The maize (Zea mays) brittle stalk2 (bk2) is a recessive mutant, the aerial parts of which are easily broken. The bk2 phenotype is developmentally regulated and appears 4 weeks after planting, at about the fifth-leaf stage. Before this time, mutants are indistinguishable from wild-type siblings. Afterward, all organs of the bk2 mutants turn brittle, even the preexisting ones, and they remain br...

University of Florida funds to purchase a pyrolysis mass spectrometer (to W.V.). Abstract The maize brittle stalk2 (bk2) is a recessive mutant, the aerial parts of which are easily broken. The bk2 phenotype is developmentally regulated and appears four weeks after planting, at about the fifth-leaf stage. Before this time, mutants are indistinguishable from wild-type siblings. Afterwards, all or...

Abstract Cadmium (Cd) contamination in agricultural soils has become a serious issue owing to its high toxicity threat human health through the food chain. The purpose of this paper is explore availability foliar selenium (Se) application reducing Cd enrichment brown rice. A field experiment from 2017 2019 was conducted investigate effects Se on physiology and yields three rice cultivars their ...

Class III peroxidases (CIII Prxs) play critical roles in plant immunity by scavenging reactive oxygen species (ROS). However, the functions of CIII Prxs rice (Oryza sativa L.) are largely unexplored. Here, we report a Prx precursor, OsPrx30, that is responsive to bacterial blight Xanthomonas oryzae pv. (Xoo). OsPrx30 was primarily expressed roots, leaves, and stems, its protein product mainly l...

Diazinon is an organophosphorus insecticide (OPP) that is used as a pesticide for Chilo suppressalis (WLK) (Lep., Pyralidae) in rice fields. The extraction of diazinon from soil and the stems of rice plants has been carried out by microwave-assisted extraction (MAE) and the results compared with ultrasonic extraction (USE). The best parameters for MAE are hexane-acetone (8:2 v/v) as a solvent, ...

The concentration of trace toxic metals (Cr, Zn, As, Pb, Cd, Cu, and Ni) in soil rice plants, including the stems, leaves, grain, from main rice-producing provinces Ecuador, was determined. Additionally, soils were analyzed to determine their properties, composition, total content, bioavailable fraction, geochemical fractions elements. Approximately 30% samples case Cr Cu 10% Ni exceeded legal ...

Biofortification of rice (Oryza sativa L.) with micronutrients is widely recognized as a sustainable strategy to alleviate human iron (Fe) and zinc (Zn) deficiencies in developing countries where rice is the staple food. Constitutive overexpression of the rice nicotianamine synthase (OsNAS) genes has been successfully implemented to increase Fe and Zn concentrations in unpolished and polished r...

The development of a theoretical model to describe the scattering mechanisms involved in the remote sensing of rice crops is essential, as it ensures correct application of remote sensing data for rice monitoring. The theoretical model used in this study is based on the radiative transfer theory applied on a layered dense discrete random medium. The dense medium phase and amplitude correction t...

We aimed to elucidate the color changes of rice leaves after anthesis and create an algorithm for monitoring nitrogen contents whole plant. Hence, we provide a theoretical basis precise management fertilizer research development digital image nutrition equipment reference. selected leaf colors main stems four major varieties promoted in production, including Huaidao 5 (late-maturing medium japo...