Tomato morphology diagnosis and management
Changes in the form of tomatoes are often used in production to determine what management measures to take. After sowing to the first true leaf stage, if the temperature difference between day and night is reasonably regulated, it can be bred into standard seedlings, the cotyledon is hypertrophied and thick, and the hypocotyls are about 3 cm. If the seedling leaves are slender, the length of the embryonic axis exceeds 4 cm because the night temperature is higher and the growth is too long. On the contrary, if the hypocotyl is too short and the cotyledon is narrow, the temperature of the seedbed is low and the soil drying inhibits the growth of the seedlings.
Seedling thick leaves, veins protruding, the tip of the leaf is shiny normal seedlings. If the leaf petiole is long, the stem is thick and thin, and the growth point is yellowish green, because the night temperature is high, the seedlings grow too fast; when the ground temperature is low, when the soil is dry, the fine stems of the plants are thin, and the female flowers are more, affecting the development of the flowers. Such as thin leaves, leaf veins, leaf surface flat, blade tip, mostly because of poor seedbed soil, soil moisture, air humidity, lack of sunshine.
In the early flowering stage, the normal plants are palm-shaped, leafy, petiole short, and large. The flowers are bright and the petals are bright yellow. The plants are tightly packed in rectangles with normal internodes and maintain 5-6 cm. If the petiole is thick, the leaves are small, the leaves are light, and the plants are triangular. The stem grows thicker from the base upwards and the internodes elongate. This is because excessive top dressing and excessive watering cause the seedlings to grow long, or due to the high night temperature and insufficient sunshine. Form weak seedlings. When the leafy green leaves are palm-shaped and the plants are square, when the seedlings grow slowly, it is because the leaf temperature is low, the soil is dry, and the internal salt concentration of the plants is high, resulting in inconsistent flowering and abnormal fruit growth. The normal performance of the plants at the end of the period was that the position of the flowering inflorescence was about 20 cm from the top. The flowering inflorescence had buds and developing inflorescences above it. The growing point as a vertex formed two equilateral triangles. The flowers were large and fresh, and the flower stalks were thick and protruding. The leaves are large, the veins are prominent and the tip of the leaf is pointed. If the flowering node is located near the top, the top of the plant is horizontal, the stem is thin, and the weak fruit is more, the elongation of the plant's tip is inhibited, mostly due to low night temperature, insufficient fertilizer, low water content, and too much result. On the contrary, the stems and stems are too thin, the internodes are long, and the flowering inflorescences have very low nodes, resulting in poor results and malformed fruit. This is due to insufficient sunshine. When the top of the fruit is extremely curved, the leaves are drooping, the petiole is too long, and when the leaves are in a low shape, it is a symptom of plant rot.
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