Maximization of short-rotation forest plantation yield requires frequent applications of nutrients, especially nitrogen (N). Whole-plant growth is known to be sensitive to the proportion of ammonium to nitrate (NH4:NO3). However, the extent to which N form affects root growth, branching and morphology is poorly understood, and these variables may have substantial impacts on plant nutrient and w...

Cinnamic acid (CA), which is a well-known major autotoxin secreted by the roots in cucumber continuous cropping, has been proven to exhibit inhibitory regulation of plant morphogenesis and development. Melatonin (MT) has been recently demonstrated to play important roles in alleviating plant abiotic stresses. To investigate whether MT supplementation could improve cucumber seedling growth under...

Flea beetles in the genus Altica are herbivorous, urban agricultural pests that are morphologically difÞcult to distinguish. Host plant associations, therefore, have been used as an important species character in Þeld studies. Indigenous weeds in the Onagraceae, genus Oenothera, are known to serve as developmental hosts for the ßea beetle Altica litigata Fall. Although host plant speciÞcity in ...

The low level of understanding biology students on plant morphology material, especially Orchidaceae, requires the development learning resources. This study aims to develop an encyclopedia "Identification Orchidaceae Morphology" and test its feasibility. Research was carried out in 2 stages, namely identification using ADDIE model (analysis, design, development, implementation evaluation). res...

Restoring plant populations requires an understanding of plant morphological adaptation to site locations and population genetic diversity and relatedness. This study examined the genetic and morphological diversity of Sarracenia purpurea L. within the natural fragmentation of western Lake Superior. Populations of S. purpurea were compared among three locations: Isle Royale National Park, the K...

In many plant species, the degree of serration and complexity in successive leaves increases. A new study suggests that small-RNA-mediated licensing of competitive interactions between transcription factors links the developmental clock regulating vegetative phase change with leaf morphology.

in present study we studied using green routes for microwave assisted synthesis of alumina nanoparticles from aluminum nitrate. it was revealed that when plant extracts are used, no specific stabilizer is needed. structural characterization of nanoparticles was studied using x-ray diffraction that showed semi-crystalline structure for two of plant extracts, other xrd patterns had no significant...

One key idea behind morphological computation is that many difficulties of a control problem can be absorbed by the morphology of the robot. The performance of the controlled system naturally depends on the control architecture and on the morphology of the robot. Ideally, adapting the morphology of the plant and optimizing the control law interact such that finally, optimal physical properties ...

Plant height of sunflower is a major agronomic trait affecting crop performance in the field and its adaptation to mechanical harvest. Field experiments were conducted to study the effect of foliar application of paclobutrazol (PBZ) at 12.5 g ai/ha, mepiquat chloride (MPC) at 25.0 g ai/ha and chlormequat chloride (CCC) at 1,500 g ai/ha in single or double applications on sunflower plant mor...