Vegetable Lists
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Green onion continuous overcast and rain to prevent rust
High temperature and rainy season in summer and autumn, in case of continuous overcast and rainy weather, green onions are easy to get rust, farmers should take effective measures in time to strengthen prevention and control. In summer and autumn, especially after 2-3 days of continuous rain, the occurrence of green onion rust should be checked in time, if brown and green are found on onion leaves.
2018-09-16 -
Identification of dried tip of green onion and its control measures
Green onions are divided into physiological dry tip and pathological dry tip, and the latter "white dry" and "green dry" often make onion farmers confused, it is difficult to prescribe the right medicine, resulting in missing the best opportunity for prevention and treatment. Here, briefly talk about the causes and prevention measures of the two symptoms. White dry is caused by blight, in high temperature and high humidity ring.
2018-09-16 -
Management Rules for Autumn Onion
Scallion is a lily family, biennial, cold-resistant and adaptable vegetable. The leaves of Chinese onion can volatilize propylene sulfide with pungent smell, and its roots can secrete bactericidal substances. Both of them can effectively inhibit the transmission, infection or killing of pathogenic bacteria in the air and soil, so that the incidence of vegetable plants can be significantly reduced.
2018-09-16 -
Main diseases of Welsh onion
After entering the prosperous period of green onion growth, the harm of diseases and insect pests also entered the high incidence period. The main diseases and insect pests are purple spot, downy mildew, soft rot, onion maggots, onion thrips, onion leafminer, beet armyworm. 1. Purple spot disease: spraying 75% chlorothalonil wettable powder 500-600 times, 58% metalaxyl manganese.
2018-09-16 -
Good quality, high yield, reducing nitrogen and increasing potassium is the key.
In recent years, the majority of vegetable farmers blindly increase the use of chemical fertilizers, especially nitrogen fertilizers, in order to increase the yield of green onions. According to the investigation, the average application of pure nitrogen and pentoxane phosphorus per mu of green onions is as high as 40,50kg and 1015kg respectively, while little or no potash fertilizer is applied, resulting in a decrease in green onion yield and aggravation of root rot.
2018-09-16 -
Technical guidance on cultivation of Welsh Onion
First, raising seedlings: 1. Sowing time: according to the different requirements of the products, the seeds can be sown in four seasons. The best sowing time for high-yield Welsh onion is autumn sowing (the ten-day average temperature is 16.5 ℃-17 ℃, which is in the first ten days of October). The climatic conditions of the north and south of the country are different, the sowing time is also different, the best time is determined.
2018-09-16 -
Seedling raising technique of Welsh Onion
First, the variety selection mainly includes star F1, Yuanzang, Changbao, Hanchun F1 and other Japanese imported varieties; domestic varieties: rare jade giant onion, iron pole, Moyu giant onion, Zhangqiu green onion and so on. Second, the sowing date and seedling age should choose loose and fertile land with high organic quality. Because green onions avoid continuous cropping, the previous crop has been planted with onions and garlic.
2018-09-16 -
Fertilization techniques for High quality and High yield of Welsh Onion
The cause of root rot of Welsh onion is similar to that of retting root, and it is a fungal disease. It is a disease caused by Pythium, Fusarium oxysporum, Phytophthora and other pathogens. The pathogen overwintered in the soil or on the diseased body and became the main source of primary infection the following year. The pathogen invaded from the rhizome or root wound and entered through Rain Water or irrigation water.
2018-09-16 -
Topdressing management techniques of onion
1. Selection of superior seeds In production, Ziyu 1, Ziyu 2, Zixing, Shuanghuanghong and other purple skin varieties can be selected. These varieties have the characteristics of spicy flavor, high yield, excellent quality and suitable export. These varieties generally yield about 5000 kg per mu, and the yield per mu of high-yield plots can reach 7500 kg. II.
2018-09-16 -
Varieties and classification of onions
The main results are as follows: 1 the main types of onions can be classified into ① common onions (AlliumepaL.) each plant usually forms only one bulb. Seeds propagate, and a few varieties form aerial bulbs on inflorescences under special conditions. Common onions are generally divided into oblate balls in the shape of their bulbs.
2018-09-16 -
The "five hurdles" should be taken to raise onion seedlings in autumn.
