Modelling dry matter partitioning based on sink strengths of organs is promising, as it is a general, dynamic and flexible approach, showing good agreement between measurements and simulation for a range of conditions. It merges models of plant morphogenesis and models simulating the growth of plant. Beneficial microbes and phosphorus management influence. Dry matter partitioning and harvest index differ in rice. At later stages of growth, total green leaf area was significantly reduced by deficiency of each of the nutrients. Total dry matter weights dm of tea bushes increased with age from 9.
Merge pdf files combine pdfs in the order you want with the easiest pdf merger available. Dejong department of pomology, university of california, one shields avenue, davis, ca 95616 received for publication 6 oct. Pdf dry matter partitioning in four potato varieties. The study was conducted on rcbd split plots arrangement at agronomic research farm during 2015. Control plants were provided without the addition of iron. Partitioning also refleas sink strengths, and so partitioning is essential for the development. Light use efficiency is a function of plant species.
General specification for drywall partitions and lightweight internal walls second edition june 2004 administered by p o box 7861, halfway house, 1685. Influence of boron molybdenum and nickel on total dry matter, partitioning and yield of blackgram vigna mungo l. Developmental and environmental control of dry matter partitioning in peach t. The cost of publishing this paper was defrayed in part by the payment of page charges. The chlorophyll content index, dry matter, and root to shoot ratio were gradually reduced as the fe content in the substrate increased. Kamali, zandparsa 2017 estimation of sugar beet yield and its dry matter partitioning under different irrigation and nitrogen level. Materials and methods this study was carried out in two locations. Dry matter partitioning and quality of miscanthus, panicum, and saccharum genotypes in arkansas, usa5 david m. Dry matter partitioning at harvest and yield of maize zea. Material partitioning coefficient into leaf and stem. However, the size often correlates with the age of an organ, which might have led to an apparent relationship between sink size and sink strength. The model estimates the fractions of total available dry matter that should.
Study of dry matter partitioning into leaf, stem and pod at different oilseed rape cultivars pooya arvin 1, mehdi azizi 2, rana firuzeh 3 1department of agriculture. Nitrogen is one of the most important nutrients for plant growth which affects the dry matter accumulation and partitioning. Days to tasseling, silking and physiological maturity delayed, plant height and. Dry matter partitioning at pretasseling g plant1 data regarding dry matter partitioning in stem, leaves and total dry matter tdm at pretasseling is demonstrated in table 1. Simulation of dry matter accumulation, partitioning and. Beneficial microbes and phosphorus management influence dry matter. Partitioning of dry matter, proline accumulation, chlorophyll content and antioxidant activity of chickpea cicer arietinum l.
Crop loads were 0, 1, 2, 4, or 6 clustersvine with all laterals removed to eliminate intravine. Removal of tubers will enhance the tuberization of any remaining stolon tips. Study of dry matter partitioning into leaf, stem and pod at different oilseed rape cultivars. Pdf study of dry matter partitioning into leaf, stem and. Growth and dry matter partitioning of pinot noir vitis. Factors affecting dry matter yield and pyrethrin content. Dry matter partitioning to stem at full maturity affects. Dry matter partitioning during early phases of development has potentially a large impact on crop growth, but the effect of partitioning on dry. An experiment was carried out within a crop of spring wheat cv. Distribution coefficient for cumulative leaf dry matter versus cumulative total shoot dry matter was obtained by using regression fit table 1. Dry matter partitioning and harvest index of maize crop as.
Dry matter partitioning and quality of miscanthus, panicum. The plants were grown in a substrate in which 100, 150, 200 and 300 ppm of fe were added. A manual of methodology for the exploration and assessment of multipurpose trees mpts. Department of agronomy, the university of agriculture peshawar, pakistan corresponding authors. Condor to examine dry matter partitioning between the developing stem and ear, and to estimate the magnitude of carbon stored in the stem both before and after anthesis, and the subsequent utilization of these reserves during grain growth. Nutrient uptake and partitioning by dry beans in manitoba. Influence of crop load on photosynthesis and dry matter. Dry matter production and partitioning in potato plants.
Pdf drymatter partitioning across parts of the wheat internode. Response of dry matter accumulation in maize to temperature. Dry matter partitioning and residue n content for 11 major. Developmental and environmental control of drymatter. For dry matter measurements shoots and roots were dried separately for 48 h at 60 c, and then weighed. Pdfdownload giao trinh hoa ly va hoa keo nguyen huu. Dry matter and nitrogen accumulation, partitioning, and. If the industry is to expand, consistency in production is.
Their potential growth in size length, width, diameter and dry mass depends on temperature and. Dry matter accumulation, partitioning and nitrogen uptake. Nutrient uptake and partitioning by dry beans in manitoba john heard and bruce brolley manitoba agriculture, food and rural initiatives john. Pis 11 where pis and pir are the shoot and root partitioning indices, respectivelyfig 1. Partitioning and accumulation in wheat triticum aestivum l. Dry matter and nitrogen accumulation, partitioning, and translocation in syntheticderived wheat cultivars under nitrogen deficiency at the postjointing stage author links open overlay panel miao liu a b c xiaoli wu a b c chaosu li a b c ming li a tao xiong a yonglu tang a b c. The sheep manure sm1 3 t ha1, sm2 4 t ha1, sm35 t ha1 and application timing. Dry matter partitioning, bris soil, nutrient allocation, kenaf varieties. Study of dry matter partitioning into leaf, stem and pod. In similar way, application of nitrogen up to 180 kg ha1 showed significant increase in dry matter production, partitioning to grain and nitrogen uptake. Modelling dry matter partitioning based on sink strengths of organs is promising, as it is a general, dynamic and. Environmental effects on dry matter partitioning between shoot and.
