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The common diseases of reticulated grass are mainly leaf rot and root rot. Leaf rot and root rot occur mainly due to poor ventilation and poor drainage. Poor ventilation and poor drainage can lead to excessive humidity in the growing environment of reticulated grass, or if there is water in the pot, which will lead to rhizome rot.
When root rot and leaf rot occur in reticulated grass, drugs need to be used**. Leaf rot can be sprayed with 1000 times of 25% carbendazim wettable powder. For root rot, the roots can be soaked in 1000 times of streptomycin, which can play a role in sterilization.
Reticulated grass is also sometimes affected by leaf blight and anthracnose, which causes the leaves of reticulated grass to become diseased and damage the whole leaf or even the whole plant. It can be sprayed with a solution of 50% carbendazim WP 1000.
Pest pests and their control.
The more common pests of reticulated grass are cabbage worms, red spiders, aphids, scale insects, snails and rat women.
Generally, when there are pests in reticulated grass, if the damage is light, you can first take the method of manual capture to kill the pests that appear. If there are many pests and the manual capture method is difficult to operate, you can also use safe hunting methods, such as using some non-chemical methods, using pepper water, garlic water and other insect repellents. In addition to this, chemical methods can also be used to repel insects, that is, spraying pesticides.
It can be sprayed with 1000 times the solution of 40% dimethoate EC, or special insecticides can be used to kill insects.
In addition to these pests and diseases, in the daily maintenance of reticulated grass, it is necessary to pay attention to avoid too strong direct sunlight, which will cause leaf burns, small holes, and affect ornamentation.
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Seawater net mosquitoes are normally pests, it is harmful to us, but in the sea it is generally not a threat to us, but it is indeed a pest, not a beneficial insect.
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Marine reticulostasis is harmful.
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No, you will only eat it in your stomach...
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Adults and nymphs mainly damage young leaves, and the peak period of occurrence is April early July and September mid-December every year. The shoots of lychee were basically consistent with the peak stage of adults, and the new shoots were more seriously damaged. Orchards with a large number of shoots per year and untidy hair tips or winter shoots are also seriously harmed.
Orchards with flat land, high humidity or near water sources are also more severe. Rainy days in spring and early summer and drought in autumn are conducive to the occurrence of this insect.
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This is the harvest shrimp, also known as the harvest insect fairy shrimp, which is widely distributed in salt pans or salt lakes on land, and has high nutritional value. The athletic posture is beautiful and the colors are pastel.
The winter eggs of the harvest shrimp are a very special dormant eggs, which can be dried and canned, sold on the shelves in the form of commodities, and can be easily hatched out, as a high-quality live bait, the harvest shrimp is widely used in aquaculture.
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Some shellfish can be used as vectors for the transmission of human parasitic diseases, causing parasitic diseases and ** diseases in humans and animals. Among the parasites, flukes and nematodes, the larvae must spend a certain stage in their life history in the shellfish body to complete its ontogeny, and the shellfish act as their first or second intermediate host. The snails that endanger human health are mainly those living in freshwater; The main hazards are snails living on land; Birds and fish are mainly harmed by bivalves and a few marine snails living in freshwater and seawater.
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It depends on what parasites ... Some crabs also parasitize shellfish.
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This one is definitely flatworms, they are beneficial, there are benefits,
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This is a flat hook, and it is also a grasshopper, you have never seen a grasshopper.
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The principle of ozone as a sterilant is to use its strong oxidation to instantaneously inactivate bacteria, so almost all bacteria can be killed by it.
Parasites and insect infestations in seawater can be killed with it, but care should be taken not to cause harm to beneficial organisms.
Seawater is weakly alkaline, with a pH between one.
Introduction: The water we drink in daily life is fresh water, and the salt content of fresh water is less. However, most of the water in the earth is seawater, and seawater is salty, and it takes a lot of steps to remove the salt from seawater, so it is more difficult. >>>More
It's a pest. It is a complete parasitic pest. Other pests are harmful, but many of them can be used medicinally and are not parasitic. >>>More
There are two types of ticks: hard ticks and soft ticks.
There is an encyclopedia introduction in it, and there are a lot of **, which is very clear at once. ) >>>More
Seawater contains a large number of salts and a variety of elements, many of which are needed by the human body. However, the concentration of various substances in seawater is too high, far exceeding the drinking water health standard, if a large amount of drinking, it will lead to excessive entry of certain elements into the human body, affecting the normal physiological function of the human body, and serious poisoning. >>>More