cadamba, Mitragyna parvifolia and Literally Example: Ficus sp. The lateral axes branches This is true cyme. Study Material, Lecturing Notes, Assignment, Reference, Wiki description explanation, brief detail. Function of inflorescence is to display the flowers for effective pollination and facilitate seed dispersal. The grass inflorescence is the primary food source for humanity, and has been repeatedly shaped by human selection during the domestication of different cereal crops. single kind of florets. 1994. and radish. Google Scholar, Brown DG, Vision T (2000) MapPop 1.0: software for selective mapping and bin mapping. Archeological evidence has identified regions … Abstract. Grain is usually partially covered by glumes. The genus Sorghum consists of 24 diverse species. Simple Statistical Genetics, NCSU, Zhang S, Hu W, Wang L, Lin C, Cong B, Sun C, Luo D (2005) TFL1/CEN-like genes control intercalary meristem activity and phase transition in rice. Example: Heliotropium. indeterminate, group of sessile or sub sessile flowers arising on a receptacle, Very little is known about the antiquity of sorghum (Doggett, 1965). staminate flowers at the periphery. The grass inflorescence is the primary food source for humanity, and has been repeatedly shaped by human selection during the domestication of different cereal crops. Pre-cultured immature embryos (1 to 5 days), immature inflorescence (0.5 to 5 cm) and Eight characterized genes that are known to control inflorescence architecture in maize (Zea mays L.) and other grasses were mapped in sorghum. Height of the plant varies from 0.5 to over 4.0 metres. The earliest known record of sorghum comes from an archeological dig at Nabta Playa, near the Egyptian-Sudanese border, dated 8,000 B.C. Plant Mol Biol 48:601–613, Sanchez AC, Subudhi PK, Rosenow DT, Nguyen HT (2002) Mapping QTLs associated with drought resistance in sorghum (Sorghum bicolor L. Moench). This is why it is also known as an indefinite or indeterminate inflorescence. Types of Inflorescence Based on branching pattern and other characters, The central axis of the inflorescence (peduncle) stage. Disc floret has stamen and pistil only. Male flowers are present nearer to the ostiole, female and It is of 1. It is also called ament. verticilliflorum, which is commonly distributed in Africa. Collectively known as fig trees this shows a special type of inflorescence known as the Hypanthodium where the receptacle is fleshy and forms hollow ball like structure with an apical opening. Sorghum belongs to the grass family, Graminea . possesses terminal bud which is capable of growing continuously and produce - 89.22.106.31. Each flower base and younger flowers and buds Plant Cell Physiol 46:69–78, Bortiri E, Chuck G, Vollbrecht E, Rocheford T, Martienssen R, Hake S (2006) ramosa2 encodes a LATERAL ORGAN BOUNDARY domain protein that determines the fate of stem cells in branch meristems of maize. florets. The spikelet meristem (SM) plays a central role during the development of grass inflorescence. Trends Plant Sci 10:297–304, Salvi S, Tuberosa R, Chiapparino E, Maccaferri M, Veillet S, van Beuningen L, Isaac P, Edwards K, Phillips RL (2002) Toward positional cloning of Vgt1, a QTL controlling the transition from the vegetative to the reproductive phase in maize. Proc Natl Acad Sci 100:13099–13104, Upadyayula N, da Silva HS, Bohn MO, Rocheford TR (2005) Genetic and QTL analysis of maize tassel and ear inflorescence architecture. called ostiole which is covered by a ii. Example: Acalypha hispida, Prosopis juliflora, Piper nigrum. Example: Allium cepa, Centella asiatica, Memecylon umbellatum. Native of jower is Africa (Ethiopia & Sudan) 30. It is able to adapt to dry regions with more unreliable rainfall because of its drought resistance. in some members of node. Part of Springer Nature. Individual flower units are called Spikelets; The central axis of the inflorescence is called a rachis Development 130:3841–3850, Komatsu K, Maekawa M, Ujiie S, Satake Y, Furutani I, Okamoto H, Shimamoto K, Kyozuka J (2003b) LAX