What are the diseases and pests of corn at the seedling stage? High-definition large picture, one look at it to understand!

Some corn has been sown, some places are preparing to sow, corn in the seedling stage may encounter a lot of trouble, there are diseases and insect pests, there are some natural disasters, etc., different places, different planting time Specific species will be different, the following list of the most common diseases and insect pests in China.

Too deep, too shallow, uneven, etc

Figure 1, sowing too deep soil compaction, seedling top soil difficulties

Fig. 2, there is no normal germination of seedlings

Figure 3, uneven soil leads to different seedling sizes

Figure 4, Seed fertilizer simultaneous sowing, seeds and fertilizer are too close to each other

Figure 5, Herbicide infestation after seedlings

Figure 6, or herbicide drug damage

Figure 7, The Consequences of Flooding

Figure 8, seedlings under flooding

Figure 9, Low temperatures after continuous rain cause seedling leaves to turn purple

Figure 10: Continued drought causes seedling leaf curls

Figure 10, seedlings after hail

08

Figure 10, Golden Needle Worm

Figure 11, Grubs

01

Improper sowing depth:

02

Fertilizer seeds are burned

03

Herbicides are harmful

04

Drought or root

05

Temperatures plummeted

06

drought

07

hail

Golden needle worm

09

grubs

10

cutworm

Figure 12, Ground Tiger

11

Two o'clock nocturnal moths

Figure 13, Two-point nocturnal moth

12

Thrips

Figure 14, Thrips on the heart leaf of corn

Figure 15, enlarged thrips

13

Cultivated sunflower mealybug

Figure 16, the leaves on the ground are yellow, and it turns out that there are bugs growing on the roots

14

Heterodylopod leaf beetle

Fig. 17, Heterodatalium leaf beetle is harmful

Figure 18, Adult isosqualis leaf beetle

15

Long-spotted heterosqualis leaf beetle

Figure 19, Long-spotted isosqualis leaf beetle

16

Striped red-bearded blind bugs

Figure 20, A red-bearded blind bug

17

Three-spotted leafhopper

Figure 21, Three-spotted leafhopper

18

Crooked black bugs

Figure 22, Crooked Black Bug

19

Iron beetles

Figure 23, Iron Beetle

20

Rot root rot

Figure 24, Root rot

21

Coarse shrinkage

Figure 25, Coarse shrinkage

Figure 26, the bright veins on both sides of the dorsal midrib are recognizable symptoms of coarse contraction disease

22

Dwarf mosaic disease

Figure 27, Dwarf mosaic disease

Figure 28, Dwarf mosaic disease