Why do the peppers grow poorly? Friends who grow peppers often encounter the situation that their peppers are not growing well. Today, I will introduce some techniques for planting peppers, and hope to help you.
The growth potential of pepper is generally caused by physiological factors and disease factors, and water and nutrients are common physiological factors. Pepper has strict requirements on moisture, and it is neither drought tolerant nor resistant to phlegm. The seedlings need less water, and if the soil moisture is too much, the roots are poorly developed and the plants are long and slender. At the initial flowering stage, the plant grows in a large amount, and the water requirement increases accordingly, especially in the fruit expansion period, and sufficient water is required. If the water supply is insufficient, there will be problems such as a long potential difference.
In addition, peppers have higher requirements for nitrogen, phosphorus and potassium, and also absorb various trace elements such as calcium, magnesium, iron, boron, molybdenum, manganese and zinc. For example, when there is a lack of nitrogen in the soil, the growth of the pepper is poor, the plant is short and the leaves are small, the branches are small, and the fruit is small. However, the requirement for nitrogen in the early flowering period is not high, and the excessive nitrogen will cause the growth and decline. Therefore, farmers should grasp the application amount of medium and trace elements to avoid causing the growth of peppers.
As for the disease factors, there are many pests and diseases that cause poor growth of peppers, but farmers are reminded to focus on the control of pepper root nematodes. The root-knot nematode is only harmful to the roots. After the damage, the roots grow large and small root knots, and the lateral nutrient roots proliferate, forming many nodules with different sizes and shapes. Under normal circumstances, the root knot is milky white at the beginning, which is harder, and then becomes dark brown and rot. In addition, root nematodes bite the root tissue with a needle when invading the roots, forming a dense wound, causing other bacteria to invade.
As the root of the pepper is damaged, the absorption and transport capacity of nutrients and water is deteriorated, so that the growth of the aboveground plants is hindered and the growth is poor. And as the damage continues to increase, the diseased plant is short, the leaves are chlorotic, the yellowing is wilting, the yield is significantly reduced, the fruit quality is deteriorated, and even when the whole plant is withered, it will die.
In recent years, China's vegetable planting has become a large-scale and intensive development of the base. The continuous cropping is very common, providing favorable conditions for the survival and reproduction of root-worm. Therefore, under the proper temperature and humidity environment, root-knot nematodes can rapidly multiply and develop for several generations a year. The number of nematodes in the soil is increasing, and the generations are piled up to harm peppers.
Therefore, the farmers are not able to ignore the control of root-worms. To prevent and cure pepper root nematodes, farmers should comprehensively adopt various prevention and control measures, disease-free seedlings, disease-free soil cultivation, rotation for pest control, water flooding, and shed insecticides. There is also a need to combine agents to control the number of nematodes in the soil.
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