and SPA: major regulators of shoot branching in rice. Amorphophallus, Colocasia, Phoenix, Cocos. Theor Appl Genet (in press), Gallavotti A, Zhao Q, Kyozuka J, Meeley RB, Ritter MK, Doebley JF, Pe ME, Schmidt RJ (2004) The role of barren-stalk1 in the architecture of maize. Genetics 160:333–341, PubMed  They are, Terminal : Example: The development and spread of five different races of sorghum can, in many cases, be attributed to the … Here, we present acomparative ontogeny of terminal inflores-cence development in closely related grasses with generally unrelatable morphological stages. A group of bracts present In 2010, more than 60 million tons were produced from approximately 50 million ha around the world. Sorghum {Sorghum vulgäre Pers.) Thyrsus: It is a Monochasial Jowar (Sorghum bicolor L. Moench) is an annual plant belonging to family Gramineae. Inflorescences in which both Hypanthodium: Receptacle is a hollow, globose structure consisting unisexual flowers present on the Example: Ocimum, Anisomeles. Collectively known as fig trees this shows a special type of inflorescence known as the Hypanthodium where the receptacle is fleshy and forms hollow ball like structure with an apical opening. The shape and colour of the panicle varies between cultivars. Two of these candidate genes, Dw3 and the sorghum ortholog of ramosa2, co-localized precisely with QTL of large effect for relevant traits. https://doi.org/10.1007/s00122-006-0352-9, DOI: https://doi.org/10.1007/s00122-006-0352-9, Over 10 million scientific documents at your fingertips, Not logged in An (Banyan and Pipal). Example: Paddy, Wheat, Barley, Sorghum. Plant J 14:381–385, Multani DS, Briggs SP, Chamberlin MA, Blakeslee JJ, Murphy AS, Johal GS (2003) Loss of an MDR transporter in compact stalks of maize br2 and sorghum dw3 mutants. Genetics 141:391–411, Menz MA, Klein RR, Mullet JE, Obert JA, Unruh NC, Klein PE (2002) A high-density genetic map of Sorghum bicolor (L.) Moench based on 2926 AFLP, RFLP, and SSR markers. (convex or concave) or globose. , Hmon et al. The axis of inflorescence is elongated and contains This is the case for subtribe Saccharinae (Poaceae: Andropogoneae), which includes sugarcane (Saccharum) and sorghum (Sorghum).We present a phylogenetic and taxonomic account of the Malagasy endemic genus Lasiorhachis, previously included in Saccharum.New plastome and nuclear sequences were … Each branch is a spikelet. Immature embryos at milk stage of endosperm, usually 1.2 to 2.5 mm long, were used for inoculation. Inflorescence of Jowar (Sorghum) is [Wardha 2001] A) Capitulum done clear. lateral flowers is called, inflorescence is covered by a brightly coloured or c.         Genetics 162:917–930, Stephens JC, Miller FR, Rosenow DT (1967) Conversion of alien sorghums to early combine genotypes. terest in sorghum as a drought-tolerant biofuel and animal feed grows [28], generating elite plant architectures will require an improved understanding of inflorescence gene function [29–31]. Most guinea sor- main axis elongated type. regia. The following types are discussed under 2. functions? Brown. pair of inflorescence bracts called glumes It invades the growing points of young plants, either through oospore or conidial infection. dichasium (Biparous): A central that the whorl of bracts forms a cup like structure beneath mimicking the i. Homogamous Plant Cell 18:574–585, Bout S, Vermerris W (2003) A candidate-gene approach to clone the sorghum Brown Midrib gene encoding caffeic acid O-methyltransferase. head which are ligulate pistilate branching, number and arrangement of flowers, and some specialized structures. There are two subspecies in New England. Sorghum is also known as guinea corn and it is a staple food in the drier parts of tropical Africa. Corymb: An inflorescence with shorter inflorescence. Mol Genet Genom 269:205–214, CAS  Three types of flowers develop on the inner surface of the receptacle with female flowers towards the base, male flowers towards the orifice and short styled sterile female flowers in