Onion has the characteristics of low input, high yield, simple management and high benefit, so it is an ideal vegetable variety for vegetable farmers to commercialize production and increase income. The first ten days of September is the best time for raising onion seedlings. The main points of seedling raising techniques are introduced as follows. Seed selection can choose Ziyu No. 1 and Ziyu in production.
2018-09-16 -
You can get more onions in the cotton industry in one fell swoop.
The seeds of yellow onion are small and relatively strict on seedbed quality, sowing requirements and post-sowing management. Therefore, the relevant problems that must be paid attention to when sowing and raising seedlings of yellow onion are described as follows: 1. Choose to stay in the seedbed. The seedbed should choose high and cool terrain, fertile soil, convenient drainage and irrigation and unplanted in the past 1-2 years.
2018-09-16 -
Planting green onions and doing a good job of field management in autumn
Planting techniques are as follows: first, preparation before sowing: (1) selection of varieties with strong growth potential, disease resistance and high yield, such as high white sycamore, Gaobai new generation, specially selected Gaobai and other excellent varieties. (2) the sowing date of Welsh onion in autumn is from September 25th to October 5th in Shandong, and the temperature of 5cm is ten days.
2018-09-16 -
Green onions can be used to remove bacteria and prevent diseases of vegetables in greenhouse.
Spring onions are Liliaceae, biennial, hardy and adaptable vegetables. The leaves of Welsh onion can volatilize propylene sulfide with pungent smell, and its roots can secrete fungicides, which can effectively inhibit the transmission, infection or killing of many kinds of pathogens in air and soil, and significantly reduce the incidence of vegetable plants.
2018-09-16 -
Comprehensive control of diseases and insect pests of onion at seedling stage
First, the superior varieties can be selected in production, such as Ziyu No. 1, Ziyu No. 2, Zixing, Shuanghuanhong and so on. These varieties have the characteristics of strong spicy taste, high yield, good quality and suitable for export. These varieties generally have a yield of about 5000 kg per mu, and the yield of high-yield plots can reach 7500 kg per mu. Two.
2018-09-16 -
Onion seedling raising should be good at "five hurdles"
Onion has the characteristics of low input, high yield, simple management and high benefit, so it is an ideal vegetable variety for vegetable farmers to commercialize production and increase income. The first ten days of September is the best time for raising onion seedlings. The main points of seedling raising techniques are introduced as follows. Seed selection can choose Ziyu No. 1 and Ziyu in production.
2018-09-16 -
Key techniques of Onion Seedling production
Onion is a kind of common vegetable which is resistant to transportation and storage. The planting and management of onion is easy, and the economic benefit is between 1000 and 2000 yuan per mu. The experiment shows that cultivating strong seedlings is the key measure to increase production. First, rational fertilization in terms of fertilization, it is necessary to apply sufficient base fertilizer to ensure that there is no need for topdressing in the early stage of seedlings.
2018-09-16 -
What to do when onion seedlings are frozen
The center of onion seedling management is to cultivate healthy seedlings at the right age, that is, to prevent excessive seedlings from leading to early bolting, and to avoid excessive growth and aging of seedlings. 1, water management When sowing, after watering enough water, cover the film and press the edge, until the emergence, do not remove the film, in order to keep warm and water. After emergence, bed soil often remains...
2018-09-16 -
Symptoms, prevention and treatment of garlic deficiency
The main results are as follows: (1) although the watered garlic leaves have strong drought tolerance, the root system is shallow and the absorption capacity is weak, so garlic requires higher soil moisture, and different growth periods have different requirements for soil moisture. After sowing to maintain a high soil moisture, such as drought, should be watered in advance, in order to achieve suitable soil moisture sowing. One day before winter.
2018-09-16 -
Characteristics and control methods of gray leaf spot of garlic
The main results are as follows: (1) the symptom characteristics mainly harm the leaves. The disease spot is long oval, light brown at first, then gray-white, fine gray-black mildew on both sides of the leaf, and when the disease spot is serious, the disease spot converges, resulting in local death of the leaf. The sun is warm and the night is cool, and the foggy and dewy weather is serious. (2) ① was used to remove the injured leaves in time.
2018-09-16