unicellular Learn more about unicellular
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Is yeast a fungus?
Is yeast a fungus?
2018-07-04 -
Treatment of muddy water in Loach pond in rainy season
Treatment of muddy water in Loach pond in rainy season
2018-07-09 -
Control of spot disease of Dendrobium
Symptoms: lobar disease. Primary brown spots, small spots enlarged, central necrotic, grayish brown, 5-10 mm in diameter. There are small black spots on the surface of the old disease spot. The injured leaves turn yellow and fall, but there are differences among varieties. Nobile tends to have heavier fallen leaves, and its growth and development is significantly poor. SelenophomadendrobiiAbiko, the pathogen of Dendrobium. It belongs to straight bacteria and half-known fungi. Conidia colorless, unicellular, crescent-shaped, 5-8-8-1-2 micro.
2019-01-11 -
Prevention and treatment of Primula spot
The symptoms occur on the leaves. The spot is usually 3-4 mm in diameter, brown, and in severe cases, the diseased leaves die, resulting in fallen leaves. The disease spread from the lower lobe to the upper lobe. The pathogen RamulariaprimulaeThumen is Alternaria alternata. It belongs to a subphylum of semisciferous fungi. Conidiophores protruding from stomata, several branches clustered, extremely short, unbranched, colorless, slightly curved at the end; conidia cylindrical or short rod-shaped, unicellular or bicellular, colorless, 16-24 × 3-4 microns in size. The route of transmission and the conditions of the disease
2019-01-16 -
Rabbits should be repelled of coccidiosis in summer.
Rabbit coccidiosis is a common and most serious disease in rabbits. Rabbit coccidia belong to unicellular protozoa, which are parasitic in rabbit liver, bile duct epithelial cells and intestinal epithelial cells. When coccidiosis is parasitic, the rabbit is emaciated, anemic, rough-haired and stagnant, which eventually leads to death. The disease has no obvious seasonality and can be infected all the year round, but it occurs frequently in the hot and humid season in summer and autumn, and its distribution and epidemic are very widespread. Prevent coccidiosis: 1. To keep the rabbit house clean, always disinfect the cage with 2%-3% caustic soda water.
2019-01-16 -
What kind of koi is easy to breed and what are the effects of probiotics on the water quality of koi?
What are the effects of probiotics on the water quality of koi? Koi also have very high requirements for water quality, and probiotics can help create good water quality. What are the effects of probiotics on the water quality of koi? It is mainly shown in the following three aspects: 1, the growth of some probiotics.
2019-05-21 -
New techniques for breeding Red Silkworm, Bombyx mori
The red sand silkworm may not know much about it, and it is indeed relatively rare in life, but the red sand silkworm is very rich in nutrition and rich in protein, which is the best bait for fish, shrimp, crab and so on. Let's get to know it with the editor. Red sand
2020-11-08 Red sand silkworm breeding new technology red sand maybe everyone yes -
Control of black spot disease of growing soybean
Soybean black spot is a common disease. The disease harms pods and stems, resulting in stem death, pods are not fruiting, and in serious cases, plants die. The bean grains in the diseased pods were thin and small, which affected the yield and quality, and the commodity value and oil yield of diseased beans decreased. 1)
2020-11-08 Seed soybean black spot disease prevention and control yes -
How to raise jellyfish?
How to raise jellyfish?
2018-09-08 -
Harm and control of powdery mildew of Angelica sinensis
The pathogen of powdery mildew of Angelica sinensis (ErysipheSP.) belongs to ascomycetes subphylum powdery mildew. The closed capsule accumulates and is buried in the mycelium, spherical or oblate, black or dark brown. The obturator shell contains 6 sub-cysts of 3 Mel. The ascus is subglobose, ovate, colorless, short stalked, thick membrane, and contains 6 ascospores. Ascospores are oval, colorless and transparent, unicellular. The main results are as follows: 1. the harmful symptom is harmful leaves. At the initial stage of the disease, gray-white powdery spots appeared on the leaf surface, and then enlarged and converged into large spots.