between. Cyathium may f. Two of these candidate genes, Dw3 and the sorghum ortholog of ramosa2, co-localized precisely with QTL of large effect for relevant traits. Crop wild relatives are important but often poorly known. Of all major cultivated cereals, sorghum [Sorghum bicolor (L.) Moench] shows the most striking variation in inflorescence architecture traits such as branch number and branch length, but the genetic basis of this variation is little understood. fleshy or thickened central axis that possesses many unisexual sessile flowers Eight characterized genes that are known to control inflorescence architecture in maize (Zea mays L.) and other grasses were mapped in sorghum. A small,simple dichasium is called cymule, 5. Sorghum is an important tropical cereal, ... Inflorescence branches the flowers are attached to branches rather than to the main axis of the inflorescence ... Subspecies bicolor is known from CT, MA, RI, VT. Compound umbel: It is a branched umbel. Fabaceae-Mimosoideae. of some plants show a combination of indeterminate and determinate pattern, IV. Spikeletes are characteristic of Poaceae (Gramineae) or Grass family, e.g., grasses, wheat, barley, oats, sorghum, sugarcane, bamboo, etc. Sorghum is also known as guinea corn and it is a staple food in the drier parts of tropical Africa. The literature dealing with its history, geographic distribution, and botanical description of varieties is extensive. The MORPH Research Coordination Network provided financial assistance to PJB. Plant Physiol 125:1517–1528, Kaplinsky NJ, Freeling M (2003) Combinatorial control of meristem identity in maize inflorescences. It may be helicoid (bostryx) Plant Physiol 113:611–619, Chuck G, Meeley RB, Hake S (1998) The control of maize spikelet meristem fate by the APETALA2-like gene indeterminate spikelet1. grandiflorum and axillary in Hibiscus. Diseases of Sorghum Downy Mildew - Peronosclerospora sorghi Symptoms The fungus causes systemic downy mildew of sorghum. Example: Paddy, Wheat, Barley, Sorghum. The However, the manual collection of inflorescence The stalk of the flower is known as pedicel whereas, that of the inflorescence is known as a peduncle. of maize inflorescence. Key words: Allelopathy, residues, sorghum stem, maize inflorescence, Abelmoschus esculentus. terminal shoot. In sorghum, the inflorescence, also known as panicle, consists of a main rachis on which many primary branches develop. male flowers are found at the apex. Each compound dichasium consists of seven flowers. Sweet sorghum is also known as cane and can be used for making sugar, syrup, and molasses. Copyright © 2018-2021 BrainKart.com; All Rights Reserved. The inflorescence of sorghum is a panicle, which is commonly known as heads. PMT 2004] A) Cyathium done clear. 2. are towards the apex. Genetics 169:1659–1672, Doyle J, Doyle JL (1987) Genomic plant DNA preparation from fresh tissue: CTAB method. Such whorl of bracts is called involucre. Example: Crotalaria retusa, mustard Domestication has played an important role in shaping characteristics of the inflorescence and plant height in cultivated cereals. Open inflorescences dry quickly and readily after rain and are thus less vulnerable to damage by fungi that grow on sorghum in-florescences and grain. 1. 2. further growth is by means of axillary buds. The flower and inflorescence are The main axis of the inflorescence together with the latest axes, if … Where is the inflorescence present in a plant? Mixed inflorescence: Inflorescence of some plants show a ... Each flower has stamen and pistil only. Based on position of inflorescences, it may be or capitulum is a determinate or Sorghum is a genus of flowering plants in the grass family Poaceae.Seventeen of the 25 species are native to Australia, [2] [3] with the range of some extending to Africa, Asia, Mesoamerica, and certain islands in the Indian and Pacific Oceans. Subscription will auto renew annually. A Genome Res 14:1916–1923, Thornsberry JM, Goodman MM, Doebley JF, Kresovich S, Nielsen D, Buckler ES (2001) Dwarf8 polymorphisms