Vegetable Lists
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Control of main insect pests in summer cabbage
1. The nutrient solution formula of kale in Beijing is the same as that of hydroponic lettuce, which will not be repeated here. two。 Nutrient solution concentration management kale has strong fertility absorption and requires sufficient fertilizer. The concentration management index of nutrient solution is 2.5-3.0ms/cm, which can be used from planting to harvest all the time. 3...
2018-09-12 -
Control methods of Black Rot of Cabbage
When the main symptoms occur in the adult stage, most of the disease spots develop inward from the leaf margin, showing a "v" shape, which is a yellowish brown withered spot. The leaf tissue around the disease spot is yellowish, and the boundary between the disease spot and the healthy part is not obvious. sometimes the pathogen can develop inward along the leaf vein, forming a reticular yellow vein. The cause of the disease is the initial infection source of the disease is in seeds or soil.
2018-09-12 -
Seedling Techniques of Cabbage in Summer, Autumn and Winter
Late-sowing winter cabbage is generally cultivated in September, and cultivated in November using cotton, rice, orchard, sweet potato and other late-crop plots. Harvest in mid-April. The average income per mu is 3000 yuan. The income is good and welcomed by the majority of growers. From sowing to harvest, after a long period of low temperature, early bolting is easy to occur.
2018-09-12 -
Occurrence characteristics and integrated control of diseases and insect pests in alpine Zizania caduciflora
The key points of off-season cultivation techniques of low-altitude double-season Zizania caduciflora are introduced as follows: first, select the improved varieties of Zizania latifolia (belonging to single-season Zizania latifolia). Second, the field with loose and fertile soil should be used as seedling field. At the end of the first ten days of November, the signs will be dried up to 6mur7, 1.
2018-09-12 -
Key points of protected cultivation and management of Zizania caduciflora in greenhouse at present
In the early spring of this year, the growth process of protected cultivation of Zizania caduciflora in greenhouse was 5-7 days later than usual due to the rare continuous rain and low temperature in history. It is necessary to seize the interval of sunny days to step up the field management of Zizania caduciflora cultivation in greenhouse facilities, and speed up the healthy growth of Zizania caduciflora under greenhouse facilities.
2018-09-12 -
Cultivation techniques of purple cabbage in spring
Purple cabbage has good cold resistance, compact heading, bright color, strong adaptability, high yield and good quality. it is suitable for cultivation in open field and protected field, with a yield of 2500-3000 kg per mu. 1. Variety selection: Zigan No. 1, Zaohong, Hongmu and other varieties with strong winter and early spring sowing were selected. 2. Sowing and raising seedlings: Nanjing.
2018-09-12 -
How to control cabbage armyworm
Cabbage armyworm (cabbagemoth) is alias cabbage night burglar, cabbage armyworm, Latin name: MamestrabrassicaeLinnaeus belongs to Lepidoptera, Noctuidae. Cabbage night moth has a variety of food habits. It is known that there are more than 100 species in 45 families. The main vegetables are cabbage, cauliflower, cabbage, radish, rape, eggplant fruits, beans,.
2018-09-12 -
Prevent cabbage cracking in early spring
Cabbage in the protected field in early spring is prone to leaf ball cracking, which not only affects the appearance quality and commerciality of cabbage, but also is easy to be infected with diseases, affecting storage and transportation. According to the experiment, the 20-blue crack ball is not only related to variety, but also related to too much water, but has nothing to do with fertilizer. If the water is insufficient, the cabbage is small, if the water.
2018-09-12 -
Pollution-free production technology of potato stevia and autumn cabbage in early spring
This spring, low temperature, light days, is conducive to the occurrence of Sclerotinia sclerotiorum, the majority of vegetable farmers should start prevention and control as soon as possible to reduce the harm. First, the symptom characteristic after the seedling is susceptible, the leaf appears the water immersion shape light brown disease spot, the edge is not obvious, the disease tissue soft rot causes sudden collapse. Suffer during the heart-filling period, in the vegetable gang near the ground.
2018-09-12 -
Zizania latifolia has excellent culture quality and high yield.
