Diagnosis of trace elements in vegetable crops
1. Boron deficiency, boron deficiency, first look young and tender, flowers are not easy to be common.
The tip of the plant is prone to whitening, and the growth of the top bud is easy to wither.
It grows easily under the growth point, and the plants are branched into clumps.
The new leaves are rough and pale green, and the leaves shrink and become brittle.
The stems are short and often cracked, and the water spots are ring-shaped.
2. Iron deficiency and iron deficiency first look at the top of the heart, the veins of the veins should be separated.
The new leaves are green, yellow and white, and the color of the veins is still green.
Different plants have differences, and the double monocots are separated.
Reticulated mosaics of cotyledons, striped mosaics and monocotyledons.
3. Short clusters of zinc-deficient internodes are short, and leaf lengths are rented out of leaflets.
The new leaves are grayish green or yellowish white, and the veins and midribs are closely observed.
The middle vein is first green, and the necrosis is brown.
4. There are two types of symptoms of molybdenum deficiency and molybdenum deficiency, which can be clearly distinguished.
One type of pulse color becomes lighter, and the leaves are yellowish and spotted.
The edge is burnt inward and the tissue loss is wilting.
First look at the symptoms of the old leaves, and then identify the new leaves are still normal.
The cruciferous is different, and the leaves are twisted in a spiral shape.
5. The young leaves of manganese deficiency turn yellow and white, and the veins and veins are still green.
Clear veins are symptoms, and the main vein is yellowish first.
Severe leaf brown spots, gradually increase the cloth surface.
Huaxian County Agricultural Products Inspection and Testing Center
1. Boron deficiency, boron deficiency, first look young and tender, flowers are not easy to be common.
The tip of the plant is prone to whitening, and the growth of the top bud is easy to wither.
It grows easily under the growth point, and the plants are branched into clumps.
The new leaves are rough and pale green, and the leaves shrink and become brittle.
The stems are short and often cracked, and the water spots are ring-shaped.
2. Iron deficiency and iron deficiency first look at the top of the heart, the veins of the veins should be separated.
The new leaves are green, yellow and white, and the color of the veins is still green.
Different plants have differences, and the double monocots are separated.
Reticulated mosaics of cotyledons, striped mosaics and monocotyledons.
3. Short clusters of zinc-deficient internodes are short, and leaf lengths are rented out of leaflets.
The new leaves are grayish green or yellowish white, and the veins and midribs are closely observed.
The middle vein is first green, and the necrosis is brown.
4. There are two types of symptoms of molybdenum deficiency and molybdenum deficiency, which can be clearly distinguished.
One type of pulse color becomes lighter, and the leaves are yellowish and spotted.
The edge is burnt inward and the tissue loss is wilting.
First look at the symptoms of the old leaves, and then identify the new leaves are still normal.
The cruciferous is different, and the leaves are twisted in a spiral shape.
5. The young leaves of manganese deficiency turn yellow and white, and the veins and veins are still green.
Clear veins are symptoms, and the main vein is yellowish first.
Severe leaf brown spots, gradually increase the cloth surface.
Huaxian County Agricultural Products Inspection and Testing Center
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