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How to Propagate Hibiscus? A Full Analysis of Common Methods and Techniques
How to Propagate Hibiscus
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How to Propagate Cherries? Detailed Introduction to Common Methods
How Should Cherries Be Propagated
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What are the main varieties of arrowhead? Introduction to common varieties
(1) Shagu is a local variety of Guangdong. The plant height is 70-80 cm, and the spread is 60-70 cm. The corm is oval, 5 cm high, and 4 cm in transverse diameter; both skin and flesh are yellowish white. Each one weighs 40-60 g. It contains a lot of starch, has only slight bitterness, and tastes good. It does not store or transport well. From planting to first harvest is 110-120 days. In February, corms are used for raising seedlings; in July-August they are planted; from December to February of the following year they are harvested. The yield per mu is 1000 kg. (2) Bairou Cigu has a plant height of 70-75 cm and a spread of 80 cm.
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How to prevent and treat deformed mushrooms? First, identify the common types
Deformed mushrooms take many forms. The main ones commonly seen in production are: landmine mushrooms, hollow mushrooms, big-bottom mushrooms, hard cap opening and early cap opening, red roots, and water rust spots. Landmine mushrooms. The main cause is that the casing soil material is too coarse, the soil is rather hard, the casing layer is thick, the surface of the casing layer contains relatively little water, while the temperature and humidity conditions of the lower part and the substrate are suitable for fruiting body formation and growth, so fruiting bodies are easily differentiated and formed on the surface of the substrate or in the middle and lower layers of the casing soil, and then push out through the soil surface. Solution: choose high-quality humus soil, preferably peat soil, and mix in a certain amount of rotted cow manure or wheat bran, etc. in proportion; when collecting and sun-drying the soil, it should be sieved so that most soil particles remain comparable in size to @#@245@#@ particles, with the largest about 1/2 the size of a corn kernel, accompanied by some soil particles; casing is generally about 3 cm, and if conditions permit, first apply a layer of coarse soil 1-1.5 cm thick, then fine soil, and pay attention to maintaining uniform moisture content.
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What are the common pests and diseases of Euonymus japonicus?
1. The box tree pyralid (Glyphodes perspectalis) larva spins silk to connect surrounding leaves and tender twigs into a temporary nest, then feeds inside it; in severe cases it eats all the leaves, causing the seedling to die. Morphological features: the adult has grayish-white body and wings; the front wing's costal margin, outer margin and inner margin have purplish-brown broad bands; on the purplish-brown band of the costal margin there are two white spots; the scales are glossy with a purplish-red sheen. The larva has a black head, a yellow-green body, dorsal line, subdorsal line and spiracular upper line from dark green to ink green, and the spiracular line is orange-yellow. Occurrence pattern: in northern regions there are 2 to 3 generations a year, with larvae
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Spider Plant Introduction: A Comprehensive Look at This Common Ornamental Plant
[Aliases] Ribbon plant, broad-leaf spider plant, bracket plant. Main biological characteristics: a perennial evergreen herb. Roots fleshy and cylindrical, similar to orchid roots. Leaves basal, narrowly elongated and broadly linear, with tapered tips. Stolons often emerge from the leaf cluster. Small plantlets with roots commonly grow from the nodes at the tips of the stolons. Flower stems slender and long, rising above the leaves. Flowers small, white. Common cultivated varieties, besides those with entire leaf margins, include the golden-edged spider plant, whose leaf margins are golden yellow, and the silver-edged spider plant. Spider plants prefer warm, humid
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What are the common diseases of peppers in early spring? This article summarizes them for you
Recently, continuous cloudy, snowy and cooling weather has seriously affected the normal growth of chili peppers and sweet peppers. According to what the author learned on March 5 in pepper growing areas such as Jitai Town, Sunjiaji Subdistrict Office and Gucheng Yangjia Village in Shouguang City, chili peppers and sweet peppers currently in the fruiting stage are commonly infected due to the unfavorable weather, mainly with gray mold and sclerotinia disease --- brown water-soaked lesions appear at the top or stem end of young fruits, then become sunken and rot, and a gray mold layer appears on the surface of the lesions; sclerotinia disease spreads from the fruit stalk to the whole fruit, showing water-soaked rot, light grayish brown,
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What are the commonly used drugs for fish? A detailed introduction
At present, there are many kinds of drugs commonly used in fish farming on the market. Because fish drug production is not yet standardized, some products from various manufacturers do not indicate their active ingredients, and the trade names of some similar finished drugs are not consistent with their corresponding chemical names. This is not conducive to our understanding of the active ingredients of drugs and also creates certain difficulties for scientific and rational medication. In order to popularize fish disease prevention and treatment technology, we will successively introduce knowledge about drugs commonly used in fish farming. This is expected to improve our understanding and awareness of commonly used drugs so that drugs can be used scientifically and rationally in production.
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Introduction to Common Fish Medications, Part 3
II. Nitrofurans Nitrofurans are a class of synthetic broad-spectrum antibacterial drugs with many varieties, but only 3 to 4 are used for aquatic disease prevention and treatment. The basic structure of nitrofuran drugs is a furan ring with a nitro group attached at the fifth carbon atom. They have strong antibacterial effects; at low concentrations, they can inhibit the reproduction of many Gram-positive and Gram-negative bacteria; at high concentrations, they have bactericidal effects. Generally, bacteria do not easily develop resistance to nitrofuran drugs. Even bacteria resistant to sulfonamides and antibiotics remain relatively sensitive to nitrofuran drugs. However, nitrofuran drugs are poorly absorbed in the body and are easily and rapidly destroyed after absorption, often failing to reach effective blood antibacterial concentrations in the blood. Only in the intestinal tract can they maintain effective action, so they have a good effect in preventing and treating bacterial intestinal infections in fish. In addition, according to recent reports, nitrofuran drugs have carcinogenic effects, so their use has been restricted. At the same time, long-term use of these drugs can cause liver and kidney damage in fish.
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