• Tea spider mite

  destructive pest in all tea growing areas of India causing considerable yield loss. Damage symptoms Larvae, nymphs and adults causes damage to the tea plant [...] leaves wilt and defoliation occurs due to increased transpiration and moisture loss. Absence of shade, high temperature and dry conditions are congenial conditions

• Southern blight

  Significant losses occur in soils infested by the pathogen, which have a light texture and humidity close to field capacity. In the southern USA, losses can reach [...] present girdling of the stem, which causes wilting of the upper part, necrosis, loss of leaves, and death of the plant. Symptoms begin with brown, aqueous lesions

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• Apple scab

  quality, marketable yield, and storage potential. Without management, economic losses can exceed 70% of production value. Infections are favored by cool, wet [...] yellowing, browning, and early leaf drop Reduced tree vigor and potential loss of return bloom from heavy defoliation Lower fruit quality, storage potential

• Grape downy mildew

  shoots, and young berries, often resulting in severe yield and quality losses. Infections during flowering and early berry development pose the greatest [...] remain small and fail to ripen Clusters appear sparse due to early berry loss Management of Grape downy mildew Effective management of grape downy mildew

• Root rot of carrot

  cold-stored carrots are a major problem and can lead to significant postharvest losses Several different fungal pathogens cause similar symptoms, which are co [...] starts mainly along the leaf edges. Rhexocercosporidium infection can cause loss of seedlings. The subsurface parts turn dark brown to black, while the cotyledons

• Chula Brand is a pioneer in biological pest control in papaya

  export of papayas, which has managed to control the pests responsible for losses in its production in a safe and effective way. Chula Brand is a company [...] this, they must produce food with a lower chemical load. Motivated by the losses caused by the two-spotted spider mite ( Tetranychus urticae ) and whitefly

• Grape mealy bug

  increasing threat to grape cultivation which leads to considerable yield loss. Damage symptoms Adults and nymphs suck the sap from the leaves, shoots,

• Mealybugs and scales

  grow) resulting in considerable damage in ornamental and fruit crops and loss of value. Armoured scales do not produce honeydew. The concealed habit and [...] product unfit for sale. A very small population can thus cause considerable loss of value. Soft scales feed mostly on leaves and twigs, causing discolouration

• Leaf stripe

  Pyrenophora graminea is a disease of Barley that causes significant yield losses. Damage symptoms Symptoms first occur on the first, second and third leaf