hybridize. There is debate whether they should indeed be considered separate species, since they cause the exact same symptoms. Tilletia tritici and Tilletia
whole plant. Life cycle and appearance of Apple collar rot Phytophthora species are very destructive organisms belonging to the Oomycetes and are therefore
traps and thus ensures earlier discovery of the pest. Pests Several thrips species, such as Frankliniella occidentalis and Thrips tabaci . Crops Protected
the 1840s. Life cycle and appearance of Phytophthora blight Phytophthora species are very destructive organisms belonging to the Oomycetes and are therefore
Panonychus ulmi ); citrus red mite ( Panonychus citri ); other spider mite species. Crops Do not use in tomato. Mode of action Predatory mites pierce their
survive very well in the soil or substrate in the absence of plants. Many species are entirely saprophytic, so these do not harm plants. How to prevent Black
appearance of Oleander aphid The oleander aphid is an obligate parthenogenetic species; thus the adult aphids are all female and males do not exist. Adult females
Pests All stages of many mealybug species. Mode of action Adults and larvae consume the mealybugs completely. Visual effect Mealybugs are consumed entirely
survive very well in the soil or substrate in the absence of plants. Many species are entirely saprophytic, so these do not harm plants. How to prevent D
Pests All stages of many mealybug species. Mode of action Larvae and adults consume the mealybug completely. Visual effect Mealybugs are consumed entirely