Vegetable Lists
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Low temperature sprouting technology of lettuce
The temperature range of lettuce and celery seed germination was 5-25 ℃, and the germination above 30 ℃ was blocked. The temperature of lettuce and celery is higher when sowing in summer and autumn, so the seeds can emerge early and evenly by low temperature treatment. In low temperature treatment, the seeds should be wrapped in gauze and soaked in well water at a water temperature lower than 25 ℃. Lettuce.
2018-09-15 -
Methods of sowing and raising seedlings of lettuce
Lettuce can be direct seeded, can also raise seedlings and transplant, spring and summer mainly to direct seeding, autumn and winter can also be direct seeding. 1. Soaking seeds to promote germination: when the temperature is high in summer and early autumn, seed germination is restrained. Soak the seeds in warm water for 3 hours, then wrap them with towels or gauze and place them in a well (20-30 cm above the water surface).
2018-09-15 -
Cultivation and utilization of lettuce
Mountain lettuce also famous lettuce, bitter lettuce, duck food, Compositae herbs, born in the roadside, wilderness, hillside. Its seedlings, tender stems and leaves are suitable for eating. It is a kind of wild vegetable with development value. 1 Botanical and biological characteristics of 2-year-old herbs, white milk, 80~150cm high. Stems erect,...
2018-09-15 -
Aphids prevention is the key to control lettuce virus disease
Virus disease is the main disease of lettuce and lettuce, which occurs widely. At present, there is no ideal chemical control at home and abroad. Prevention should be given priority to, and agricultural measures should be taken to prevent and control aphids in time. Virus disease is caused by virus infection, mainly through aphid transmission in the field, agricultural operation juice contact infection. Sick plants...
2018-09-15 -
Efficient multiple cropping of winter lettuce and early spring pepper in greenhouse
First, select improved varieties: early spring lettuce cultivated in greenhouse should choose early-maturing varieties with strong cold tolerance, such as Hefei duck egg lettuce and Beijing crucian carp lettuce. Second, cultivate strong seedlings: sowing and raising seedlings in the greenhouse in mid-late January. Soak the seeds in 20 ℃ water for 4 hours before sowing. After scrubbing, remove the controlled dry water and load it.
2018-09-15 -
Small whole potatoes are good for sowing potatoes.
Planting autumn potato is an effective measure to resist drought and make up damage at present. Autumn potatoes are usually sown from mid-August to early September. As the seed potato produced in most of the seed potato producing areas in China is too large, the cutting method of potato sowing is commonly used in order to reduce the cost and save the amount of seeds. But in recent years, 20-50 grams of small.
2018-09-15 -
Prevention of potato diseases and insect pests
Northern vegetable newspaper expert Zhu Zhenhua recently received a lot of Anqiu, Shanghe, Yinan and other places vegetable farmers consultation telephone, the frequency is related to potato disease problems, according to the telephone reflection situation, potato recent diseases, the most of which are potato scab and powdery scab. The teacher said that every...
2018-09-15 -
How to control the overgrowth of potatoes in greenhouse
Spraying 60-120 mg / L zhuangsu on the leaves of potato from bud stage to flowering stage (the concentration at bud stage is the lowest) can inhibit the growth of aboveground part of plant, increase yield and increase the proportion of large and medium potato. From budding stage to early flowering stage, dwarf-sturdy 2000-2500 mg / L was used.
2018-09-15 -
Anti-freezing of Spring Potato after emergence
At present, the temperature is low and there is much frost, and the spring potato seedlings that have emerged in the plastic film are vulnerable to frost damage, so it is suggested that it is better not to break the film to release seedlings for the time being, and then break the film to release seedlings in time when the temperature rises slightly after the Spring Festival. If there is low temperature and frost after seedling release, straw can be covered on the border to prevent the seedlings from freezing. Here.
2018-09-15 -
Opinions on the Management of Spring Potato after the "late Spring Cold" disaster
First, the variety selects the leaf lettuce to take the leaf as the main edible part, because it is mainly raw food, it is also called lettuce. The leaf is deeply split, the leaf surface is shrunken, the adaptability is strong, easy to cultivate. Excellent varieties are Guangzhou Dongshan lettuce (soft-tailed lettuce), glass lettuce, lettuce king, American fast-growing and so on. Second, seedling leaves.
