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How to identify hound's tongue? A detailed guide to identification methods
Stem: The stem of hound's tongue is either single or several clustered together, and can grow to 15-60cm. Leaves: The basal leaves have petioles and are oblong-lanceolate or lanceolate; the stem leaves have no petioles and are lanceolate or oblong. Flowers: Blue, with rounded lobes and obvious reticulate veins.
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How to identify the blue-flowered Microula? Sharing practical identification methods and tips
Flowers: usually blue, the inflorescence branches at acute angles and is very compact, with no bracts. The filaments grow from the middle of the corolla tube and are about 5-6mm long. The corolla is 5-6mm long, with rounded lobes that have very distinct netted veins. Fruit: ovate, slightly concave on the back, flowering and fruiting from May to September, about 3-4mm long.
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Detailed Guide to Symptom Identification and Control Methods for Cucumber Phytophthora Blight
Cucumber phytophthora blight occurs in all regions. It is one of the important diseases of cucurbit crops. It can harm many kinds of cucurbit crops. 1. Pathogen Cucumber phytophthora blight is a disease caused by fungal infection. 2. Symptom identification 2.1 Leaf lesions appear as light brown, nearly circular large spots. 2.2 Stem base...
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Symptom Identification and Integrated Control Methods for Strawberry Bud Blight
Strawberry bud blight is a soilborne fungal disease with a worldwide distribution. It is strongly saprophytic in soil and is an important root disease of many crops. In addition to strawberry, it also affects more than 160 species of cultivated and wild plants, including cotton, soybean and vegetables. On strawberry, it mainly damages buds, new shoots, stipules and the bases of leaf petioles, causing seedling-stage damping-off...
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Identification and Control Methods for Dry Tips on Welsh Onions
Welsh onion dry tips fall into two types: physiological dry tips and pathological dry tips, and among the latter, "white dry" and "green dry" often leave onion farmers unable to tell them apart, making it hard to target the right treatment, which leads to missing the best window for control. Here, a brief explanation of the causes and control measures for the two symptoms. White dry is caused by late blight, occurring under high temperature and high humidity conditions...
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Detailed Introduction to Onion Varieties and Classification
1 Main Types The types of onion can be classified morphologically as: ① Common onion (Allium epa L.), each plant usually forms only one bulb. Propagated by seed; a few varieties form aerial bulbs on the inflorescence under special environmental conditions. Common onions can generally be divided by bulb shape into flat-globular...
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Symptom Identification and Control Measures for Nutrient Deficiency in Garlic
(1) Watering. Although garlic leaves are fairly drought-tolerant, the roots are shallow and have weak absorption capacity, so garlic requires relatively high soil moisture, and different growth stages have different requirements for soil moisture. After sowing, maintain relatively high soil moisture; if it is too dry, water in advance to achieve suitable moisture for sowing. Before winter...
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Diagnosis, Identification and Control Methods of Gray Mold in Chinese Chives
How to control gray mold in greenhouse Chinese chives. Gray mold in Chinese chives, also known as "white spot leaf blight" and "white spot rot", is the main disease of greenhouse Chinese chives. It should be controlled early to reduce losses and increase profits. The occurrence conditions and control methods of gray mold in Chinese chives are briefly summarized as follows: 1. Occurrence conditions 1. Chi...
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What to Do When Citrus Gets Huanglongbing? Symptom Identification and Control Techniques
Citrus huanglongbing is also known as "citrus cancer." It is a bacterial disease caused by a bacterium called Candidatus Liberibacter asiaticus, and is spread through grafted nursery stock and an insect called the Asian citrus psyllid. The harm it causes to citrus is enormous; if allowed to spread, it will deal a fatal blow to the citrus industry, killing trees and destroying orchards, and must be taken with the utmost seriousness...
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Identification and Control Methods for Green Peach Aphid on Cilantro
Description of Characteristics and Control Methods The green peach aphid, Myzus persicae (Sulzer), belongs to the order Hemiptera (formerly Homoptera; however, Homoptera has now been moved within Hemiptera), family Aphididae. Also known as the greasy bug, tobacco aphid, peach red aphid, and oil bug. The green peach aphid is a polyphagous pest, with host plants numbering approximately 74 families and 28...
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