deprived of living prey) will die. Consumption of plant sap, however, can cause damage to crops such as certain varieties of tomato, and gerbera. Conditions
they must produce food with a lower chemical load. Motivated by the losses caused by the two-spotted spider mite ( Tetranychus urticae ) and whitefly ( T
g these beneficial insects, growers can significantly reduce the damage caused by pests, ensuring a higher yield and product quality. Environmental su
range in a semi-closed greenhouse is 70-85%. Setting malfunction can be caused by a combination of high humidity deficit and elevated temperature. In [...] are also less active and do not find flowers attractive. The lack of fruit causes the plant to become more vegetative to which the grower often responds by [...] can be found near the climate chamber because of hot, dry air movements caused by momentum. This exhaustion related type of poor setting is typified by
bacteria, typically of the genus Xenorhabdus , which quickly multiply and cause septicemia, ultimately killing the host within a few days. The nematodes
spiders, crystalline spiders, worms and ants, as well as root diseases that cause a reduction in the yield of avocado trees and economic losses due to fruit
General Acyrthosiphon malvae rogersii is a pest of strawberry that is widely distributed in northern and western Europe. Damage symptoms Wingless aphids may form large colonies on young strawberry fol
General The blackcurrant aphid, Cryptomyzus galeopsidis , attacks black currant and also red current. It is widespread throughout Europe and also present in the Russian Far East and North America. Dam
General The rose aphid, Macrosiphum rosae , is a serious and often abundant pest of roses. It is virtually cosmopolitan and widely spread in Europe. Damage symptoms Infestations with rose aphids retar
of these diseases, seeds are the primary carrier of the infection and can cause serious plant losses through damping off just after germination and seedling