While filling the soil, the seedling is raised gently and firmly, so that the root system is closely connected with the soil. Pour enough water on the roots, make a 1m plate around the seedlings and cover it with bran shells.

2. points for attention:

1. Keep the seedlings straight and straight when planting. The neck is exposed to the ground. If the soil layer is thicker and no planting plate is made, a small hole can be dug directly at the planting point, and the nutrient soil mass can be placed completely and vertically into the hole 1ap3, then backfill the surrounding soil to the root neck, and make a tree disk with a diameter of 1m.

2. After planting, the fixed root water was poured in time to make the soil in close contact with the root system of the outer layer of the original nutrition bowl, and the tree disk was covered with black plastic film or rice straw to increase temperature and moisturize. After planting, it is best to set up a pillar and fix it straight. In case of drought, irrigate to keep the soil moist.

How to trim the blood orange

1. Young trees: light pruning is dominant. After the elongated branches in the center of the class and the main branches and secondary branches were selected, the elongated branches were cut moderately or severely, and the growth balance among the main branches was adjusted by the degree of truncation and the direction of cutting buds. Except for the proper thinning and deletion of over-dense branches, the inner bore branches and the weaker branches in the middle and lower part of the crown should generally be retained.

2. Early fruiting period: continue to select short-cut treatment of all levels of backbone extension branches, erase summer shoots and promote strong autumn shoots. Measures such as ring cutting, root cutting and water control are adopted to promote flowers for prosperous trees in autumn.

3. Full fruiting period: timely retraction of fruiting branch group, falling flower fruiting branch group and decaying branch group, cutting off light-blocking branches, withered branches, disease and insect branches.

Common Diseases and insect pests of Blood Orange and their Control

1. Aphids. The damage rate of new shoots is up to 25%, so it should be sprayed immediately. Commonly used agents are chloramidine, dimethoate, butylthiocarb and so on. Attention should be paid to the protection of ladybugs, lacewings, aphid flies, aphid wasps, etc., cut off overwintering eggs and reduce the base of pests.

2. Longicorn beetles. From May to August, the adults of longicorn beetles and green orange longicorn beetles were artificially killed at noon on a sunny day, and the adults of brown longicorn beetles were killed in the evening; the eggs, newly hatched larvae and damaged branches were cut off in time; the wormholes were blocked after soaking pesticides such as dimethoate with cotton or cotton yarn, and then the wormholes were sealed with soil to kill the larvae.

3. Anthrax. Strengthen cultivation management to prevent partial application of nitrogen fertilizer; mancozeb, copper pine branch acid, mancozeb, chlorothalonil and other tree crowns can be sprayed in spring and summer shoots and before fruit ripening, spraying once in 15 days for 3-4 times in a row.

In fact, the method of planting blood orange is not difficult, we must do a good job of site selection before planting, and then choose the appropriate time to sow. After planting, it is necessary to strengthen management, especially timely pruning and pest control are the inevitable factors to ensure the growth of blood orange.