Comparative study of bacterial community dynamics in different soils following application of the herbicide atrazine.

Microbial communities in cultivated soils control the fate of pollutants associated with agricultural practice. The present study was designed to explore the response of bacterial communities to the application of the widely-used herbicide atrazine in three different crop fields that differ significantly in their physicochemical structure and nutritional content: the nutrient-rich (with relatively high carbon and nitrogen content) Newe Yaar (NY) and Ha-Ogen (HO) soils and the nutrient-poor, sandy Sde-Eliyahu (SE) soil. The 16 S rRNA gene amplicon sequencing revealed the nutrient poor HO soil differs in its response to atrazine in comparison to the two nutrient-rich soils both in the shortest persistence of atrazine and its effect on community structure and composition.

Good News for Cabbageheads: Controlling Infestation under Hydroponic and Field Conditions.

(Orobanchaceae) is a parasitic weed that causes severe yield losses in field crops around the world. After establishing vascular connections to the host plant roots, becomes a major sink that draws nutrients, minerals, and water from the host, resulting in extensive crop damage. One of the most effective ways to manage infestations is through the use of herbicides.

The Influence of the Plant Growth Regulator Maleic Hydrazide on Egyptian Broomrape Early Developmental Stages and Its Control Efficacy in Tomato under Greenhouse and Field Conditions.

Broomrapes ( spp. and spp.) are holoparasitic plants that cause tremendous losses of agricultural crops worldwide.

Host-Parasite-Bacteria Triangle: The Microbiome of the Parasitic Weed and Tomato- (Mill.) as a Host.

Broomrapes ( spp.) are holoparasitic plants that subsist on the roots of a variety of agricultural crops, establishing direct connections with the host vascular system. This connection allows for the exchange of various substances and a possible exchange of endophytic microorganisms that inhabit the internal tissues of both plants.

Thermal Time Model for Egyptian Broomrape () Parasitism Dynamics in Carrot ( L.): Field Validation.

Carrot, a highly profitable crop in Israel, is severely damaged by parasitism. Herbicides can effectively control the parasite and prevent damage, but for optimal results, knowledge about the soil-subsurface phenological stage of the parasite is essential. Parasitism dynamics models have been successfully developed for the parasites , and in the summer crops, tomato, sunflower, and red clover, respectively.

Biological activity of natural phytoecdysteroids from Ajuga iva against the sweetpotato whitefly Bemisia tabaci and the persea mite Oligonychus perseae.

Background: Ecdysteroids are steroid hormones that control moulting and govern several changes during metamorphoses in arthropods. The discovery of the same molecules (phytoecdysteroids) in several plant species displayed a wide array of rather beneficial agricultural impact. Many representatives of the genus Ajuga plants contain phytoecdysteroids with a 5β-7-ene-6-one system exhibiting physiological activities in insects.

Expression of sarcotoxin IA gene via a root-specific tob promoter enhanced host resistance against parasitic weeds in tomato plants.

We have developed a simple genetic engineering strategy for conferring resistance against parasitic weeds on host plants. Transgenic tomato plants expressing the sarcotoxin IA gene were grown either in polyethylene bags (PE) or in pots inoculated with Orobanche aegyptiaca seeds. The results indicate that transgenic plants exhibited strong inhibition of parasite growth and significantly increased yield as compared with non-transgenic ones.