TGDF

Fruit Leaf Scorch Disease

Symptoms:

     They mainly affect the leaves and fruits of crops.
    1. Chlorophyll synthesis in leaf cells is hindered, causing the leaves to gradually lose their luster and even     fall off.
     2. The fruit skin gradually darkens and becomes rough, and the color of the fruit gradually becomes     grayish-white.

Commonly affected fruits:

Strawberries, blueberries, pineapples, lychees, grapes

Medications:

Abamectin, Tebufenpyrad, Boscalid

Aphid

Symptoms:

1. The leaves show deformities, curling up, and the whole plant is stunted.
2. The leaves turn yellow, the plants age prematurely, and growth stops.

Commonly affected fruits:

Strawberries, mangoes, watermelons

Medications:

Abamectin, Malathion, Imidacloprid, Bromocyclen

Cutworms

Symptoms:

1. The leaves have missing pieces, holes, and are incomplete, severely affecting normal plant growth.
2. It affects photosynthesis and increases water transpiration.

Commonly infected fruits:

Peaches, dates, apricots, pears, apples, etc.

Medications:

Chlorpyrifos, Methomyl

Cotton red spider

Symptoms:

At the beginning of the damage, there are many white spots on the front of the leaves, and a few days later, the stems turn red. If it is severe, the leaves and stems will wither and become like burned, causing a large area of reduced yield or crop failure.

Commonly infected fruits:

Watermelon, apple, citrus, pear, peach

Medications:

Fenpyroximate, Abamectin, Tetradifon, and Chlorfenapyr.

Scale insects

Symptoms:

Yellowing of leaves, withering of branches and twigs, and the decline of the vigor of the tree, which is prone to inducing coal pollution disease.

Commonly infected fruits:

Citrus, pomelo

Medications:

Imidacloprid, Chlorpyrifos, and Acephate.

Spider Mites

Symptoms:

1. Tender leaves and tender shoots become hard and curled, wilted, and the plant growth is slow, and internodes are shortened.
2. The immature fruit hardens after being damaged.

Commonly infected fruits:

Mangoes, watermelons

Medications:

Abamectin, Avermectin.

Spotted Wing Drosophila

Symptoms:

1. Accelerated spoilage and rot of fruits.
2. It is a vector for spreading diseases such as gray mold and brown rot.

Commonly infected fruits:

Cherries, blueberries, grapes

Recommended treatments:

Cyantraniliprole, Diazinon.

Whiteflies

Symptoms:

1. Affects photosynthesis, causing the leaves to wither, wilt, and fall prematurely.
2. Some whiteflies are important vectors for many viral diseases.

Commonly infected fruits:

Mangoes, watermelons

Medications:

Avermectin, insect chitinase inhibitor, pyrethrin, imidacloprid, spinetoram

The Genomic Database Of Fruit

Common fruit pests