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How to prevent and control apple fruit cracking? Growers, master these key points
In recent years, apple fruit cracking is a common disease in production, seriously affecting fruit quality. The causes and prevention methods of apple fruit cracking are introduced below. Apple fruit cracking manifests as cracks or fissures on the fruit. There are various forms of fruit cracking: some split longitudinally from the side of the fruit,
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What are the control methods for apple silver leaf disease?
Apple silver leaf disease is distributed in all apple-producing areas of China, occurring mainly in the apple-producing areas along the old course of the Yellow River in Jiangsu, Anhui and Henan provinces, and rarely seen in other apple-producing areas. It is a devastating disease that, under suitable conditions, can cause the entire apple tree to die. [Identification
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Control Methods and Technical Key Points for Mango Powdery Mildew
Mango is prone to powdery mildew during the flowering stage, young fruit stage and tender leaf stage. If not controlled in time, it will cause massive fruit drop and reduce yield. Mango powdery mildew is a fungal disease that mainly affects inflorescences, young fruits and tender leaves. On affected organs, scattered small white moldy patches first appear,
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How to prevent and control mango sooty mould? Be sure to guard against this disease when growing mangoes
In recent years, mango sooty mould has caused increasingly serious damage to mango fruit, greatly affecting fruit quality. Below is a brief introduction to the symptoms and damage of sooty mould, the occurrence of the disease, and control methods, for the reference of fellow fruit growers. 1. Symptoms and
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Control Methods for Mango Flatid Planthopper
The mango flatid planthopper, also called the leafhopper, damages flower spikes and young fruit, causing flower and fruit drop, poor harvest or even total crop failure, and induces severe sooty mold. It also damages young buds, tender shoots and leaves, causing bud and leaf deformity. It usually occurs more frequently during the flowering period, and high humidity and a dense canopy make this insect more likely to appear.
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Control Methods for Scab Disease in Mango Cultivation
1. Symptom characteristics: It mainly damages the fruit, and young new shoots and leaves can also be affected. All affected parts show rough, slightly raised scab spots that are lignified. Small dark brown, slightly raised, lignified spots first appear on the fruit surface; later the lesions become densely packed and merge into patches, with a rough surface and a sunken center.
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Mango Pests and Diseases: Control Methods for the Oriental Fruit Fly
(1) Damage Also known as the oriental fruit fly, mango fruit fly, fruit maggot, yellow fly, etc. Adults lay eggs inside the skin of nearly ripe fruit; after hatching, the larvae feed on the flesh, causing fruit splitting, rotting and dropping. The surface of infested fruit remains intact, but on close inspection there are pin holes; when pressed by hand, juice oozes out, and when cut open
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Control Methods for Mango Fruit-piercing Moth Pests and Diseases
I. Damage. The more serious pests include the fruit-piercing moth (Oraesia emarginata), the bird-beak fruit-piercing moth, the dead-leaf fruit-piercing moth, and the super-bridge fruit-piercing moth. The adult moths use their sharp mouthparts to pierce into the fruit and suck the juice of the flesh, causing the fruit to drop. Fruit pierced before harvest will rot during storage and transport. II. Morphological characteristics.
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Methods for controlling thrips pests and diseases in mango cultivation
Classification: Thysanoptera, family Thripidae. I. Tea yellow thrips Scirtothrips dorsalis Hood 1. Damage: Adults and nymphs damage mango leaves, causing them to appear scalded by hot water and eventually wilt; they damage fruit, causing brown rough spots on the surface. This insect also damages tea plants, bananas
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Control methods for the mango shoot borer (Chlumetia transversa) pest and disease
(1) Damage Also called the shoot borer. It occurs commonly in mango-producing areas and is an important pest of mango. The larvae bore into and feed on young shoots and flower spikes; infested young shoots or flower spikes wither or grow weakly. (2) Morphological characteristics Adult body length 11mm, wingspan 23mm. The dorsal side of the body is dark brown, the ventral side grayish white
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