Photoassimilate translocation

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August undefined, 2024

Webphysiological independence. The absence of photoassimilate translocation between plant propagules has frequently been used as an empirical definition of physiological indepen … WebPhotoassimilate Translocation in Soybean and Tropical Pasture Legume Siratro Yoshiyuki Ohashil, Hirofumi Saneoka2, and Kounosuke Fujita Department of Environmental …

Regulation of Photoassimilate Distribution between Source …

WebPhotoassimilate and Phloem Transport (Carbon Compounds formed from Photosynthesis) Goals and Objectives: ... Be able to describe the source-sink concept and how it is involved in determining the direction and rate of translocation in the phloem. WebJan 1, 2024 · Request PDF Photoassimilate Translocation During evolution, early land plants were challenged by serious environmental pressures for their survival. The main … btcat baker and taylor

Photoassimilates - Furman University

WebMar 1, 2024 · A positron-emitting tracer imaging system (PETIS) analysis detected a decreased amount of photoassimilate transport in the flo2 mutant. Therefore, it was … Web2. Light Environment and Photoassimilate Translocation 2.1. Light Intensity Light intensity is a fundamental factor for translocation of photoassimilatesthe in plants. The export percentage of carbon from source leaves is stable, but the amount of carbon per unit leaf area mainly depends on the carbon pool [3]. WebNov 9, 2015 · The 11C-photoassimilate transport speed did not change over the two developmental stages. However, within a stem, transport speeds were reduced across nodes, likely due to higher 11C-photoassimilate unloading in the nodes. Photosynthesis in leaves and the amount of 11C that was exported to the rest of the plant decreased as … btcat cataloging

Studies on the translocation characteristics of 13 C ... - PubMed

WebEffect of Water Stress on Photosynthesis and Translocation in Siratro 419 using a leaf area meter (AMM-5 type, Hayashi-denko Co., Tokyo, Japan). Each plant part was dried in an air-forced oven at 80°C for more than 3 d and the dry weight was recorded. From the beginning of the water stress treatment, the photosynthetic gas exchange rate WebJan 1, 2014 · The velocity of photoassimilate translocation through the peduncle was estimated as 1.17 cm/min. Sixty minutes after the start of 11 CO 2 feeding, the 11 C activity of the fruit began to increase, and by 120 min, it had reached about 8 % of feeding 11 CO 2 (Fig. 2.4). It took about 60 min for the first [11 C] photoassimilate to reach the fruit ... exercise evaluation guides are aligned tohttp://facweb.furman.edu/~lthompson/bgy34/assimil.htm bt case studies

"WebFeb 2, 2024 · Our observation suggests that AtFLO2 is strongly involved in regulation of translocation and transport of assimilates, and contributes greatly to quality control of the various processes involving substance supply or transfer, such as photoassimilation, leaf enlargement, yield of seeds in a silique and accumulation of seed storage compounds. " - Photoassimilate translocation

Photoassimilate translocation

In vivo quantitative imaging of photoassimilate transport …

WebAug 21, 2011 · Whole-plant imaging for studying the complete carbon kinetics involved in photosynthesis and subsequent photoassimilate translocation and unloading was achieved using a positron-emitting tracer imaging system (PETIS) in combination with 11 CO 2 … WebJun 19, 2024 · Clopyralid and aminopyralid absorption and translocation were quantified in nonvernalized and vernalized plants following application of 14C-labeled herbicides 2, 4, 8, 24, and 72 h after treatment. ... The changes in source–sink competition contribute to higher levels of photoassimilate translocation to the roots in the fall (Tworkoski 1992).

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WebNov 9, 2015 · Quantifying real-time carbon allocation and photoassimilate transport dynamics, as demonstrated here, will be important for functional genomic studies to … WebDec 15, 2024 · The transport of photoassimilates through the phloem is performed predominantly in the form of sucrose or compounds derived from raffinose and stachyose. In melon plants, sucrose, raffinose, and stachyose are the major carbohydrates translocated in the phloem (Chrost and Schmitz, 1997 ).

WebThese results (1) indicate that transport of photoassimilate occurs through the leptome of perennating rhizomes, (2) demonstrate that translocated carbon is subsequently utilized or stored, and (3) raise important questions about the significance of long distance transport in the life strategy of this complex clonal moss. Authors: WebHere we focused on the light-mediated regulation of photoassimilate translocation in plants and the application of light environment control in greenhouse production. We also reviewed the effects of other factors including leaf age and position, air temperature, CO 2 concentration and water and mineral element supply on photoassimilate ...

WebFeb 17, 2024 · ABSTRACT. Nutrient leaf application is complementary to soybean nutritional management, mainly at maturity, when plants present high nutritional demand and high nutrients and photoassimilate translocation rates for seed production. WebVariations in assimilation rate, photoassimilate translocation, and cellular fine structure of potato cultivars (Solanum Tuberosum L.) exposed to elevated CO 2 Plant Physiol Biochem. 2024 Sep;130:303-313. doi: 10.1016/j.plaphy.2024.07.019. Epub 2024 Jul 19. Authors

WebPost-photosynthetic fractionation processes during translocation, storage and remobilization of photoassimilate are closely related to intra-annual sigma13C of tree rings, and understanding how these processes affect tree-ring sigma13C is therefore indispensable for improving the quality of climate reconstruction.

WebTo investigate the interactive impact of enhancing CO 2 on physiology, cellular fine structure and photoassimilate translocation of micro-propagated potato plantlets, plantlets (cvs. … exercise equipment with computerhttp://facweb.furman.edu/~lthompson/bgy34/assimil.htm btcatWebPhotoassimilate must be allocated appropriately so that sucrose for transport is produced, starch for storage is produced, and RuBP is regenerated. Translocation takes place in the … btc astrologyhttp://faculty.buffalostate.edu/penaloj/bio408/ch6phloem.htm bt cat hpWebGeneration and identification of flo2 mutants in rice. To generate flo2 mutants with the expectation to produce null mutations, sgRNA was designed in the coding region of FLOURY ENDOSPERM 2.The constructed expression vector flo2 gRNA was expressed and driven by the OsU3 promoter, and the Cas9 cassette was driven by the ubiquitin promoter (Figure … exercise etc incorporatedWebIn botany, a photoassimilate is one of a number of biological compounds formed by assimilation using light-dependent reactions. This term is most commonly used to refer to … btc atcWebNov 19, 2024 · The presence of new flush altered the direction of photoassimilate translocation and rate of leaf export, but stem transport speeds were not distinguishably different. Open Research. DATA AVAILABILITY STATEMENT. The data that support the findings of this study are available from the corresponding author upon reasonable request. btcatholic