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What are the control methods for the tortoise wax scale on jujube trees
In recent years, the tortoise wax scale (Ceroplastes japonicus) has spread through the counties of our city, causing serious damage, which has generally weakened the vigor of jujube trees, significantly reduced yields, and even caused total crop failure. In order to effectively carry out chemical control of the tortoise wax scale on jujube, since 1996 we have carried out control trials for 4 consecutive years
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What are the control methods for the peach fruit borer on jujube trees?
Also known as the peach borer moth and peach spotted borer moth, it is an omnivorous pest distributed throughout the country. Its larvae damage the fruits or seeds of many plants such as winter jujube, peach, plum, persimmon, chestnut, apple, pear, pomegranate and hawthorn. When the fruit is damaged, it becomes filled with insect droppings, causing rot, and in severe
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Detailed Explanation of the Method for Raising Jujube Seedlings by Root Cutting and Returning to the Nursery
To raise jujube seedlings by root cutting and returning them to the nursery, first select plants of excellent quality and free from pests and diseases as mother plants. Before budbreak, dig a trench 30-40 cm wide and 40-50 cm deep around the outer edge of the mother plant's canopy to cut the jujube roots, and use scissors to trim the cut root wounds smooth. Apply decomposed organic fertilizer, about 75 kg per plant, mix it with moist soil, fill it into the trench and tread it firm. If conditions permit, it is best to irrigate thoroughly once. Then cover with a layer of loose soil to conserve moisture. After the jujube roots are stimulated, a large number of clustered root-sucker seedlings will appear on the ground near the trench in May-June. Management of the root-sucker seedlings should be strengthened in a timely manner. After budbreak, remove excess buds; the principle is to remove the dense and keep the sparse, and remove the weak and keep the strong, generally with a plant spacing of about 15 cm, so as to ensure normal growth of the seedlings.
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What are the control methods for the jujube rust mite?
Jujube trees are generally more common in the north and relatively rare in the south. For friends who grow jujube trees, the thing they fear most is the damage of pests. Once a jujube tree is attacked by pests, not only will the yield decrease, but the fruit produced will be bitten and damaged by insects, and in more serious cases it will
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Experience Sharing on Raising Jujube Sucker Seedlings by Returning Them to the Nursery
Using jujube sucker seedlings from jujube orchards and returning them to the nursery is a widely applied method for cultivating strong jujube seedlings. (1) Land preparation: choose flat loam soil with a water source as the nursery. Plow deeply 20 cm and apply sufficient farmyard manure as base fertilizer. Make beds 90 cm wide and 10 m long, oriented north-south, with 2 rows of seedlings per bed.
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When to Apply Top Dressing to Jujube Trees? A Detailed Guide to Growing Experience
Top dressing must be applied during the growing season when the jujube tree most needs nutrients. If the timing of top dressing is incorrect, the purpose of top dressing cannot be achieved, and sometimes it even has the opposite effect, reducing jujube yield and quality and wasting labor and fertilizer. According to the characteristics of the phenological phases of jujube trees, top dressing of jujube trees
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What are the control methods for the jujube gall midge, a pest of jujube trees?
Jujube gall midge (Contarinia sp.) (1) Aliases and taxonomic status: jujube bud maggot, leaf-rolling maggot, jujube maggot, belonging to Diptera, Cecidomyiidae. (2) Distribution: This insect is distributed in all jujube-growing areas across the country, with the five major jujube areas of Shandong, Shanxi, Henan, Hebei and Shaanxi suffering the most severe damage; it is one of the main pests of jujube leaves.
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What are the propagation methods for jujube saplings? Teach you how to plant them correctly
The jujube tree is an important fruit tree in our country. Its root system is well developed, and some roots close to the ground can produce vigorous root-sucker seedlings. Propagating by dividing root-sucker seedlings is both simple and labor-saving, and is an important method for developing jujube trees. The division propagation of jujube root-sucker seedlings is carried out in the following two steps
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Key Management Techniques for Jujube Trees After Fruit Harvest
In late June and early July, jujube fruits mature successively and enter the harvest stage. In order to speed up the recovery of tree vigor, promote the growth of robust autumn shoots, cultivate excellent fruiting mother branches, and lay a good foundation for high and stable yields the following year, it is necessary to strengthen orchard cleaning and pruning, fertilizer and water management, and pest and disease
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How to prevent and treat jujube witches' broom disease? Essential methods for anyone growing jujube trees
Jujube witches' broom disease is a viral disease caused by mycoplasma-like organisms, transmitted by leafhopper insects such as the round-spotted leafhopper, or through infected root, stem and leaf seedlings or the graft buds and rootstock of grafted seedlings. It is fairly common in affected regions and often becomes the "cancer" of jujube cultivation. At present there are several treatments
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