نتایج جستجو برای: 12 leaf stage
تعداد نتایج: 988410 فیلتر نتایج به سال:
Class 1 KNOTTED1-LIKE HOMEOBOX (KNOXI) genes encode transcription factors that are expressed in the shoot apical meristem (SAM) and are essential for SAM maintenance. In some species with compound leaves, including tomato (Solanum lycopersicum), KNOXI genes are also expressed during leaf development and affect leaf morphology. To dissect the role of KNOXI proteins in leaf patterning, we express...
they are simply a set of features, that when combined, best discriminate 600 one biological process (e.g., evolutionary history) from others (e.g., developmental 601 stage). The shapes that arise through this combination of features are latent only 602 because they are not immediately recognizable when each of their component 603 landmarks is considered alone; the effects of genetics and develo...
This study aimed to determine the best extraction and precipitation conditions of Moringa oleifera Lam. leaf protein. The influence pH (10, 11, 12) concentration NaCl (0, 0.25, 0.5) for protein process were studied through a Completely Randomized Design (CRD) with factorial arrange 32. combination 11 12 0 M had yield (P<0.05). treatment without followed stage its purification, effect differe...
Growth pattern dynamics lie at the heart of morphogenesis. Here, we investigate the growth of plant leaves. We compute the conformal transformation that maps the contour of a leaf at a given stage onto the contour of the same leaf at a later stage. Based on the mapping we predict the local displacement field in the leaf blade and find it to agree with the experimentally measured displacement fi...
Chloroplasts are the central nodes of the metabolic network in leaf cells of higher plants, and the conversion of proplastids into chloroplasts is tightly coupled to leaf development. During early leaf development, the structure and function of the chloroplasts differ greatly from those in a mature leaf, suggesting the existence of a stage-specific mechanism regulating chloroplast development d...
Studies dedicated to understanding the behavior of pathogens in relation to their hosts are the starting point for any breeding program aimed to develop resistant cultivars. The objective of this study was to analyze the resistance to Septoria tritici Rob in 77 F11 progenies of wheat derived from the three-way cross Tadinia × (Yecora rojo × UC554) in the phenological stages of seedling, tilleri...
MicroRNAs (miRNAs) exhibit diverse and important roles in plant growth, development, and stress responses and regulate gene expression at the post-transcriptional level. Knowledge about the diversity of miRNAs and their roles in leaf development in celery remains unknown. To elucidate the roles of miRNAs in celery leaf development, we identified leaf development-related miRNAs through high-thro...
Nitrogen fertilizer application for corn (Zea mays L.) based on available N of soil can decrease the need to N fertilizer and, consequently, reduce the risk of environmental pollution, especially that of groundwater and drinking water. The objectives of this study were i) determining soil N03-N critical level at 4 to 6 leaf stage, ii) to study soil nitrate distribution, iii) determining N rate ...
Chloroplast development is an important subject in botany. In this study, a rice (Oryza sativa) mutant exhibiting impairment in early chloroplast development (seedling leaf albino (sla)) was isolated from a filial generation via hybridization breeding. The sla mutant seedlings have an aberrant form of chloroplasts, which resulted in albinism at the first and second leaves; however, the leaf she...
Twenty-two isolates of Sclerotium rolfsii causing spotted leaf rot from Varanasi, India were grown on 6% Cyperus rotundus rhizome meal agar (CRMA) medium for the induction of athelial stage (Athelia rolfsii). Only one isolate obtained from Sphaeranthus indicus formed basidial stage on CRMA medium while the other 21 isolates did not. Basidial stage was also produced in S. indicus isolate at diff...
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