2019-01-15 -
What kind of food does silver carp eat?
What kind of food does silver carp eat?
2018-09-08 -
How do prawns reproduce
There are many friends who like to eat shrimp, and we should be no stranger to shrimp. But know the cooking methods, do not know the growth process of shrimp, such as how shrimp reproduce? Let's have a look together! How to reproduce Shrimp 1. The female-to-male ratio of parent shrimp is 1:1.
2020-11-11 Shrimp how breed like eat shrimp friends more -
Analysis and treatment of Disease symptoms of Ping an Tree
Anping tree disease analysis anthracnose, 1, the symptoms mainly harm the seedling stage and adult leaves. Leaf infection, mostly occurs on the leaf surface, leaf tip, leaf edge, brown, irregular shape, in the later stage often expand or merge into gray-brown spots, edges brown, wavy, there are many small black spots on the spot
2019-04-17 -
How do jellyfish raise jellyfish? what food do they eat?
Jellyfish are beautiful aquatic creatures in the ocean. They look like a transparent umbrella and are very beautiful. If groups of jellyfish gather together, it must be an amazingly beautiful picture. People who have seen jellyfish may have a question, because they have never seen jellyfish.
2020-11-08 Jellyfish how raise eat what food jellyfish yes the ocean -
Introduction and Control of Cowpea Rust
Cowpea (scientific name Vigna unguiculata), commonly known as carob beans, ginger beans, beans, hanging beans. Cowpea is divided into two kinds of cowpea and rice, belonging to leguminous plants. Cowpea is a leguminous annual plant. There are three kinds of stems: dwarf, semi-tendril and tendril. Southern cultivation is dominated by vines
2020-11-08 cowpea rust disease introduction and control scientific name Vigna -
Control techniques of common diseases and insect pests in rice
A bacterial disease in the leaves of rice. The pathogen is a pathogenic variety of rice yellow unicellular rice in prokaryotes. The bacteria are immersed in the wounds and pores of the roots, stems and leaves and multiply in the ducts of the vascular bundles. Seedling stage and tillering stage are the most vulnerable. Most of the seedling leaves showed the symptom of leaf withering. In the infectious product.
2018-09-12 -
Introduction and control of powdery mildew of clover
In fact, clover is quite common in our life, it has high ornamental value, and it is generally used in lawn construction in greening construction in our country. Clover has a strong life and low requirements for soil, so it is one of the more viable plants.
2020-11-08 Third leaf grass white powder disease introduction and control third its -
Control methods of anthracnose of Gardenia jasminoides
[symptoms] the disease mainly damages the leaves of Gardenia jasminoides. From the leaf tip, leaf edge began to occur, the formation of irregular or nearly round brown spots. Sometimes the whole leaf turns brown, causing the branch to wither or the whole plant to die. Most of the diseases occurred from the lower leaves of the plant. Under wet conditions
2019-03-04 -
Prevention and control of gardenia anthracnose: how to treat gardenia anthracnose? what drugs are used for gardenia anthracnose?
[symptoms] the disease mainly damages the leaves of Gardenia jasminoides. From the leaf tip, leaf edge began to occur, the formation of irregular or nearly round brown spots. Sometimes the whole leaf turns brown, causing the branch to wither or the whole plant to die. Most of the diseases occurred from the lower leaves of the plant. Under wet conditions
2019-03-04 -
Spruce snow mildew
[distribution and harm] the disease occurs in North America, Northern Europe, Japan and other countries, harming fir (Abies), spruce (Picea), willow (Cryptomeriafortunei) and other tree species. In China, it is distributed in forest areas such as western Tianshan, western Junggar and Altai Mountains. The main affected areas are Gongliu, Yining, Tacheng and other places. Seriously ill nursery, the annual loss rate is 330.62%. In artificial regeneration of young forests, the disease is also very serious, especially with seedlings, weak seedlings and bands.
2019-01-16