Zhongli No. 1 walnut is one of many walnuts. It is a new walnut variety that has emerged in recent years. It is characterized by high yield and stable yield, simple planting method, and is worthy of planting by all growers. The following is about Zhonghao No.1. High-yield cultivation techniques for walnuts, please refer to them.

浅谈中嵩1号核桃丰产栽培技巧

1 Deeply expand the hole and apply fertilizer

Zhongmu No. 1 walnut should choose a place where the soil layer is deep, moist and fertile, the leeward sun is sunny, the light is sufficient, the gas permeability is good, the drainage is convenient, and the water is not easy to accumulate. It is not suitable for planting in shallow hills without dredging and large-scale land preparation, and in arid and dry land.

1.1 Apply sufficient base fertilizer

The base fertilizer is applied every year, and the farmer's fertilizer is 20-50 kg. After the fruit picking, the initial fruit plant is applied with 50-80 kg, and the fruit plant is applied with more than 100 kg. After the autumn leaves, the whole garden was turned over again.

1.2 Combination of acupoint application (base) fertilizer

With the expansion of the canopy, the autumn and winter should be extended along the canopy to expand the hole, digging deep and wide 60 cm, 60-100 cm long fertilization ditch, or 60 cm deep and wide groove, backfilling Mix in farmyard fertilizer.

1.3 Scientific backfill

It is necessary to backfill scientifically, and it is not necessary to unearth after the bottom layer of the hole is broken. Standing in the hole, the soil around the hole is filled into the hole, which saves time and labor, and enlarges the tree hole.

中嵩1号核桃丰产栽培技巧

1.4 top dressing

The fertilizer is applied twice a year. The first time in mid-March before flowering, nitrogen fertilizer is the main factor to promote flowering and increase fruit set rate. The plant application rate is 0.2-0.5 kg. The second time in mid-June, the young fruit speed is long-term application. Yuan compound fertilizer, plant application 0.3 ~ 1.0 kg, promote fruit expansion, reduce fruit drop.

1.5 Tree Covering Grass

After the annual wheat harvest or autumn harvest, the tree tray is covered with straw and grass 15 cm, and the point is pressed against the wind and blown away. Tillage before germination in late autumn or leap year can not only protect the alfalfa, but also increase the soil organic matter content and promote the growth and results of walnut.

2 cultured dry layered tree

The medium-dry layered tree has the characteristics of large crown, firm skeleton, clear hierarchy, reasonable structure, large load, long life, full use of space and light energy, ventilation and light transmission, three-dimensional results and high yield.

The whole tree is cultivated with six or seven main branches, divided into three or four layers, and the trunk is about 80 cm high. The first three layers of the main branch, the distance within the layer is about 40 cm, the main branches are adjacent, do not adjoin, to prevent "snap neck". The side branch angle should be smaller than the main branch, and the side branch of the first layer main branch is push-grinding and cannot be used for fighting. The first side branch is about 70 cm dry, the second side branch is about 50 cm from the first side branch, the third side branch is about 50 cm from the second side branch, and the fourth side branch is about 40 cm from the third side branch. When the tree age is 8 to 10 a, it is happy, and the tree height is 5 to 6 m.

3 first dense and then thin, reasonable close planting

In order to increase the yield per unit area of ​​saplings and initial fruiting. After planting, the strain is designated as a permanent strain or a temporary strain. The permanent plants are arranged in a "good" shape to achieve the purpose of early high yield and reasonable use of light energy. When a temporary strain affects the growth of a permanent plant, it is retracted year by year, or it is trimmed into a fan shape, allowing it to let the space, let the light path, until there is no space, and no use of the retained value, to completely eliminate the normal growth and results of permanent plants. .

中嵩1号核桃丰产技巧

4 sparse and thin fruit

The walnuts of Zhongmu No. 1 are typical early and high-yield varieties, and the results of saplings in young trees and early-fruiting trees account for a large proportion. Male inflorescences and young fruits consume large amounts of nutrients during growth and development.

4.1 Shuxiong

In the middle of April, when the male inflorescence grows about 1 cm long, 90% of the male flowers are removed.

4.2 thinning fruit

From late April to early May, fruit thinning begins when young fruit grows and grows like corn kernels. The saplings of the saplings are more sparse, and the weaker branches of the weaker trees are less sparse. It is advisable to retain the fruit with a projection area of ​​1 m2 crown and leave 80 to 100 fruits.

