the effect of salicylic acid (sa) on induction of resistance against root-knot nematode (meloidogyne javanica) and the effect of m. javanica to induce biochemical defense responses in tomato (solanum lycopersicum l.) roots at six-leaf stage were investigated. meanwhile, the effect of different concentrations of sa on mortality of second stage juveniles of m. javanica was examined. changes in th...

organic compounds including seaweed extract were applied in organic production system and sustainable agriculture. one of these compounds is humic acid that was used widely in research and commercial programs. humic acid is an organic acid obtained from humus and other natural resources with hormonal effects and improving nutrient absorption, increasing root and shoot biomass. in order to inves...

Phytophthora root rot, caused by nicotianae Breda de Haan, is one of the destructive diseases boxwood ( Buxus sempervirens L.) and can affect all growth stages field- container-grown plants. Management a problem only possible through an integrated approach. In this study, efficacy fungicides, biofungicides, host-plant defense inducers, fertilizer were evaluated to manage rot boxwood. The object...

Two field experiments were conducted at a special farm, in El Mansoura, Dakahlia Governorate, Egypt, during the two growing summer seasons of 2018 and 2019 to find out influence soil drench by potassium Humate (KH) yeast extract  (YE) as foliar application alone or combined (KH+YE) under different rates N P fertilization on plant growth, yield, quality protection against some pests soybean plan...