Amphisarca Lists
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Measures for auxiliary pollination of peach trees
Peach scab, also known as scab, is one of the common diseases of peach trees. When peach trees fall ill, black spots or even cracks appear on the diseased fruit surface, which seriously affects the commodity value. 1. Symptoms of damage: mainly damage to fruits, followed by damage to shoots and leaves. The disease of the fruit began to appear small brown spots, and later.
2018-09-15 -
Control of Diseases and insect pests in Peach
1. Note that peach trees are chlorine-free crops. After application, it is easy to cause root rot, leaves withered and yellow, light trees weakening, and heavy ones leading to plant death. Therefore, do not use chlorine fertilizer. two。 Pay attention to watering during flowering. Watering at flowering stage can easily lead to the decrease of soil temperature and soil air content, affecting the growth and absorption of roots.
2018-09-15 -
Four points for attention in planting big cherry
After trial planting, big cherries like to be warm, not cold-tolerant, not tolerant to drought, not tolerant to waterlogging and afraid of strong wind, so they are suitable for cultivation in areas with an annual average temperature of 10 ℃ ~ 15 ℃. Practice has proved that when the annual average temperature is higher than 15 ℃, big cherries tend to blossom more and set less fruit. Introduction and development of big cherry, not only depends on the local annual average temperature,.
2018-09-15 -
Key points of nectarine cultivation techniques
The cultivation techniques of nectarine are basically the same as those of other peach trees, but in order to successfully retain the characteristics of this variety and achieve high and stable yield, the main points of cultivation techniques are drawn up as follows: 1. Nectarine site selection has the following characteristics: 1. Nectarine has the characteristics of early germination and flowering, like sunshine, not tolerant to shade, afraid of flooding, not suitable for clayey soil, etc.
2018-09-15 -
Management techniques of nectarine in summer
The main diseases and insect pests of nectarine include: peach anthracnose, brown rot, leaflet disease, peach aphid, leaf mite, leaf miner, etc. To these diseases and insect pests, spray 5-degree stone sulfur mixture before germination, spray 2000 times of 10% aphid lice net wettability agent after falling flowers, and spray 72% agricultural streptomycin 3000 times respectively in the middle and last ten days of May.
2018-09-15 -
New countermeasures to skillfully control nectarine diseases and insect pests
The main diseases in the growing period of nectarine are bacterial perforation and brown spot perforation, which were sprayed with "New High Lipid membrane" + 70% methyl topiramate wettable powder 800 times and 65% Dessen zinc wettable powder 500 times. The main insect pests are aphids, red spiders and so on. 3000 times of liquid of 10% aphid lice can be used. At the same time, cooperate with spraying new high.
2018-09-15 -
Cultivation and management techniques of pollution-free fresh peach trees
Pollution-free production environment, production technology and product quality meet the requirements of relevant national standards and regulations, production environment quality meets the requirements of GB/T18407.2-2001, and NY/T5114-2002 production regulations are carried out. Limited use of chemical fertilizers, pesticides and other synthetic substances are allowed in the production process.
2018-09-15 -
Peach bagging has new technology.
Peach fruit bagging technology can effectively prevent the harm of diseases and insect pests, reduce the rate of diseases and insect pests, reduce pesticide residues and harmful dust pollution, improve the grade and commodity rate of fruit, make the fruit surface smooth and beautiful, and increase the commercial added value of fruit at the same time. The fruit bags used in the past are basically made by artificial paste of waste newspapers. Bag gauge.
2018-09-15 -
Causes, prevention and treatment of strawberry malformation
First, the temperature and humidity are not suitable. Low temperature, high temperature or high humidity environment can easily cause deformed fruit. When the weather is fine and the temperature is suitable, the petals can open early in the morning and begin to prescribe medicine a few hours later, revealing pollen, during which pollination and fertilization is carried out. Under the condition of low temperature, the petals can not be fully opened and turned over.
2018-09-14 -
Management Techniques of Strawberry Forcing Culture
1. Change flat ridge cultivation to high ridge cultivation. Flat ridge cultivation, field humidity, poor ventilation, serious diseases and insect pests, easy to cause fruit rot, quality and yield reduction. High ridge cultivation can overcome these weaknesses and is more suitable for protected cultivation. The specific practice of high ridge cultivation is: choose flat terrain, wind...
