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How to prevent and control cotton root rot in northern Xinjiang? Understanding the patterns of occurrence is key
In 2007, northern Xinjiang suffered varying degrees of cooling and rainfall in April, May and August respectively, and cotton root rot occurred rather severely, with the disease incidence in cotton fields reaching 20%-50%, causing a certain impact on cotton yield in northern Xinjiang. 1. Disease symptoms The pathogen overwinters as chlamydospores on plant residues in the soil and germinates to infect the following year. After cotton is infected, the leaves shrink or wilt, and soon afterward the plant lodges and dies. The stem base and roots of diseased seedlings are purplish brown and gradually rot, with the cortex drying and rotting; when pulled from the soil, the roots are decayed brown.
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Nanjing rapeseed field grows a dragon robe pattern as a landscape
A rapeseed field in Nanjing grows a "dragon robe" to stage a grand show
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How to grow orchids? Master the growth patterns and choose the right time for division
The growth and development of orchids follow these patterns: 1. The grand growth cycle. The organs of an orchid, or the entire clump, show a "slow-fast-slow" cycle in growth. In fruit...
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How Many Times Does a Lily Bloom in a Year? A Detailed Explanation of Its Flowering Pattern
How Many Times Does a Lily Bloom in a Year
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How to prevent and treat leaf blight in areca palms? Understand the disease pattern to prevent and treat it early
Understand the pattern and treat promptly: areca palm leaf blight
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Damage Patterns and Control Methods of Spider Mites on Ginkgo Trees
Ginkgo biloba is a large deciduous tree, with a trunk diameter at breast height reaching up to 4 m. The fruit of the ginkgo tree is commonly known as white fruit (baiguo), hence the ginkgo is also called the white fruit tree. The ginkgo tree grows slowly and has an extremely long lifespan. Under natural conditions, it takes more than twenty years from planting to bearing ginkgo fruit, and only after forty years can it produce fruit in large quantities, so some people also call it the "grandfather-grandson tree"
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Disease and Pest Prevention Patterns, Causes, and Control Methods for Spider Plants
Spider plant, also known as ribbon plant, bracket plant, spider ivy, orchid grass, folding crane orchid, and air purifier, is native to Africa. It is a dominant presence among indoor green plants and has the reputation of being a green purifier. It is relatively easy to grow, but it cannot avoid the invasion of pests and diseases. If pests and diseases cannot be prevented and controlled, it will affect the growth of the spider plant.
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How to Find Patterns in the Creation of Water-and-Land Penjing
A few days ago, a good friend came to my home as a guest and saw a water-and-land penjing on the windowsill. They liked it very much, so I promised to make a few pots for my friend. The tree material was all banyan, including Taiwan small-leaf banyan and grafted banyan. My main effort went into the size of the water-and-land areas and the coordination among the trees, pots, and stones. After a few days, initial results began to show.
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Flower watering methods for different seasons and the occurrence patterns of rust disease in seedlings
Occurrence patterns of rust disease in flowers and seedlings
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What to Do About Flower Pests and Diseases in Autumn? Occurrence Patterns and Control Methods
The Occurrence and Control of Flower Pests and Diseases in Autumn
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