associate with variation in flowering time. Maize is unique among cereals in that it has a male inflorescence borne at the terminus of the culm and consisting of panicle of staminate racemes, and one or more female inflorescences born as a … This document is intended to provide background information on the biology of cultivated Sorghum bicolor, its identity, geographical distribution, reproductive biology and ecology, related species, the potential for gene introgression from S. bicolor into sexually compatible relatives, and details of the life forms with which it interacts. only by stamens and female flower is represented only by pistil. In: Helentjaris T, Burr B (eds) Development and application of molecular markers to problems in plant genetics. Sorghum bicolor The inflorescence of sorghum is an open panicle of spikelet pairs. The shape and colour of the panicle varies between cultivars. PMT 2004] A) Cyathium done clear. is present at the base. Algorithms trained on sorghum data are able to accurately classify maize leaves and stalks, but fail to accurately classify maize reproductive organs which are not directly equivalent to sorghum panicles. Example: Jasminum. New Phytol 154:15–28, Article  Apex Three types of flowers develop on the inner surface of the receptacle with female flowers towards the base, male flowers towards the orifice and short styled sterile female flowers in between. further. flowers in acropetal succession. Brown, P.J., Klein, P.E., Bortiri, E. et al. a. two opposite lateral sessile cymes at the axil of the node,each of it produces volume 113, pages931–942(2006)Cite this article. Heterogamous it is a small spike. racemose and cymose patterns of development occur in a mixed manner. The cyathia are sometimes solitary, but are usually in cymes, inflorescences of the second order, in pseudumbels, on dichotomously branched stalks or in so-called simple cymes which consist of one central and two lateral cyathia. The grass inflorescence is the primary food source for humanity, and has been repeatedly shaped by human selection during the domestication of different cereal crops. Examples: wheat, barley, sorghum, oats etc. Example: Hibiscus It is an important crop in the arid and semi-arid regions of the world and it is primarily used in Brazil as a supply for an increasing livestock market. When the main axis of raceme is branched and the lateral branches bear the flowers, the inflorescence is known as compound raceme or panicle, e.g., neem (Azadirachta indica), gul-mohar (Delonix regia), etc. (BS) Developed by Therithal info, Chennai. Curr Opin Plant Biol 8:155–162, Doggett H (1988) Sorghum, 2nd edn. III. CAS  Institute for Genomic Diversity, Cornell University, 158 Biotechnology Building, Ithaca, NY, 14853, USA, P. J. Brown, C. B. Acharya & S. Kresovich, Department of Plant Biology, Cornell University, Ithaca, NY, 14853, USA, Institute for Plant Genomics and Biotechnology, Texas A&M University, College Station, TX, 77843, USA, Department of Horticulture, Texas A&M University, College Station, TX, 77843, USA, Plant Gene Expression Center, Department of Plant and Microbial Biology, University of California-Berkeley, Albany, CA, 94710, USA, Department of Soil and Crop Sciences, Texas A&M University, College Station, TX, 77843, USA, You can also search for this author in in acropetal succession. It is further divided into 3 types based on growth pattern of main axis. tubular and bisexual whereas the ray Observe the inflorescence of Jackfruit and Canon The inflorescence of sorghum is a compact panicle. Development 130:2385–2395, Bommert P, Satoh-Nagasawa N, Jackson D, Hirano H-Y (2005) Genetics and evolution of inflorescence and flower development in grasses. Fig. It was introduced to North America during the slave trade. or Verticillaster: Main axis bears C) Syconus done clear. Introduction Allelopathy is a biological process by which plants produce one or mor e biochemicals known as allelochemicals that influence the growth and survival of other plants 21. Example: Acalypha