2018-09-14 -
Cultivation techniques of dragon fruit in solar greenhouse
Dragon Fruit, also known as Divine Dragon Fruit, is a perennial tropical plant of the genus Cactaceae, native to South America. In order to realize the south-north planting, the fruit was introduced in Langfang City, Hebei Province in 2002. Through experiments, the fruit was successfully produced after overcoming the influence of adverse climatic conditions such as high temperature and drought in the early stage and cloudy and rainy in the later stage.
2018-09-14 -
Cultivation techniques and field management of dragon fruit
First, the dragon fruit in the garden is more heat-resistant, water-resistant, like warm, humid, sandy soil rich in organic matter. Before seedling cultivation, according to the specification of 1.5 meters × 2 meters per mu, 110 10 × 10 × 250 cm concrete square columns were erected and 50 cm cement columns were embedded into the soil to support the climbing of dragon fruit branches.
2018-09-14 -
Main points of propagation of dragon fruit
The main results are as follows: 1. The cuttings are most suitable in spring and summer. The cuttings should select full stem nodes, which are about 15 cm long. After the wound is air-dried, they can be inserted into the sand bed. About 15 Mel can take root in 30 days, and the roots can grow to 3 Mel and 4 cm transplantable seedbed. 2. The grafted seedlings should be free of diseases and insect pests, strong growth and full stem and flesh.
2018-09-14 -
Key techniques of cultivation and management of dragon fruit in greenhouse
Dragon fruit is also known as red dragon fruit, green dragon fruit, Xianmi fruit and so on. At present, the main cultivated varieties are white dragon fruit, red dragon fruit, yellow dragon fruit. Pitaya is rich in nutrients, mainly containing vitamins, cellulose, glucose, carotene, fat, amino acids and minerals such as phosphorus and iron needed by the human body.
2018-09-14 -
Water and fertilizer management of dragon fruit and matters needing attention
The dragon fruit is more drought-tolerant. It is watered every 2-3 days at the initial planting stage, and the soil can be kept moist after that. The root distribution of dragon fruit is shallow, and fertilization should be applied for a few times to prevent root burning and rotting. After the colonized seedling germinates, thin human feces and urine can be applied in the planting hole about 10 cm away from the seedling, about 1 kg per plant, and then germinate every time.
2018-09-14 -
Spring tube strawberries should pay attention to "five in time"
Strengthening spring management is the key to promote the high quality, early maturity and yield of strawberries. Specific measures should be taken to do a good job of "five in time". 1. Remove the cold cover in time. Strawberry is an evergreen plant in temperate zone. When the soil temperature is 1 ℃ ~ 2 ℃, its root system begins to grow. In production, when the temperature is about 5 ℃, it is necessary to reach.
2018-09-14 -
Harm and Control techniques of continuous cropping of Strawberry in greenhouse
1. The harm of continuous cropping of strawberries in greenhouse 1.1 leads to the long-term accumulation of pathogenic microorganisms and continuous planting of strawberries on the same plot, which will cause obvious changes in the microbial community in the soil, and suddenly nematodes and pathogens multiply in large numbers, resulting in the occurrence of diseases and insect pests. 1.2 lead to the loss of strawberry nutrient balance.
2018-09-14 -
Cultivation techniques of watermelon in greenhouse in early spring
Strawberry snake eye disease, also known as leaf spot disease, is a common disease of strawberry. There was no significant impact on production when the disease was mild, but 60% in severe cases, and some leaves were necrotic and dry, which significantly affected the yield of strawberries. Symptom recognition mainly harms leaves, petioles, fruit stalks, tender stems and seeds. Dark purple compartments are formed on the leaves.
2018-09-14 -
How to control strawberry Fusarium wilt management measures
Strawberry Fusarium wilt is a kind of fungal vascular bundle disease transmitted by soil, which can occur from seedling stage to harvest stage. Prevention and control methods: 1. Strengthen cultivation management. Drain water in time after rain. Diseased plants were found to be removed and destroyed in time, sterilized by spraying drugs, and new high-fat membranes should be added to enhance the efficacy. 2. Flowers and fruits.
2018-09-14 -
Strawberry management in early spring
1. Don't one-sidedly pursue big fruit varieties. Large-fruit strawberries have become the goal pursued by many farmers. however, the fruit size of the same variety varies to a certain extent, and the fruits of the primary inflorescence are relatively large, and the higher the grade, the smaller the fruit. Fruit size is not the only sign of judging quality, but also from pulp firmness and solubility.
2018-09-14