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Sugar mandarin (Citrus reticulata 'Shatangju') - Control Methods for Stem-Boring Insects and Key Points of Cultivation Techniques
How to control stem borers in sugar mandarins? Please advise on control methods. The stem borers of sugar mandarins are mainly the larvae of longhorn beetles or jewel beetles. The control methods are as follows: 1. Pricking or hooking out the larvae. From August to September, based on the frass of the larvae in the tunnels, determine the larval instar and whether there are insects and their life stages inside the tunnel, then use a thin, sharp wire from the fresh...
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What are the morphological characteristics of the blueberry root system?
What kind of characteristics do blueberry roots have? Please introduce them. The blueberry root system has no root hairs. For this reason, the absorptive capacity of the blueberry root system is much smaller than that of root systems with root hairs. Its absorption area is only 1/10 that of a wheat root system of the same size with root hairs. The blueberry root system is fine and fibrous, and before branching the fine roots are straight...
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What are the control methods for mango stem-end rot?
How to control mango stem-end rot? Please introduce mango stem-end rot, which is a fungal disease. It damages fruit during storage, causing fruit rot; when it damages branches it is called gummosis. Harvesting fruit after rain or when it is humid, and not leaving a fruit stalk, favors the occurrence of this disease. Control methods: 1) Clean the orchard in winter, and usually apply more lime...
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How to control the mango stem borer in mango cultivation?
How to control the mango stem borer when growing mangoes? Please explain the methods. The mango stem borer belongs to the order Coleoptera, family Cerambycidae, and occurs in all mango-producing areas of southern China. Its larvae bore into and feed on branches and trunks, weakening the affected plants; in severe cases they can cause the plants to die, and infested branches break easily in the wind. This pest has 1 generation per year and mainly overwinters as...
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What is mango stem-end rot? Getting to know this mango disease
What is mango stem-end rot? How to prevent and control this fungal disease. It damages fruit during storage, causing the fruit to rot; when it attacks branches it is called gummosis. Harvesting fruit after rain or in damp conditions, and leaving no fruit stalk, favour the occurrence of this disease. Control methods: (1) Clean the orchard in winter, and routinely apply extra lime and potassium fertilizer; during the flowering and fruit...
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What are the control methods for the mango stem borer (Rhytidodera simulans)?
Distribution and damage: it occurs both domestically and abroad, with varying degrees of occurrence in Yunnan, Guangdong, Guangxi, Fujian and other areas of China. The larvae bore into and feed on the branches of fruit trees such as mango and cashew, usually entering through young branches and gradually boring downward into larger branches and the trunk, seriously affecting the growth vigor of the plant and ultimately causing the death of the entire plant....
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Control methods for pineapple stem borers and termites
How to control stem borers and termites in pineapple? Please give some advice. For pineapple stem borers and termites, you can refer to the following control methods: When rice straw or wheat straw is used as mulch in pineapple plantations, stem borers often cause damage, biting and eating the heart leaves and young stems of pineapple. You can spray a 500-800 times diluted dimethoate solution for control. Termites near...
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Which fungicide is effective for controlling mango stem-end rot
1 Site conditions Meizhou is located in the mountainous area of eastern Guangdong, with an annual rainfall of 1800mm, an average annual temperature of 21°C, 2031 annual sunshine hours, and an extreme minimum temperature of -2.6°C. The planting site is hillside land, sandy soil, poor and thin soil, pH 4.5, organic matter 1.65%, total nitrogen 0.083mg/kg, hydrolyzable nitrogen 112mg/kg, phosphorus pentoxide 0....
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What are the control methods for grape bunch stem blight?
Common grape diseases include: grape bunch stem blight, gray mold, powdery mildew, anthracnose, black pox, white rot, sunburn, and many other diseases. Here is an introduction to how grape bunch stem blight is controlled: grape bunch stem blight mainly damages young flower buds, the rachis, or young fruit, causing them to shrivel and dry up, resulting...
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Occurrence and Control Methods of Jackfruit Stem-End Rot and Fruit Rot
The African giant snail, also known as the French snail, is a pest that harms pineapple. It mainly bites the base of the fruit from June to August when the fruit is ripe, leaving holes of varying depths, which makes the pineapple prone to infection by pathogens and rot, thereby reducing the commercial value of the fruit and even making it inedible. Control methods: (1) Manual capture. In the African giant snail...
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