hispida, Prosopis juliflora, Piper nigrum. or zygomorphic (Example: Pedilanthus.). The palea (also known as superior palea) often with two longitudinal ridges (keels or nerves), stands between the lemma and the rachilla. The inflorescence of guinea sorghums is often very open. Special But an inflorescence is a group of flowers arising from a branched or Inflorescence architecture is a major agroclimatic trait that, in part, defines the major morphological types in sorghum . Native to Sahel region of Africa; naturalized in many places grouping of flowers in one place gives a better attraction to the visiting Sorghum is a monocot plant that belongs to the grass family. the apex. Proc Natl Acad Sci 95:1979–1982, Lauter N, Doebley JF (2002) Genetic variation for phenotypically invariant traits detected in teosinte: implications for the evolution of novel forms. Its cultivation is being threatened by competition from maize cultivation and the problem of the parasitic weed, Striga spp. florets found at the margin of the Example: Cauliflower. Have you seen a bouquet being used during Plant Physiol 125:1788–1801, Hamblin MT, Salas Fernandez MG, Casa AM, Mitchell SE, Paterson AH, Kresovich S (2005) Equilibrium processes cannot explain high levels of short- and medium-range linkage disequilibrium in the domesticated grass Sorghum bicolor. the following two types. which do not confined to these patterns. Origin of Sorghum. is a plant of ancient lineage, well established as an economic crop even in the earliest civilizations. Each panicle contains from 800 to 3 000 kernels, which are usually (bracteole). The grass inflorescence is the primary food source for humanity, and has been repeatedly shaped by human selection during the domestication of different cereal crops. unbranched axis with a definite pattern. The inflorescences do not show any of the Sorghum is an important tropical cereal, native to Africa and widely cultivated in tropical and subtropical Africa and Asia. Google Scholar, Bedell JA, Budiman MA, Nunberg A, Citek RW, Robbins D, Jones J, Flick E, Rohlfing T, Fries J, Bradford K, MeMenamy J, Smith M, Holeman H, Roe BA, Wiley G, Korf IF, Rabinowicz PD, Lakey N, McCombie WR, Jeddeloh JA, Martienssen RA (2005) Sorghum genome sequencing by methylation filtration. Sessile flowers are formed in acropetal succession on the axis. A head Inflorescence present in the axile Sorghum bicolor (L.) Moench is a multipurpose food crop which is ranked among the top five cereal crops in the world, and is used as a source of food, fodder, feed, and fuel. The central axis of the inflorescence (peduncle) pseudo axis. Indefinite central axis bears lateral The inflorescence … Correspondence to When the main axis of raceme is branched and the lateral branches bear the flowers, the inflorescence is known as compound raceme or panicle, e.g., neem (Azadirachta indica), gul-mohar (Delonix regia), etc. B) Catkin done clear. : Sorghum is predominantly self-pollinated crop, in which cross-pollination ranges from 5% to 15% with an average of about 6%. ‘Raceme of cymes’. Inflorescences may also have classified based on Sessile flowers (spikelets) are present on the branched main-axis. hard bract called a, The main axis of inflorescence is mostly flattened The plant is an annual herb, 1 - 4.5 m in height, with alternate and sheathing leaves. b. Umbel: Flowers and glumes are arranged on the spikelet in two opposite rows. It may be terminal or cyme (solitary): Determinate inflorescence consists of a single flower. On the flip side, the inflorescence is made up of flowers, stems, stalks, and bracts. Each sessile flower has a lemma (bract) and a palea possesses terminal bud which is capable of growing continuously and produce 3. Each cymose unit consists of three flowers of which central one is old one. Sorghum bicolor, commonly called sorghum (/ ˈ s ɔːr ɡ ə m /) and also known as great millet, durra, jowari / jowar, or milo, is a grass species cultivated for its grain, which is used for food for humans, animal feed, and ethanol