Summer white spot disease ravages growers how to rest easy?
Spring and summer is the most prosperous season for flowers, fruits and vegetables. If farmers want to get a good harvest, they should beware of high incidence of diseases and insect pests in this season. Powdery mildew is rampant in summer. This disease lasts for a long time, is difficult to cure, and has a high degree of infection. it will seriously affect plant photosynthesis and normal metabolism, resulting in a reduction in production, which will erode your painstaking efforts. So today we will discuss the prevention and cure of powdery mildew.
Cause and consequence of the disease
Powdery mildew is caused by powdery mildew fungi, which is a common plant disease in the garden. Rain Water increased in summer, the temperature increased, the dry and wet changes of the soil were more frequent, and suitable environmental factors led to the entry of powdery mildew.
Powdery mildew is an exogenous fungal disease, the pathogen is generally attached to plant leaves, showing as color spots, its bacteria will snatch plant water / nutrients, affect the normal growth of plants, and in serious cases, it will make plants stop growing completely.
Vulnerable plant
Strawberry, eggplant, tomato, zucchini, chili, pumpkin, balsam pear, cucumber and other fruits and vegetables.
Rose, rose, rose and other woody flowers seedlings; chrysanthemum, impatiens, melon leaf chrysanthemum, Fu Lukao and other herbaceous flowers.
Prevention and treatment
one
The seedlings and seeds of general plants are very fragile, so it is necessary to do a good job of sterilizing and disinfecting the planting soil before sowing. When planting, the plant density should not be too dense, keep the planting environment ventilated, and prune the old leaves to ensure light during plant growth.
02
The use of farmland-specific and efficient microbial agents to improve soil fertility, improve plant stress resistance, while reducing fertilizer pollution, degradation of harmful substances, and improve plant disease resistance.
03
If infected plants are found, remove and incinerate them in time to avoid further spread of infection (pay attention to fire prevention)
04
Summer temperature is muggy, physical cooling can be done and proper watering can be done.
05
Humid environment is one of the causes of powdery mildew, after continuous rainy days, we should pay attention to drainage and ventilation, check the plant condition.
Summary of the main points: ventilation! Rizhao! Drain! -- moistureproof
- Prev
In a pot raised at home, it absorbs formaldehyde and is resistant to radiation. In the blink of an eye, a branch is inserted into the soil and grows to more than three meters.
Keel is a plant of Euphorbiaceae, and the tree shape is very spectacular, it can easily grow to several meters high, but also can absorb formaldehyde in the air, anti-radiation and so on, but the juice of keel is toxic, when we maintain, it must be small.
- Next
Will it really destroy the soil / affect the crops?
Land is the source of our survival, it not only carries the survival of all plants, but also related to the fundamental development of agriculture and human beings. since the development of agriculture, the emergence of fertilizer has increased the yield of crops and increased the growth rate of plants.
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