5 plastic trim

5.1 Plastic trimming period

Walnuts are easy to injure during the dormant period, so it is not easy to trim in winter. The result tree should be trimmed after harvesting in the autumn and until the leaves turn yellow. The saplings and the initial fruit trees should be pruned before the male flowering in the first half of April.

5.2 sapling period (1~5 years old)

Based on plastic surgery and supplemented by results, the three main branches and the second and third main branches of the base are cultivated. In addition to the backbone branches, the permanent plants will be flattened to promote the flowering results. In addition to the middle dry branches, the temporary branches are all slowly released and not cut. In the summer, the branches are opened or flattened, and the characteristics of the buds are easily formed to achieve early high yield.

5.3 initial result tree (6-10 years old)

The main task is to "shape the results correctly." Continue to cultivate the backbone branches at all levels, and use a large number of auxiliary branches to increase the output year by year. Reconstruction and utilization of the length, erect, and light-blocking, using the method of first releasing and shrinking, pulling the corners and corners to fill the space, so that it can occupy the space reasonably and expand the result area. In order to improve the quality of the fruit, the fruit is increased by 20 cm when the fruit is slightly longer than the fruit. The top bud is a leaf bud, and the lateral bud is a flower bud.

5.4 Fruit Tree

The main task is to “enhance fruit production and extend the fruiting period”. The methods of retracting, updating, and thinning are used to treat the drooping branches, overlapping branches, cross branches, long branches and thin branches, and cultivate the large, medium and small result branches, reasonably occupy the space, and realize the big branches and small branches. It is dense, dense, dense and dense, and has three-dimensional results, achieving the goal of high-quality cultivation for years.

6 Prevention and treatment of "two diseases and four insects"

6.1 Disease prevention

The diseases that are harmful to the fruit are mainly anthracnose and black spot, and the years of autumn rain often cause reduction or even failure. The prevention and control measures are as follows: 3 to 5 ° Bé stone sulphur mixture or 45% crystal sulphur sulphur mixture 30 times solution is sprayed on the tree before germination in mid-Love; 2 female flowers are sprayed 70% after flowering and young fruit like finger Methyl thiophanate 1000 times or 50% carbendazim 600 times solution.

6.2 Pest Control

The pests that damage the fruit mainly include the limb moth and the peach aphid. The prevention and control measures are as follows: from early June to late July, spray the beta-cypermethrin 2 000 times solution or 35% Tao Xiaoling 1500 times solution or 48% lesben 1 500 times solution to the tree body, even spray two or three times, interval 15 d, killing eggs and killing eggs. It is important to note that pesticides should be used interchangeably.

The pests that damage the branches are mainly mulberry and beetle. The control method is as follows: during the incubation period of the nymphal nymph, spray 40% chlorpyrifos 1500 times liquid and 25% chlorpyrifos WP 10,000 times, spray once every 10 days. The spray spray method is used to ensure uniform spray. In addition, homemade poisonous signs, poisoning the beetle. When the damage of the beetle is found, you can use the twig stick to smash it in the dichlorvos solution, and then insert it into the bottom of the branch to drain the feces (wood chips), poisoning the beetle.

7 timely harvesting and processing

7.1 Signs of ripening of walnut fruit

The fruit of Zhongmu No. 1 walnut is shown in Figure 1. When the fruit epidermis changes from cyan to yellow-green or yellow, and 50% of the top of the fruit is cracked, it is the best harvesting period. The early harvested fruits have low nutrients, miso, low oil content, low yield and poor quality. The fruits harvested at the right time are full, fragrant, high in oil content, high in yield and good in quality. Production practice proves that the closer the fruit is to maturity, the more full the seed, the more the quality is increased. If harvested 15 days earlier, the production of walnut kernels will be reduced by more than 1/3.

7.2 Timely peeling to prevent aging

Fruits should be peeled off in time after harvesting. The thickness of the pile should not be higher than 50 cm, so as to avoid blackening of the green skin, polluting the nut shells and nuts, affecting the appearance of the products and reducing the quality of the nuts. When the amount of fruit is large, it can be sprayed on the green fruit with 40% ethephon 1 000 mg/L (400 times liquid), and sprayed and turned to ensure uniform spraying. After spraying, it is peeled off by artificial or peeling machine for about 4 days, and the effect is very good.

The key to the high-yield cultivation of Zhongmu No. 1 is the management of the garden and the prevention and control of pests and diseases. The above is a detailed method explanation, you can learn from.

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