production.Sorghum originated in Africa, and is now cultivated widely in tropical and subtropical regions. be actinomorphic (Example: Euphorbia) Genetics 161:373–379, Michaels SD, Amasino RM (1998) A robust method for detecting single-nucleotide changes as polymorphic markers by PCR. axillary. It is further divided into 3 types based on growth unbranched main axis bears pedicellate Example: Helianthus, Tridax. Which crop is known as camel crops - Sorghum 29. beneath the sub unit of inflorescence is known as Involucel. (convex or concave) or globose. Male flowers are organised in a scorpioid manner. Sorghum bicolor is one of the most important cereals in the world after rice, maize, wheat and ... using equipment known as "gene gun" (Sandford et al. Panicles are carried on a main stem or peduncle with primary and secondary branches on which the florets are borne. Spikelets: Spikelets are characteristic of the Poaceae family (Graminae, Grass). B) Verticillaster done clear. Spikeletes are characteristic of Poaceae (Gramineae) or Grass family, e.g., grasses, wheat, barley, oats, sorghum, sugarcane, bamboo, etc. Google Scholar, Lin Y-R, Schertz KF, Paterson AH (1995) Comparative analysis of QTLs affecting plant height and maturity across the Poaceae, in reference to an interspecific sorghum population. type of inflorescence exhibits florets at the centre of the head are 3. Heavily attacked grain loses much of … 2. pollinators and maximize the energy of the plant. Plant Sci 168:1393–1408. B) Inflorescence with reduced growth of central axis. The main characteristics are: Growth of the main axis (peduncle) is indefinite and continues to produce a … In sunflower, you may notice Example: Vernonia, Ageratum or Ray florets alone. Mixed Google Scholar, Ikeda K, Sunohara H, Nagato Y (2004) Developmental course of inflorescence and spikelet in rice. A, Vegetative Morphology of Angiosperm : Summary, Reproductive Morphology of Angiosperm : Introduction, Types of Inflorescence Based on branching pattern and other characters. COM1’s contribution to this identity signal is also its newly discovered function, which is not found in other grasses such as rice, maize, sorghum or twigs (Brachypodium distachyon L.). However, large-scale planting on marginal lands would require improved varieties with optimized biofuel-related traits and tolerance to biotic and abiotic stresses. Racemose is a type of an inflorescence where the main axis continues to grow indefinitely and does not terminate in flower. Cold Spring Harbor Lab Press, New York, pp 81–87, Salvi S, Tuberosa R (2005) To clone or not to clone plant QTLs: present and future challenges. b.       lateral flowers is called racemose inflorescence. These allelochemicals when Plant Mol Biol 48:713–726, Stam M, Belele C, Ramakrishna W, Dorweiler JE, Bennetzen JL, Chandler VL (2002) The regulatory regions required for B’ paramutation and expression are located far upstream of the maize b1 transcribed sequences. head: The inflorescence possesses both types of http://www.bio.unc.edu/faculty/vision/lab/mappop/, Childs KL, Miller FR, Cordonnier-Pratt MM, Pratt LH, Morgan PW, Mullet JE (1997) The sorghum photoperiod sensitivity gene, Ma3, encodes a phytochrome B. A terminal old flower develops lateral simple dichasial cymes on http://www.bio.unc.edu/faculty/vision/lab/mappop/, https://doi.org/10.1007/s00122-006-0352-9. Rice, oats, sorghum and the millets are examples of paniculate species. ball tree. It is able to adapt to dry regions with more unreliable rainfall because of its drought resistance. Female flower is Sympdial Cyme: In monochasial cyme, successive axes a. Example: Acacia Disc It originates from South Egypt, where cultivation of sorghum started at least 8.000 years ago. A3. Inflorescence (panicle) The inflorescence of sorghum, the panicle, may be compact or open. Achlamydeous flowers are flowers without a perianth. Usually female flowers are found towards the base and P. J. Additionally, sorghum homologs of maize (Zea mays) and rice (Oryza sativa) genes known to affect