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How to remedy nitrogen deficiency in greenhouse strawberries? Practical methods shared
Generally, when nitrogen deficiency begins, the leaves during the vigorous growth period gradually change from green to light green. As the nitrogen deficiency worsens, the leaves turn yellow, with localized scorching, and are slightly smaller than normal leaves. As the degree of nitrogen deficiency intensifies in young leaves, the leaves become even greener. The petioles and calyxes of old leaves appear slightly red, and the leaf color is paler or shows a jagged bright red...
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Causes and Control Methods of Deformed Strawberry Fruit in Greenhouses
During the cultivation of greenhouse strawberries, fruits often appear overly fat or overly thin, with deformed shapes such as cockscomb-like or flat forms. Such fruits not only affect strawberry quality but also reduce their commercial value. In order to reduce or even avoid the formation of such deformed fruits, the author now introduces the causes and control methods as follows:...
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Disease Prevention and Control Measures and Technical Key Points for Greenhouse Strawberries
Strawberry leaf blight mainly affects leaves, petioles, fruit stalks and calyxes. 1. Symptoms. In the early stage of the disease, small dull dark purplish-brown spots appear on the leaves, which then expand into irregular lesions; the color of the lesion edges and centers changes little, and the symptoms of this disease are difficult to distinguish from those of brown spot disease in its early stage. Brown spot disease and leaf blight...
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Control Methods for Late Blight in Greenhouse Celery
Celery late blight, also known as leaf spot disease and leaf blight, is a common disease in celery. Late blight in greenhouse-grown celery is more severe than in open-field celery and has a great impact on celery yield and quality. Occurrence characteristics: Celery late blight is a fungal disease, and the pathogen can overwinter on seeds and diseased plant residues. Sowing...
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How to prevent and control yellow ring leaf in greenhouse cucumbers
In overwintering cultivation of cucumbers, "yellow ring leaf" commonly appears, severely affecting yield and economic returns. This phenomenon is not caused by an infectious disease; it is generally a physiological disorder. 1. Symptom expression: It occurs more often on the middle and lower leaves of cucumbers. At first, the edges of the leaves turn yellow, then it spreads from the leaf edges inward...
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Key Cultivation Techniques for Intercropping Bitter Melon in Greenhouse Cucumber
Bitter melon is a heat-tolerant crop with few pests and diseases. Using a solar greenhouse for intercropping cucumber with bitter melon makes full use of the greenhouse's idle period, improves the utilization rate of greenhouse facilities, and increases economic returns. Variety selection. For cucumber, use Xintai Mici as the scion and black-seed pumpkin as the rootstock for grafted seedling raising....
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Control methods for acute seedling death in greenhouse cucumbers
In the process of off-season cucumber cultivation under plastic film-covered greenhouses, when cucumbers enter the flowering and fruiting stage, cucumbers that were growing well earlier often suddenly show acute seedling death within a few days. This acute wilt disease of cucumber develops rapidly and is difficult to control. Its causes: weather...
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Hydrangeas are perfect for growing at home, and every household deserves to have a pot.
Hydrangea Flower Picture Book (First Press Limited Edition) Dew 00:00/...
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Sprinkle a handful of a snack every household has on your plants, and every pot you grow will thrive
Although more and more people are growing flowers now, many can only keep them alive, not grow them well. This problem has left many flower lovers racking their brains. How exactly can you grow flowers well? Today the editor...
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