Zizania caduciflora is a temperature-loving plant, which propagates asexually by tillers and tillers. It is suitable for growth at a temperature of 10-25 ℃ and is not resistant to cold, high temperature and drought. The frost-free period in the cultivated area is more than 150 days, and its leaves die after frost, and it can withstand a low temperature of-10 ℃ in dormant period. The frost-free period in northern China is short, mainly planting single-season Zizania latifolia, suitable for single-season Zizania latifolia.
2018-09-12 -
Cultivation techniques of Zizania latifolia in greenhouse
1.1 The varieties of Zizania latifolia L. were selected from Zhejiang Zizania latifolia L. No. 2, which was suitable for local planting. This variety was introduced from Zhejiang University in 1995. After many years of domestication and breeding by agricultural technology department, it has become a main variety widely planted in Yuyao City. Zhejiao 2 is about 2m high, 3.5~4.5cm wide, strong tillering,...
2018-09-12 -
New techniques of early ripening cultivation of Zizania caduciflora covered in greenhouse
The main diseases of Zizania caduciflora are rust, flax spot and sheath blight. The prevention and control of Zizania caduciflora disease must be based on agricultural control and comprehensive management must be carried out. Select disease-resistant varieties, do a good job in winter garden cleaning, reasonable close planting, strengthen fertilizer and water management, manually peel off yellow leaves and diseased leaves, at the same time reasonable chemical control, spray protection in the early stage of the disease.
2018-09-12 -
Causes and prevention of male transformation of Zizania caduciflora
In the process of planting Zizania latifolia, there are often plants with flowering stems but not Zizania caduciflora, which are called "male Zizania latifolia" or "strong Zizania latifolia". Zizania caduciflora lost the ability of bolting, flowering and fruiting after being infected with smut fungus, and the flower stem expanded to form Zizania caduciflora. The spread of smut was mainly caused by the previous year.
2018-09-12 -
High temperature and high humidity Zizania latifolia is prone to flax leaf spot.
Leaf spot of Zizania caduciflax is a fungal disease. In recent years, with the increasing area of Zizania caduciflora, the scope of the disease has gradually expanded, and the disease is becoming more and more serious. The disease can occur in the whole growing period of Zizania caduciflora. The main harm to the leaves, the initial appearance of yellow-brown spots on the leaves, and then expanded into sesame-sized brown spots, a few into.
2018-09-12 -
Matters needing attention in rape planting
Matters needing attention in rape planting
2018-09-12 -
Planting techniques of Pleurotus ostreatus
Planting techniques of Pleurotus ostreatus
2018-09-12 -
Identification and control of sheath blight of Zizania caduciflora
[symptom characteristics] Zizania latifolia blast, also known as Zizania caduciflora gray heart disease, mainly affects leaves. Leaf disease spots can be divided into three types: acute, chronic and brown spot. The acute type of spot is dotted, dark green, and the gray-green mildew layer on the back of the spot (conidia and conidia) is more obvious, which is the precursor of the epidemic of Zizania latifolia white plague. The chronic spot is nearly fusiform.
2018-09-12 -
Field management techniques of Zizania caduciflora
[symptom characteristics] the soft rot of Zizania caduciflora mainly occurred in Zizania caduciflora during transportation, sale and storage after harvest. At first, the infected Zizania caduciflora showed nearly round to amorphous nearly translucent water stains, then the disease spot expanded rapidly, the affected tissue was soft rotten, smelled foul smell, and finally some or most of the tissue rotted and could not be eaten. Suffer from.
2018-09-12 -
Key points of autumn planting techniques of Zizania caduciflora
The autumn planting of Zizania caduciflora can make full use of the free middle (single) late field, double late field, medium and low yield field, low-lying waterlogged land, Zizania caduciflora field, etc., which can improve the yield and benefit of the first harvest year. Compared with the traditional spring planting of Zizania latifolia, planting Zizania latifolia in autumn makes full use of not only the free fields in winter, but also the long time in autumn.
2018-09-12 -
Leaf spot of Zizania latifolia and flax
Flax leaf spot is the main disease of Zizania caduciflora, which is widely distributed and common, and occurs in all areas where Zizania caduciflora is planted. The disease is more serious in summer and autumn, and the diseased plant often reaches 80%, 100%, which obviously affects the production of Zizania caduciflora. Symptoms: the disease is mainly damaged leaves, the spot is brown necrotic spot at first, and then develops into nearly oval to fusiform.
2018-09-12