A standardization of terminology for the morphological description of corn seedlings. The leafy stalk of the plant produces pollen inflorescences and separate ovuliferous inflorescences called ears that yield kernels or seeds, which are fruits. Uptake, transport and metabolism of phosphates by individual roots of zea mays l. At all stages of growth, the root system of dh661 were about twice as that of zd958 which should result in greater ability to explore the soil for water and nutrients. Taller plants with more leaves need a larger growing area and lower plant density than shorter ones begna et al.
Read, highlight, and take notes, across web, tablet, and phone. Request pdf physical and chemical characteristics of blue corn from two races. Root dw for the two varieties reached a maximum at the vt stage fig. Morphological and physiological characteristics of corn. The functionally male florets are borne on the tassel.
The chemical accelerated tassel elongation as related to the control. K department of botany, open university of sri lanka, nawala, nugegoda, sri lanka abstract maize or corn zea mays l. Distinguished economic botanist address, presented to the 39th annual meeting of the society for economic botany, university of aarhus, denmark, july 15, 1998. Curvularia lunata, morphology, dna, restriction pro le. Baixe no formato doc, pdf, txt ou leia online no scribd. Several wild species are commonly known as teosintes and are native to mesoamerica. Owing to increased plant density, plant height and ear height may increase as the plants compete for light park et al. The dynamic changes in roots, shoot biomass, and rootshoot ratio throughout corn developmental stages are presented in fig. Physical and chemical characteristics of blue corn from. Zea, genus of five species of large grasses of the family poaceae, native to mexico and mesoamerica. Pdf morfologi tanaman jagung zea mays imam bachrul. The bestknown species is corn, or maize zea mays mays, which was derived from one of the mexican teosintes likely z. Recently teosinte the related genera of zea has been included as zea mexicana.
Morphology of flowers of zea mays 5 the male and female parts of this aborted flower make about equal development, the stamens being about as well developed as those of the functional female flower, and the pistil resembling that in the normal male flower. It has been an important food crop since ancient times, especially among the peoples of central and south america. The genus zea is considered to be monotypic previously. Blastable datasets include zea mays genomic dna, splicealigned transcripts and proteins, gene models, and other aligned sequences. We would like to show you a description here but the site wont allow us. Mays maize jt00147699 document complet disponible sur olis dans son format dorigine complete document available on olis in its original format envjmmono200311 unclassified english or.
Careful management is required to maximize field area allocated to female plants while ensuring sufficient quantities of pollen from the male parent are available to fertilize ovules on female plants. The report will display the kingdom and all descendants leading down to the name you choose. Maize is thought to have originated 5570 million years ago in what is now central or south america and has since diversified into nearly 10 000 nondomestic relatives. This document provides an overview of baseline biological information relevant to risk assessment of genetically modified forms of the species that may be released into the. Homeotic sexual translocations and the origin of maize zea mays, poaceae. Zea is a genus of flowering plants in the grass family. Usda, ars, germplasm resources information network. Although most grasses have bisexual florets the mature florets of z. A study on the impacts of corn cultivation zea mays l. Chapter 14 seeds and fruits university of california, davis. Family poaceae on the properties of soil perera, k. Spliced alignment of userspecified transcript datasets to genomic dna from any region in zmgdb.
Early people recognized the nutritional value of seeds and fruits, and they harvested them from wild plants, and later they figured out how to grow them for food. Contributions of zea mays subspecies mexicana haplotypes. A taxonomic species within the family poaceae maize or corn us, domesticated in central america, now grown worldwide. Homeotic sexual translocations and the origin of maize. These are most likely to be deficient where the ph is high. Use blastn, blastp, tblastn and tblastx to match a query sequence to zmgdb sequences. Zea mays maize, corn vincent major reference works.