Acidification of the suspending medium of corn mitochondria (Zea mays L., WF9 x Mo17) from pH 7.5 to pH 6.8 to 6.4 initiates osmotic swelling with the transportable anions citrate, sulfate, and phosphate. Swelling becomes pronounced with a combination of citrate plus sulfate or phosphate. Acidification proves to activate endogenous respiration, which is essentially zero at pH 7.5. The endogenou...

S. frugiperda is a pest that attacks corn plants by eating young shoots/leaves. Leaves are attacked will have many hoisting holes from the edges to inside. If attack of not immediately controlled, losses be crop failure. This study aims determine effectiveness use several concentrations B. bassiana on intensity and mortality larvae maize. research was conducted in green house laboratory Billfat...

Helicotylenchus pseudorobustus (Steiner) Golden is a common parasite of corn (Zea mays L.) in the midwestern United States (9). A 1983 survey of northern Italy indicated that H. pseudorobustus was the most common plant-parasitic nematode associated with corn. H. pseudorobustus is generally semiendoparasitic, feeding in the cortical parenchyma of corn roots and causing necrosis and disruption of...

Remotely sensing the water status of plant canopies remains a long term goal of remote sensing research. Established approaches involve measurements in the thermal infrared and the 900-2000nm reflective infrared. Less popular UVvisible-NIR techniques presumably deserve research attention, because photochemical changes linked to plant water status manifest spectral light scattering and absorptio...

The effect of centrifugal force and length of centrifugation time on the sedimentation of plant organelles was determined for corn (Zea mays L.) root homogenates. A centrifugal force of 6000g for at least 20 minutes was necessary to pellet 90% of the mitochondrial marker (cytochrome c oxidase). This initial centrifugation step is optimal for separating mitochondria from microsomes, since cross-...

Citation: Ertani A, Francioso O, Tinti A, Schiavon M, Pizzeghello D and Nardi S (2018) Evaluation of Seaweed Extracts From Laminaria and Ascophyllum nodosum spp. as Biostimulants in Zea mays L. Using a Combination of Chemical, Biochemical and Morphological Approaches. Front. Plant Sci. 9:428. doi: 10.3389/fpls.2018.00428 Evaluation of Seaweed Extracts From Laminaria and Ascophyllum nodosum spp....

May 1985 ORIGIN OF CORN Corn (Zea mays L.) is the only important cereal indigenous to the Western Hemisphere. Apparently originating in Mexico, it spread northward to Canada and southward to Argentina. While the possibility of secondary centers of origin in South America cannot be completely ruled out, the oldest (7000 years) archaeological corn was found in Mexico’s Valley of Tehuacan. The ear...

The spatial variation in plant species associated with intercropping is intended to reduce resource competition between species and increase yield potential. A field experiment was carried out on corn (Zea mays L.) and soybean (Glycine max L.) intercropping in a replacement series experiment with weed contamination consist of: weed free, infestation of redroot pigweed, infestation of jimsonweed...