Vegetable Lists
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Occurrence and control of brown class disease of lotus root
Brown class disease is the main disease of lotus root, which is widely distributed. It can occur in spring, summer and autumn. Generally, the diseased plant accounts for 30%-50%. In severe cases, the incidence rate can reach more than 80%, which significantly affects the yield and quality of lotus root. 1. Symptoms this disease mainly harms the leaves and petioles of lotus roots. The leaves produce small brownish green at the initial stage of the disease.
2018-09-13 -
Cultivation techniques of lotus root in arch shed
1. Select improved varieties: select medium-ripe, 4-5-node main lotus root varieties. 2. Processing seed lotus root: Choose the main lotus root with strong lotus bud, 2-3 nodes and weight of more than 0.5 kg as seed lotus root, or select large seed lotus root as seed lotus root. After digging lotus roots, plant them as early as possible, and the seed amount per mu is 300-400 kg. Before planting...
2018-09-13 -
There are ways to apply fertilizer for high yield of lotus root.
First, fine soil preparation, the application of sufficient fertilizer lotus root grows in the soil, it requires that the soil is rich in humus, soft and loose, and good air permeability, which is most conducive to the growth of lotus root, and easy to obtain high quality and high yield. Therefore, the soil should be deeply turned over before planting lotus root, fine soil preparation and adequate basic fertilizer should be applied. It is usually thawed at the end of winter.
2018-09-13 -
Prevention is the key to the rot of lotus root.
Rot disease is a common disease on lotus root, which occurs to varying degrees every year. The planting area of lotus root in Wuhan is large, and the local lotus root rot occurs seriously. Lotus root species in most areas are introduced from Wuhan, so the disease of lotus root field rot has occurred seriously in some areas in recent years. The vascular bundles of the plant will turn brown after the disease.
2018-09-13 -
Prevention and control of lotus root rot should be timely.
Q: the lotus root planted in my family grew very well at the beginning, but now the leaves have dried up and several drugs have not worked. What on earth is going on? What kind of medicine can be cured? At present, lotus root leaf disease is mainly lotus root rot disease, which is the first major disease in lotus root production.
2018-09-13 -
Technical methods of seed selection and retention of Lotus Root
(1) selection and breeding. The selection and breeding of lotus root mainly includes asexual seed selection and sexual cross breeding. 1. Asexual selection. China is rich in lotus root germplasm resources, which provides good conditions for asexual selection. In recent years, varieties selected from superior clones include Kexuan 1, Elian 1 and Zhejiang Lake.
2018-09-13 -
Planting techniques of lotus root
Lotus root is a perennial aquatic plant of the family Nymphaeaceae, also known as pond lotus and hibiscus, which likes a warm and humid climate and requires sufficient sunshine, fertile and deep soil and an environment with adjustable water level. Its fruit is called lotus, its rhizome is called lotus root, and its flower is called lotus. The main edible part is rhizome. Lotus root is rich in nutrition, can be cooked, fried, and.
2018-09-13 -
The technique of planting lotus root with terminal bud
In recent years, some farmers in China have replanted lotus root with higher output value in some low-lying fields. According to the investigation, lotus plague (also known as rot disease) occurred in some lotus fields, which is the main disease of lotus root. In general, the yield of diseased fields is reduced by 20%, and the serious ones are up to 60%, 80%. First, harm symptoms: Lotus plague mainly harms the underground stem, making it brown and rotten, first.
2018-09-13 -
Why does the lotus root rot?
Topdressing can be applied for 2-3 times. The first time when the standing leaves grow 1-2, the second time before the row is sealed, and the third time when the rear leaves appear. The first application of manure 2000-4000 kg or urea 15 kg, the second application of compound fertilizer 20-25 kg, the third application of 10-15 kg urea, early cultivation.
2018-09-13 -
Key points of management in ginger expansion period
Key points of management in ginger expansion period
2018-09-13 -
How to fertilize kidney beans
How to fertilize kidney beans
2018-09-13 -
How to prevent diseases of Chinese yam in high temperature and rainy period
First, the growing period is generally planted from February to March, and harvesting begins from September to December. 2. Main cultivation techniques 1. Soil selection: sandy loam soil with loose and deep soil and watered by water source should be selected. 2, seedling preparation and treatment (1) the use of Chinese yam castor planting: at present,.
2018-09-13 -
Cultivation techniques of precocious Lotus Root
According to the adaptability of lotus root to water level, it can be divided into two ecological types: shallow water lotus root and deep water lotus root. Shallow lotus root is suitable for water level of 10 cm to 20 cm, and the maximum water-resistant depth is 30 cm to 50 cm. Deep-water lotus root is suitable for water level of 30-50 cm, and the maximum water-resistant depth is 1-1.2 m. The general principle of shallow lotus root water layer management is: front shallow, medium deep,.
2018-09-13 -
Matters needing attention in flowering period of kidney bean
Matters needing attention in flowering period of kidney bean
2018-09-13 -
Causes and control methods of stiff seedlings in rapeseed
Causes and control methods of stiff seedlings in rapeseed
2018-09-13 -
Analysis on the Characteristics of Two Kinds of Fertilization for Chinese Yam
Chinese yam is a kind of potato family crop, which is a favorite vegetable. It not only has high nutritional value, unique flavor, but also can be used as medicine. Due to the increase of market demand, the planting area of Chinese yam has been expanding in recent years. Farmers often ask questions about fertilization in iron stick yam cultivation through hotlines. The following is a list of current mountains...
2018-09-13 -
Scientific fertilization method of yam
Yam seedling and vine stage mainly long branches and leaves, fertilizer mainly nitrogen, bud into the growth peak, underground tubers began to expand, fertilizer needs a large amount, is the key period of fertilization, nitrogen, phosphorus and potassium combined application. 1. Base fertilizer. Select the field and apply decomposed farm manure 2000 kg-4000 kg per mu before ploughing.
2018-09-13 -
The cultivation of digging holes in Chinese yam is not high-yield.
1. Plastic casing cultivation techniques 1. The plastic casing is processed with a hard plastic pipe with an inner diameter of 6 cm and 7 cm, cut with a saw, each section is 80 cm long and slit longitudinally, with a width of about 0.5 cm. Then cut obliquely to the port at one end of the tube 20 cm away from the port, and the port is semicircular after cutting. In the plastic pipe.
2018-09-13 -
Integrated Control techniques of Diseases and insect pests in Chinese Yam
1. Agricultural prevention and control. The selection of disease-resistant varieties is an effective method to control diseases and insect pests of yam. When cultivating disease-resistant varieties, the varieties should be rotated every 2 ~ 3 years, and attention should be paid to the purification and rejuvenation of the varieties. two。 Rotation can reduce or avoid the harm of stem rot and root-knot nematode of Chinese yam. With corn (2343 mai mai 3.00 mai 0.1.
2018-09-13 -
How to prevent diseases and insect pests of Chinese yam
First, anthrax. Chinese yam is easy to produce anthracnose in high temperature and rainy season, resulting in withered stems and fallen leaves. In the early stage, there were black spots on the leaves, but in the later stage, the color of the leaves changed to black, and the disease spots were flooded, which seriously affected the plant growth and reduced the yield. Prevention and treatment: spray 50% acetaminophen 600 times every 7 days, or 7.
2018-09-13