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How to identify tomato late blight? These symptoms must be remembered
Late blight: All growth stages and leaves, stems, and fruits can be affected, with leaves and green fruits suffering the most severe damage. In seedlings, the disease generally starts with dark green water-soaked lesions on the leaves, then spreads to the stem, with dark brown rot near the petiole; as the disease progresses, the base of the young stem becomes water-soaked and constricted, and the plant wilts and collapses. In the adult plant stage, the disease starts from...
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Identification Methods for Late Blight and Gray Mold in Greenhouse Tomatoes
Late blight and gray mold are important diseases that severely affect the yield and output value of spring-season greenhouse tomatoes in northern China. Early detection and accurate identification are the prerequisites for effective prevention and control. Their field symptoms often vary with cultivar and environmental conditions, and are easily confused with each other or with other diseases, causing confusion for growers. The following is an introduction to the...
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To make succulents plump, controlling water alone is not enough; you also need to ensure sufficient light.
If you want to make succulents plump, controlling water alone won't do it; you also need to ensure enough light. Some succulents will still grow leggy without light even if you control water very well. That's because more light means more photosynthesis, which allows the synthesis of what succulents need to grow...
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Control Methods and Technical Key Points for Early Blight in Cherry Tomatoes
Early blight is a major disease of cherry tomatoes, widely distributed and commonly occurring, mainly in open fields in autumn, and also occurring occasionally in protected cultivation. Generally 30%-50% of plants are diseased, and in severe cases 100% become diseased, with some branches and leaves necrotizing due to the disease, significantly affecting cherry tomato production. This disease mainly damages leaves, and in severe cases also infects...
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Why Spring Corn Fertilization Should Be Light Early and Heavy Late
The corn borer, also known as the corn stalk borer. Spring corn is currently at the late whorl stage (funnel stage), and this period is the best time to control the corn borer. At the funnel stage, most newly hatched corn borer larvae crawl into the leaf whorl tube and feed on the mesophyll of the not yet unfolded leaves, and spraying at this stage makes it easy for the spray liquid to enter the leaf whorl tube, improving control effect...
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Pomelo Delights: Big fruit, thin peel, tender and juicy flesh - the easiest choice for holiday gifting
The elders at home often say that eating seasonal food is the most nutritious and also more delicious. Pomelo is the quintessential food for the Mid-Autumn Festival. Eating pomelo during Mid-Autumn to pray for the moon goddess's blessing and seek "good fortune." At the same time, after eating sweet mooncakes, having some sweet-and-sour pomelo not only stimulates the appetite but also cuts through the richness, making...
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What are the control methods for mango shoot blight and gummosis?
What is mango shoot blight and gummosis? What methods can effectively control it? Mango shoot blight and gummosis mainly damages shoots and the main trunk, causing dieback, but it can also harm seedlings and fruit. When seedlings are affected, dark brown necrotic spots usually appear from the bud union or wounds, rapidly spreading upward and downward, causing the scion to die. ...
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When growing flowers, you should frequently wipe the leaves; shiny leaves can reflect light.
For flower lovers, growing flowers is a very happy thing. Watching your beloved flowers grow taller and stronger every day is like watching your own children. However, sometimes after a plant or flower has been grown for a while, its leaves gradually begin to lose their luster, as if they were "dirty." What is going on here!
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Which beautiful and easy-to-grow shade-loving flowers are suitable for a room with no sunlight
0070. For a room with no sunlight, just grow these shade-loving flowers, beautiful and easy to grow! Many flower lovers have told Lanyao that they love growing flowers, but the light at home is really poor, and they don't know if there are any flowers that don't need sun...
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What is walnut branch blight? Get to know this walnut disease
How to grow walnuts efficiently? Please give guidance. Walnut cultivation can refer to the following planting methods: Seedling selection: high-quality seedlings should be selected for planting. High-quality seedlings refer to those with pure varieties, well-healed graft unions, more than 15 lateral roots, a basal stem diameter of more than 1.2 cm, a seedling height of more than 60 cm, straight and smooth stems, and no damage or pests and diseases...
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