USAID DEC
The tomato (Lycopersicon spp.)
47 pages

Abstract
is a widely cultivated and consumed crop. It is a member of the nightshade family and is native to the Americas. The tomato is a versatile fruit that can be eaten fresh, cooked, or used in a variety of products such as sauces, soups, and salads. Descriptors for Tomato 1.1 Accession number (1.1) This number serves as a unique identifier for accessions in the genebank. It is assigned when an accession is entered into the collection. 1.2 Donor name (1.4) Name of the individual or organization responsible for donating the germplasm. 1.3 Donor number (1.5) Number assigned to an accession by the donor. 1.4 Other number(s) associated with the accession (1.6) Any other identification number known to exist in other collections for this accession. 1.5 Scientific name (1.2) The scientific name of the accession, including the genus, species, subspecies, and botanical variety. 1.6 Pedigree Parentage or nomenclature, and designations assigned to breeders' material. 1.7 Cultivar name (1.7.1) A registered or other formal cultivar designation given to the accession. 1.8 Breeding method (Self) The method used to breed the accession, such as pedigree selection, bulk, single seed descent, backcross, or other. 1.9 Acquisition date (1.10) The date on which the accession entered the collection. Accession size Approximate number or weight of seeds of the accession in the genebank. 1.11 Type of material received The type of material received, such as zygotic embryo, seed, plant, fruit, or other. 1.12 Notes Any additional information specified here. 2.1 Collecting descriptors 2.1 Collecting institute(s) Institute(s) and sponsoring organization collecting the sample. 2.2 Site number Number assigned to the physical site by the collector. 2.3 Collecting number Original number assigned to the sample, normally composed of the collector's name or initials followed by a number. 2.4 Collecting date of original sample [DDMMYYYY] The date on which the sample was collected. 2.5 Country of collecting Country in which the sample was collected. 2.6 Province/State Primary administrative subdivision of the country in which the sample was collected. 2.7 Department/County Secondary administrative subdivision of the country in which the sample was collected. 2.8 Location of collecting site Distance in kilometers and direction from the nearest town, village, or map grid reference point. 2.9 Latitude of collecting site Degrees and minutes followed by North or South. Longitude of collecting site Degrees and minutes followed by East or West. Elevation of collecting site Elevation of the collecting site above sea level. Collecting source Source of the sample, such as wild, farm, institute, or other. 2.13 Status of sample Status of the sample, such as wild, weedy, primitive cultivar, or other. 2.14 Number of plants sampled 2.15 Local vernacular name Name given by farmer to crop and cultivar/landrace. 2.16 Ethnic group Name of the tribe of the farmer or ethnic group living in the area of collecting. 2.17 Number of seeds collected 2.18 Plant population density Density of the plant population. 2.19 General appearance of population 2.20 Population isolation Isolation of the population. 2.21 Collector's notes 2.22 Other (specify in descriptor 2.31 Collector's notes) Other information specified here. 2.23 2.24
Connected topics
Classification