of the shoots. Severely affected bushes look as if they have been torched by fire. Life cycle and appearance Adult is slender 6 - 8mm long, black colour
Overview The corn earworm is a major pest affecting over 100 crops, of which the most prominent varieties are corn, sorghum, cotton, aubergine, pepper, and tomato. They primarily feed on flowers and f
whereas at 10 °C the lesions are light-brown. The lesions can be enclosed by pseudostromata: dark coloured tissue that looks like black stripes. The disease [...] soil, but little else is known about the life cycle. The fungus is dispersed by water, air and soil particles. How to prevent Black root rot of cucurbits [...] annually Disinfect nutrient solution and irrigation water Prevent plant diseases by optimizing plant potential and crop resilience.
bunt, stinking smut, karnal bunt of wheat. Damage symptoms Plantsinfected by Tilletia tritici and Tilletia laevis are hard to distinguish from infected [...] still above 15°C at the critical first 11 days reduces the risk of infection by Triticum tritici and Triticum laevis . Since Triticum controversa mostly attacks [...] leaf stage, this is less effective for this fungus Prevent plant diseases by optimizing plant potential and crop resilience.
damage to plants both directly and indirectly. The most direct damage is caused by the larvae mining the leaf tissue, leading to desiccation, premature leaf-fall [...] harvest is affected. The older larvae make wider tunnels. Feeding spots made by adult females can also reduce yield, although except with ornamental crops [...] plants can be completely destroyed as a result of the direct damage caused by leaf miners. Indirect damage arises when disease causing fungi or bacteria
also known as barley smut, or loose smut of barley. Damage symptoms Infection by Ustilago nuda f. sp. hordei r emains invisible until head emergence. The first [...] of seeds from infected fields for further cropping Prevent plant diseases by optimizing plant potential and crop resilience.
known as loose wheat smut, or loose smut of wheat. Damage symptoms Infection by Ustilago nuda f.sp. tritici remains invisible until head emergence. The first [...] of seeds from infected fields for further cropping Prevent plant diseases by optimizing plant potential and crop resilience.
even very low numbers of thrips can cause damage by transmitting viruses, or by reducing aesthetic value by damaging flowers, e.g. in roses The western flower [...] in other sheltered places. The prepupal and pupal instars can be recognized by their developing wing buds. Compared to the prepupa, the pupa has longer, [...] of wings are fully developed. Damage symptoms Thrips cause damage to plants by piercing the cells of the surface tissues and sucking out their contents,