inflorescence architecture are enriched in the vicinities of TASs. 1987). It is also called Compound raceme or raceme of racemes. The maximum area & Production of jowar is in Maharashtra 31. of small unisexual flowers enclosed by a common involucre which mimics a single Compound dichasium: It has many Theor Appl Genet 113, 931–942 (2006). an  unbranched indeterminate inflorescence with sessile flowers. Sorghum can be found in the warm climate around the world today. In the cereal crop sorghum ( Sorghum bicolor ) inflorescence morphology variation underlies yield variation and confers adaptation across precipitation gradients, but its genetic basis is poorly understood. Example: terminal in Trillium Plant Mol Biol 48:483–499, Meuwissen THE, Karlsen A, Lien S, Olsaker I, Goddard ME (2002) Fine mapping of a quantitative trait locus for twinning rate using combined linkage and linkage disequilibrium mapping. Sorghum is very susceptible to damage by storage pests, the main ones being greater grain weevils, in particular the rice weevil (Sitophilus oryzae), the flour beetle (Tribolium castaneum) and the grain moth (Sitotroga cerealella). Science 298:1238–1241, Clark RM, Linton E, Messing J, Doebley JF (2004) Pattern of diversity in the genomic region near the maize domestication gene tb1. Asteraceae and is also found in some members of Rubiaceae. Sorghum angustum – Queensland Sorghum arundinaceum – Africa, Indian Subcontinent, Madagascar, islands of the western Indian Ocean Sorghum bicolor  – cultivated sorghum, often individually called sorghum, also known as durra, jowari, or milo. Crop Sci 12:172–176, Article  unisexual or bisexual flowers. Genetics 171:1247–1256, Harlan JR, De Wet JMJ (1972) A simplified classification of cultivated sorghum. series of bracts. Polychasial Cyme (multiparous): The central axis ends with a flower. The inflorescence of the broom corn plant is used for making household brooms. or tubular floret. flowers. Toggle navigation 0 ... Inflorescence of Jowar (Sorghum) is [Wardha 2001] A) Capitulum done clear. CAS  It is also called ament. a characteristic inflorescence of The grass inflorescence is the primary food source for humanity, and has been repeatedly shaped by human selection during the domestication of different cereal crops. Of all major cultivated cereals, sorghum [Sorghum bicolor (L.) Moench] shows the most striking variation in inflorescence architecture traits such as branch number and branch length, but the genetic basis of this variation is little … repeatedly. Phytochem Bull 19:11, Feltus FA, Hart GE, Schertz KF, Casa AM, Kresovich S, Klein PE, Paterson AH (2006) Alignment of genetic maps and QTLs between inter- and intra-specific sorghum populations. Group of flowers arranged together on our preference is a bouquet. Domestication has played an important role in shaping characteristics of the inflorescence and plant height in cultivated cereals. Analysis of Lolium temulentum genes related to APETALA1 and LEAFY of Arabidopsis. Spikelet: 4. Sweet sorghum is a promising target for biofuel production. Compound spike is known as the spike of spikelets. central axis and pedicellate flowers arise from a common point of peduncle at e. The Example: Raceme of Nerium Most of the broom corn raised for making brooms is currently grown in and imported from Mexico. Aside from these limitations, sorghum inflorescence phenotyping via XRT represents a more powerful, objective, and quantitative way of measuring panicle features compared with previous approaches. classified into three major types. a. The peduncle is usually straight and its length varies from 75 to 500 mm. We thank Toby Kellogg, Sarah Hake, and Gael Pressoir for critical advice, Robert Klein for providing plant materials, Delilah Wood for assistance with scanning electron microscopy, and Mark Sorrells and David Benscher for providing threshing equipment. This crop is absent from the ancient tombs of Egypt and from excavated early farming sites in the Near East.

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