No strength, no skill, really take care of the more plants, the more you like the balcony plants.
Whether it is to stop 1 to 2 pots of potted plants means, or raise more do not worry, it depends on whether you can diagnose the growth state and pest status of the plant from the appearance of the plant.
This is also the experience that we must have when planting on the balcony.
Since most Taiwanese friends who like to grow vegetables like to grow tomatoes, this article will start from the face of the tomato and talk about how to find the growth status and cause of the tomato from the abnormal leaf phase of the tomato.
Tomatoes are one of the vegetables that are cultivated on the balcony.
Through the long-term observation and summary of the director, according to the appearance of the tomato plant, judge the health status of the tomato, and adjust the cultivation measures in the management, which can avoid the loss of time and psychological scars caused by the Taiwan friends.
One: Twisted leaves
Plant status
When the potted tomato fruit grows to the size of a walnut, the leaves near the ear are severely twisted and deformed, showing a fern leaf, and as the plant grows gradually, the fern-shaped leaves gradually expand, and the growth is basically normal later.
A dozen days later, this phenomenon recurred in the upper blades, and over time, it recurred.
Causes of formation
It's not a viral disease, it's that you add a hormonal selective herbicide.
When the concentration of hormonal selective herbicides is too high, the leaves will be twisted and deformed; in addition, the production of twisted leaves is also related to the high temperature in the greenhouse.
Prevention and control methods
Concentrations of hormonal selective herbicides are managed at moderate temperature.
2: Physiological curls
Before harvesting or harvesting, the first fruit branch leaves are slightly rolled, or the leaves of the whole plant become cylindrical and brittle, causing the fruit to be directly exposed to sunlight, affecting expansion, or causing sunburn, sometimes suddenly occurring.
It is a physiological leaf curl that is mainly related to soil, irrigation and management.
Soil moisture is suitable;
Fertilizer at the right time;
Greenhouses to avoid sudden exillusion;
this can be mitigated or avoided.
III: Bleached leaves
The leaves are damaged, at first the chlorophyll fades or the leaf margins are bleached, and later turn yellow.
The light leaf margins are burn-like, and the heavy ones affect half of the leaf or the entire leaf, eventually leading to permanent wilting or drying.
Mainly caused by high temperature obstacles.
Ventilation, cooling, and shading can be mitigated or avoided.
Wanton: The cotyledon is lifted
The cotyledons are lifted upwards, the back of the leaves is rolled upwards, the frozen parts of the leaf margins are gradually dried up or individual leaves wilt and dry; the low temperature lasts for a long time, the leaves are dark green and dull, or the growth point of the top buds is frozen, and the severe stem and leaves dry and die.
Mainly caused by low temperature disorders.
Low temperature exercise on seedlings, strengthen heating and heat preservation in case of cold currents, help seedlings return to normal.
NG: Old leaf yellow roll
When the first spike of tomato fruit enters the stage of green ripening or full ripening, the leaves below the first spike fruit are gradually curled and yellow, the leaves are brittle, and it is easy to break the leaves by hand, and it feels that the leaves have no softness.
Later, when the upper fruit ripens, the same is true of the lower leaves of the fruit.
Because before the fruit ripens, a large amount of nutrients are transported from the leaves to the fruit, making the leaves brittle. This is a normal physiological response and is also related to the lifespan of the leaves.
Therefore, when the fruit enters the white ripening stage, the lower leaves should be knocked off to reduce its nutrient consumption.
Lu: Virus disease leaf
When tomatoes are infected with viral diseases, they initially have different manifestations on the leaves, mainly flower-leaf type, fern-leaf type and stripe type, and sometimes mixed.
1. Flower and leaf type
The leaves are yellow-green, or mottled in depth, transparent veins, and slightly wrinkled leaves.
2. Fern leaf type
From the upper leaf blades begin to become fully or partially linear, and the middle and lower blades are microvolved upwards.
3. Strip spot type
The shape of the spots varies depending on the site of occurrence, with tea-brown spots or moirés on the leaves.
Sometimes there is only one type, and sometimes there are 2-3 species at the same time, and the greenhouse tomato is mostly in the fern leaf type.
Grasp the essence of the article, observe the leaf phase of the potted tomatoes on the balcony, and slowly ponder to verify that what the director said is very practical.
Every time you recommend the flowers and plants suitable for planting on the balcony of Taiwan friends, or share planting tips to Taiwan friends, the director will be responsible for you to the end.
If you encounter any problems in the process of planting tomatoes, the old way, come to the director, wow hahahaha...
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