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Cut Lily Disease Prevention and Control Methods and Key Technical Points
I. Lily blight 1. Symptoms: Stems, leaves, flowers and scales can all be affected, mainly the tender leaves of the flowers. When leaves are affected, small water-soaked spots appear, which gradually expand and turn grayish-green. When the stem is affected, the water-soaked discolored area spreads upward and downward and rots, further developing into bending and drooping of the stem. In severe cases, the flowers...
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How to prevent and control chrysanthemum rust? Triazole fungicides can be used
Chrysanthemum rust mainly damages the leaves, and can also damage the stems. At the beginning of the disease, pale yellow spots appear on the underside of the leaves, along with raised light brown or rust-colored blister-like structures; pale yellow spots appear on the upper leaf surface, slightly sunken, and soon the blister-like protrusions crack open and release yellow-brown powder. Warm and high humidity favors the disease. During the rainy season in April-May and the rainy weather in late autumn...
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Pennywort care tips: one trick to prevent yellow leaves and make green leaves cover the pot
Pennywort (Hydrocotyle vulgaris) stays green all year round, with round, glossy leaves and a full, rounded shape; it is very beautiful and works wonderfully as a decorative accent in bedrooms, balconies and living rooms. Take a look at pennywort grown by experts: with just one small method, there are no yellow leaves, ...
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Identifying and Managing Succulent Dormancy to Effectively Prevent Root Rot
Main text with images: Internet Succulents, in their places of origin, have developed a physiological habit of an annual fixed dormancy or semi-dormancy period in almost every variety to adapt to the environment. Because varieties differ, their dormancy periods are sometimes in summer, ...
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What is pineapple mealybug wilt disease, and how should it be prevented and controlled?
What is pineapple mealybug wilt disease? How should it be prevented and controlled? Please provide guidance. Pineapple mealybug wilt disease is also known as pineapple root rot. For prevention and control methods, you can refer to the following: 1. Symptoms. Above ground, in the early stage of the disease, the basal leaves turn yellow and red, shrivel, and lose their gloss, and the leaf margins curl inward; later the leaf tips dry up, the leaves wilt, and the plant stops...
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Why Do Orchid Leaves Turn Yellow and Black? Causes and Prevention Methods
Orchid diseases occur throughout all four seasons, especially in summer when humidity is high and temperatures are high. It is the peak growing season for orchids, and also the season when orchid pests and diseases break out most frequently. At the same time, it is the most distressing season for us orchid lovers. A little carelessness or...
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Growing azaleas this way in summer effectively prevents dry leaves and leaf drop
Recently, many gardening friends have left messages for Chengcheng, saying that after repotting their azaleas, the overall condition of the leaves is poor, and quite a few dry leaves have appeared. They asked Chengcheng what the reason is. Chengcheng tells everyone: azaleas are rather delicate by nature, with poor adaptability...
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What to do when rose leaves turn yellow? Do these few things to prevent yellow leaves and keep flowers blooming continuously
Those of us who love roses will occasionally buy a pot, so what is going on when the leaves of a newly bought rose turn yellow? We can judge by process of elimination whether it is overwatering or iron deficiency. Generally, newly bought ones will not...
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How to prevent pumpkin fruit abortion? A full breakdown of practical prevention methods
How to prevent pumpkin fruit abortion? Please explain the methods. The causes of pumpkin fruit abortion and the control methods can refer to the following: Causes (1) Main symptoms: young fruit that has grown to a certain size stops growing, gradually turns yellow and shrinks, and finally dries up or drops off. (2) Causes of the disease: poor pollen development. In early spring in greenhouses the temperature is low, and in the later stage of plastic tunnels the temperature is too high, causing poor pollen
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What are the methods to prevent empty burrs in chestnuts?
How do you prevent empty burrs in chestnuts? Please explain the methods. Apart from varietal characteristics, the main causes of empty burrs in chestnuts are nutritional deficiency or boron deficiency. The comprehensive control measures are as follows: 1. Improve varieties: For inferior seedling trees of mountain chestnuts with a high rate of empty burrs and low yields, top-graft them to change the variety. ...
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