we found a positive relationship between resveratrol and nitrogen in the presence of melilot and no significant relationship in the absence of melilot. Nitrogen fixation of rhizobia includes a high-energy cost since the fixation of 1 gram of nitrogen requires 10 g glucose under favourable circumstances. If glucose is transported from knotweed to melilot Bortezomib Velcade to cover the energy used on nitrogen fixation, less glucose will be available to form resveratrol glucosides in a knotweed melilot rhizobia system that fixed relatively large amounts of nitrogen. Thus, relative to the total amount of resveratrol glucosides, more resveratrol will be noticed. Within our marijuana experiment, the relation of resveratrol to resveratrol glucosides in knotweed was indeed somewhat larger in the presence of melilot than in the absence of melilot for loess and low nutrient clay. Not only the presence of melilot but additionally the efficiency of melilot to fi nitrogen was significantly correlated Metastatic carcinoma with all the percentage of resveratrol to resveratrol glucoside. This obviously describes the differences between every one of the substrates. Fertilizer is revealed to be a substrate with a low performance of N fixation and, in the same time, with an increased proportion of resveratrol glucosides compared with its aglycones. The other holds true for your clayish low nutrient substrates, clay and loess. Our data hence suggest the existence of glucose transport between your two plants, melilot and knotweed, and demonstrate how costly nitrogen fixation is. As for the transport of nitrogen, the following observations have now been made: 1 the rhizobia bacteroid membrane is permeable to amino acids, 2 bacteroids cycle amino acids to the host plantroots exude both amino acids and natural product libraries sugars, and 4 fungal hyphae are in a position to transport nitrogen, even amino acids, and can transport sugars both passively and actively. The plants in our system are demonstrably interconnected by fungal hyphae, as the melilot functions as a donor plant of mycorrhizal fungi, vesicules and hyphae, but no arbuscules, have been found in the origins of knotweed increasing as well as melilot, but none have been seen in the absence of melilot. Transfer of materials via hyphae will be expected within our program. Nevertheless, we did not examine the systems of transportation, which require further research. Conclusions A three year field experiment unmasked that 2. 6 t of 8 and dry mass. 5 kilogram of stilbenes are generated per hectare of knotweed. Ruin bank soils are ergo promising places to develop knotweed, namely this hexaploid clone of Dhge. bohemica, as a medicinal plant for production of resveratrol and resveratrol containing substances.