A main tenet of sex-allocation theory is that environmental stress should lead to increased maleness because reproducing through pollen is generally cheaper than producing fruits and seeds. Though this prediction has held for many species, it has been little tested for gynomonoecious plants, in which individuals produce both female and perfect flowers. We exposed eight ramets of each of 22 gene...

Continuous intensification of agriculture with inorganic fertilizers causes a decrease in soil quality; grumusol has high clay content and low organic matter. This study aims to examine the effect liquid fertilizer on flowering, shallot yield, ability improve quality. The research used completely randomized block design one factor, namely fertilization six levels: 100% fertilizer; 75% 25% 50% s...

Pollen pistil interaction studies were carried out in six sunnhemp genotypes. viability percentage of the genotypes ranged from 0.0 to 93.5% and pollen germination 84.0% at four different floral stages starting bud opening a flower. The viable grains present later three flower for globose type anthers, while two heart shaped anthers. Stigma receptivity was high very during S3 S4 stages. Artific...

Multiple shoots were induced from leaf explants of Lycopersicon esculentum cultivar MicroTom, within 20-25d, on MS medium supplemented with 8.9 microM benzylaminopurine (BAP)+1.14 microM indole-3-acetic acid (IAA). For rooting, elongated microshoots were excised and transferred onto MS medium supplemented with 4.9 microM indole-3-butyric acid (IBA). Well-developed roots and flower raceme were o...

Human urine was used as a fertilizer in cabbage cultivation and compared with industrial fertilizer and nonfertilizer treatments. Urine achieved equal fertilizer value to industrial fertilizer when both were used at a dose of 180 kg N/ha. Growth, biomass, and levels of chloride were slightly higher in urine-fertilized cabbage than with industrial-fertilized cabbage but clearly differed from non...

INTRODUCTION A treatment to the Alzheimer's disease consists inhibition of the acetylcholinesterase, which is responsible for the acetylcholine control in the synapses. METHODS We have investigated the potential of inhibition of the acetylcholinesterase produced by hexane extracts of leaves, branches, and flowers from three Bauhinia specimens, which is based on the technique of thin layer chr...

Fertilization of aquaculture ponds has been pointed out as an efficient practice to improve fish feed conversion and growth performance. In this way, the present study aimed assess effect pond fertilization on performance, body composition, water quality juvenile pirarucu Arapaima gigas reared in earthen (600 m²) during grow-out phase. Two fertilized two non-fertilized were stocked with 208 pir...

A procedure to identify dihydroflavonol (glucosides), cinnamic acids and anthocyanins in flowers of Petunia hybrida is presented. Nearly all known intermediates and anthocyanins ocurring in Petunia are separated on one column using different elution systems. Hydrolysis of extracts before HPLC and thin layer chromatography is in some cases necessary to make positive identification of flavonoids....

[1] Frost flowers are ice crystals that grow on refreezing sea ice leads in Polar Regions by wicking brine from the sea ice surface and accumulating vapor phase condensate. These crystals contain high concentrations of mercury (Hg) and are believed to be a source of reactive halogens, but their role in Hg cycling and impact on the fate of Hg deposited during atmospheric mercury depletion events...