First, large corn, small spot disease
1 large spot disease. Invade the leaves. The lesions are long-angled, light brown or blue-gray, sometimes with a slightly darker edge and a black mold layer. In severe cases, the lesions merge into large long strips and the leaves die. 2 small spot disease. The main infringement of the leaves, leaf sheaths also occasionally occur. Leaf lesions are elliptical, with a yellowish central color and a brown margin. Sometimes the lesion has no obvious edges, but there are 1-2 concentric rings. Sometimes the lesions are large, forming long spots between the veins. When the weather is wet, a black mold layer is born. When the sharpness occurs, the leaves are covered with small spots without wheel marks, and they quickly die.
Second, corn round spot disease
Mainly invade the ear or leaf. When the ear is damaged, it starts from the temporal lobe and then spreads to the ear. The grain and cob become black and brown to form the ear rot, and finally the grain is black rot. Generally, the middle part of the ear or the tip is more damaged, the diseased part is sunken, and the ear is curved. The grain and eucalyptus leaves are covered with black mildew. Leaf lesions are ovoid to round, 0.3-0.5 cm in size, with brown spots and dark brown edges. Sometimes it is combined with long strips, and the leaves are partially or completely dead, with a black mold layer.
Third, corn rust
It mainly harms the leaves and also invades the ears, leaves and male flowers. The leaf spot is initially a pale yellow chlorotic spot, which gradually becomes a round and elliptical bulge. The lesions are yellowish brown to brown, scattered or concentrated. Later, the package was broken and rust-colored powder was emitted. In the late stage of corn growth, round to elliptical or even strip-shaped black protrusions appeared on the lesions, and the black powder was broken.
Fourth, corn sheath blight
It initially occurred mainly on the sheaths and leaves near the ground and gradually developed upward. Leaf sheath lesions are oval, red or purplish red, often joined to each other to form irregular cloud-like spots. When the humidity is high, the dark sclerotia is aggregated on the surface of the host. In a dry climate, the grass in the middle of the lesion is green, the edges are gray-brown, and the sclerotia is slightly moved.
V. Maize dwarf mosaic disease
Long leaves appear at the base of the young leaves, or irregular, elliptical, and intermittently arranged chlorotic narrow stripes along the veins of the young leaves. The late stage extends to the whole leaf, with yellow-green interflowered leaves, or on one side and top of the leaf, or between the edges and the midrib. When the plants are ripe, the leaves turn into red to reddish purple, sometimes only in the mottled part. Early susceptible plants are severely dwarfed, with many tillers or short, unreal ears, sometimes with several ear or internode shortening on one node. The late damaged plants were highly normal.
Six, corn rough disease
The susceptible plants were significantly dwarfed, and the leaves were mostly dark green. The leaves were wide and short, brittle and hard, and the internodes were shortened. The parietal leaves were clustered and opposite. Summer wheat, usually in the seedling stage 5-6 leaves can be susceptible. From the external morphology, most of the diseased plants showed waxy white streaks on the leaf back, leaf sheath and temporal lobe, and later became dark brown. The root system is small and easy to pull up from the soil. When 9-10 leaves are used, the upper nodes are no longer elongated, the leaves are wide and thick, and the height of the plants is basically fixed. In the middle and late stages, most of the diseased plants cannot be sturdy.
Seven, corn smut
Tumors of different sizes are mainly produced on stems, ears, male inflorescences, leaves and grains. The surface of the tumor was originally covered with a glossy gray film that soon ruptured, emitting a large amount of dark brown powder. The ear is partially damaged, but the whole ear becomes "black tumor". When the leaves are damaged, only the nodules of rice or bean size are formed.
Eight, corn silk smut
Invasion of the ear, forming a "grey package", male inflorescences also occur. The diseased plants are generally short, with short fruit ears, large bases and pointed tips. Sometimes the temporal lobe on the side of the diseased fruit splits, leaving a dark brown powder. The stalks of individual diseased ears are long and narrowly clustered and deformed.
Nine, corn stalk soft rot
Symptoms are evident before and after corn tasseling. This symptom is often confined to a section of the ground, which develops rapidly and the diseased stem is not completely broken. The lesion was initially watery, gradually brown, soft and festering, and the stem was distorted. The diseased plant was green for several weeks, and the last root turned brown and rotted and the whole plant died.
Ten, corn total erosion
Mainly harmful to the roots. Generally, the symptoms begin to appear in the upper part of the filling period. It is characterized by yellowing from the lower leaves, yellow-green stripes throughout the leaves, and finally the whole leaves turn yellow and brown. In severe cases, the stems are soft, the roots rot, and the plants die early. Seriously ill, the roots are all rotted. After the corn is harvested, the roots of the diseased plants become black and bright, and small black spots are visible on the inner side of the root bark or on the stem base.
Automatic Massage Collapsible Foot Spa Massager
Auto Massage Foldable Foot Spa Massager is a device that provides relaxing and rejuvenating foot massage. It has a collapsible design for easy storage and transport. The massager has multiple massage rollers that target specific pressure points on your feet to deliver a deep tissue massage that helps relieve tension and improve circulation. It also has a heating function that can help soothe sore muscles and promote relaxation. The massager is easy to use and can be controlled with the push of a button. It's a great way to pamper yourself after a long day on your feet or to relieve foot pain and discomfort.
Automatic Massage Collapsible Foot Spa Massager,Folding Foot Bath Machine,Foot Spa,Massager Folding Foot Spa
Huaian Mimir Electric Appliance Co., LTD , https://www.mmfootbath.com