Combine harvest maturity, dry matter partitioning, soybean, stem desiccation. Dry matter and nitrogen n and potassium k partitioning were determined in the roots and trunks of five and sixyearold fieldgrown thompson seedless grapevines over the course of two growing seasons using destructive harvests. Light interception, light use efficiency, dry matter production and loss, duration of growth, and dry matter partitioning. Carbon and nutrient stocks of tea plantations differing in age. Pdf estimation of sugar beet yield and its dry matter.
However fruit harvest dry matter dm is fast becoming a valuable indicator of quality. When both p and k were deficient, partitioning approximated that under non. Beleskyd ausdaars, dale bumpers small farms research center, 6883 south state highway 23, booneville, ar 72927, united states busdaarssouthern regional research center, sugarcane research unit, 5883 usda road. How to combine multiple partitions into a single partition. In these experiments, the effects of the plant growth regulator paclobutrazol upon tillering, lodging, dry matter partitioning, and seed yield were investigated under controlled environment and field conditions. The chlorophyll content index, dry matter, and root. Linn and pennfine perennial ryegrasses under dry conditions 1982 lodged after anthesis with no significant effect upon yield. The partitioning of assimilates to the various crop organs leaves, stems, storage organs has a strong effect on crop growth. Tillering, lodging, dry matter partitioning, and seed.
Harvest maturity shown by the day at which the moisture content of seed reached 14% tekrony et al. Dry matter and nutrient partitioning of kenaf hibiscus. Dry matter partitioning in this study, the total dm accumulation and partitioning greater amounts into various plant parts was observed with the application of higher p 80 and 120 kghm 2 and zn rates 10 and 15 kghm 2, and the increase was more when both. Select multiple pdf files and merge them in seconds. The dry matter concentration d and the dry matter content dmc of a plant or plant organ are therefore. Simulation of leaf area development based on dry matter partitioning. Effective use of water and increased dry matter partitioned to. Combining these two allometric relationships yields equa tion 6c. I have developed a model to describe the dynamic partitioning of dry matter in individual trees, and used it to investigate the effects of growth conditions on the partitioning pattern in douglasfir pseudotsuga menziesii mirb. Box,193953697, tehran, iran 2agriculture and natural resources research station of torogh, mashhad, iran. The partitioning indices for shoots and roots are the proportions of total plant dry matter weight partitioned to the shoots and roots scholberg et al. Partitioning of dry matter to tubers was markedly reduced by k deficiency and increased in one experiment by p deficiency.
Dry matter partitioning in six potato genotypes with diverse growth habit, duration and yield potential was estimated from the trials undertaken in two distinct sowing windows during three. Partitioning of dry matter and nutrients in kenaf provides a means to select better varieties and makes it possible to grow kenaf on bris soil using better fertilizer program. Dry matter partitioning into cucumber fruits correlates with the total fruit weight sink size, which might indicate a correlation between sink size and sink strength. Slan, calculated as the slope of a linear regression between periodic measurements of leaf dry mass ldm and lai, showed a significant linear increase with. Manual for the preparation and sale of fruits and vegetables. Rice yield was positively correlated with d ry matter production and nitrogen uptake. Leaf area formation and organ initiation are simulated as a function of temperature sum.
Pdf drymatter transportation and redistribution is an important factor influencing grain weight during the grain filling period. Modelling cereal root systems for water and nitrogen capture. Manual series no 1, international institute of tropical agriculture, ibadan, nigeria, pp. Combining ability analysis was conducted using line x tester design in maize inbred lines for yield and yield contributing traits.
Dry matter partitioning an overview sciencedirect topics. Simulation of dry matter accumulation, partitioning and yield. Rate of determination coefficient r2 and coefficient of variation cv of leaf was defined. An accurate prediction of dry matter partitioning into the leaves and slan is needed, as both have a strong positive feedback on lai and total biomass production. Dry matter partitioning and residue n content for 11 major field crops in canada adjusted for rooting depth and yield. You can combine these partitions into a single one, if you prefer. Plant dry matter accumulation determines the biological yield of rice, and the translocation of the photosynthesis production into the panicle determines the economic yield. Single leaf photosynthesis, whole vine photosynthesis measured in a whole plant chamber, dry matter partitioning, and several morphological indices were measured at four phenological stages of development on twoyearold, ownrooted seyval grapevines adjusted to five different crop loads. First, since there is a linear relationship between weight and area of leaves sla, the amount of assimilates partitioned to leaves affects the surface area of leaves. Hepper biosorption of heavy metals by cyanobacteria economics studies of bio fertilizers and n, p, k treated strawberry fragaria x ananassa duch. Modelling dry matter production and partitioning in sweet. Radiation interception, photosynthesis, respiration, water use, and nutrient uptake are influenced either directly or indirectly by partitioning.
Partitioning of dry matter and the deposition and use of. At the initial stages of tuberization, the balance of dry matter partitioning starts to shift from the shoot to the tubers. Whole plant photosynthesis, development, and carbon. At the early stages of this shift, tuber initiation is most probably source regulated. Dry matter accumulation and nitrogen and potassium. Data analysis clarified that stem dry matter was significantly influenced by different sheep. Whole plant photosynthesis, development, and carbon partitioning in potato as a. Light interception can be modeled based on plant lai in most cropping situations. The basic hypothesis was that increase in degree of soil heating would bring about changes in soil properties, increase plant height, leaf area and would therefore increase the efficiency in dry matter production and partitioning.
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