2018-09-15 -
Matters needing attention for planting lettuce in small arch shed
Lettuce management is easy to worry, less investment, less than 1000 yuan per mu of land, a good management of lettuce can grow to 2-3 jin, a mu of land income can have tens of thousands of yuan. First, it is necessary to grasp the planting time. Lettuce is usually raised around the Autumn Equinox in the first year and planted by the Beginning of Winter. The stem of lettuce grows continuously as the plant grows.
2018-09-15 -
Seedling raising technique of lettuce in summer
Because of the low emergence rate of seed treatment in summer, low temperature treatment should be carried out. The method is to soak the seeds for 12 hours, then wrap them with gauze and put them in the refrigerator (2 ℃-5 ℃) for 2 days, then spread them in a cool place, and then sow the seeds after cracking and germinating. Sowing and sowing should prevent sparse and uneven, and the bottom water should be poured once before sowing.
2018-09-15 -
Potato field tube method
Potato wet sand stratification method: potato germination is generally carried out about 30 to 40 days before sowing. Sprouting can be carried out in sunny beds, cold greenhouses, indoor, greenhouses and greenhouses. Yang bed to promote germination should be in the shelter from the wind to the sun, east-west to build a bed, generally a seedling bed depth of 0.4 to 0.5 meters, width of 1.3 meters, north to build a 0.5 meter high wind shield.
2018-09-15 -
Causes of long stolon and few tubers in Potato
Recently, many potato growers have called to reflect the phenomenon of longer stolons and fewer potatoes per plant in potato production this year than in previous years. This should start from the morphological structure and growth characteristics of potato plants and the weather conditions of our province during the potato growing period this year. Potatoes.
2018-09-15 -
Spraying paclobutrazol on potato is beneficial to crop growth regulation.
Potato tuber malformation is mainly due to high temperature, drought and other adverse conditions, so that the expansion of tuber growth is inhibited and temporarily stopped. Later, due to rainfall or irrigation, the growth conditions were restored, and the tuber also resumed growth. At this time, the organic nutrition of the tuber entered the bud with strong physiological activity.
2018-09-15 -
Potato watering is fastidious
Potato in the growth process, which stage should be less watering, which stage should be more watering, which stage should not be watered, is very fastidious, let's talk about this issue. Potatoes from seedling arch soil to flowering, generally not watered, squatting seedlings, especially when the drought is watered. Cultivation experts in loam with good water retention.
2018-09-15 -
Identification and Control of Potato Beetle
Potato beetle, also known as potato leaf beetle, is a kind of quarantine pest in China. This insect originally lived on wild Solanaceae plants in the eastern foothills of the Rocky Mountains in the western United States. Because artificially bred potatoes can provide good nutrition for this beetle, coupled with the development of potato cultivation and transportation all over the world.
2018-09-15 -
Causes and Control measures of malformed Potato
Malformed potato is an important problem that some growers ignore while blindly increasing yield, that is, abnormal potato often appears in the process of tuber growth, especially in spring cultivation in the second season, because of high temperature and drought, the rate of deformed potato is high, which seriously affects the commerciality of potato and greatly reduces the horse bell.
2018-09-15 -
Difference between Frost injury and Disease of Potato
Freezing injury: from the plant growth appearance, after the plant is frozen, the leaves and heart leaves have no disease spots, and the leaves are dark green. When the sun shines, the leaves appear to be wilted and seem to be cooked leaves. After 1-2 days, the leaf margin curled inward until withered, but the new leaves growing from the heart leaves had no symptoms of wilting. Disease: the plant is affected by.
2018-09-15 -
Why do a large number of rotten fruits of chili peppers
Recently, a large number of rotten fruits appeared in chili peppers stored by vegetable farmers with "live plant preservation" method, and the main reasons were summarized after in-depth understanding. The temperature in the shed is too high and the temperature in the small arch shed is higher than that in the small arch shed. As the pepper was covered with a film after being pulled out, the temperature under the film exceeded 25 ℃ at noon on a sunny day.
2018-09-15