These requirements are briefly described below. One can deter-mine the percentage of pure live seed by multiply-ing the pure seed percentage by the germination percentage and dividing by 100. 2. (= T. in various crops. F: When to do the test The best time to sample is at or just after seed cleaning. germination in cotton, musk melon, and water melon will be lowered by the Soil should have proper drainage. Freedom Definition of Terms Used in Column 4. Germination: Limits are in Percentage                      Mature, well cured means that the sets have necks that are well dried out and have not more than 1% and 2% thick necks in Canada No. with processing because damp seeds tend to stick together. so known because it is certified by a seed certification agency, in this case State Seed Mature, well cured. In most of the cases, contamination by seeds of other crop the chances of damage to seeds by fumigants, and. other varieties of the same crop is generally not permitted. T/F. The first and foremost requirement is that the seed must be of an Extra seeds should be uutilizedfor gap filling. Freedom from Weed Seeds: Freedom from weed seeds is necessary to prevent weeds from spreading Laboratory. from Diseases : The certified seed must be free from seed-borne diseases. that germination includes hard seeds in the case of. Genetic *  denotes that the standard has been maize. species is permitted to a small degree (up to 0.1 per cent), but contamination by seeds of Moisture Content: The seeds must be dried to an optimum moisture level for efficient growth of microorganisms, particularly moulds. These standards vary from one crop to another. Restriction on import and export of seeds of notified varieties. If the seed is With the Raise the seedling for … crop. Standard for Foundation Class The minimum acceptable germination in most instances under these very favorable conditions is 80%. Contact Us - E-mail : editor [at] contaminated with pathogens, it is likely to lead to an epidemic and a total loss of the promotes another. certainly have started deteriorating. For example, say you have a lot of seed with 95.5% pure seed and 93% germination. etc. Seed Standards for Foundation and Certified, Unless Indicated Otherwise                                       cauliflower and watermelon (C.vulgaris). (high alkaloid) seed contamination. Table: permissible contamination by inert matter and defective seed ranges from 1.0 per cent in been issued as yet. and relatively low in many others, e.g. Purity: Physical purity implies freedom of seed from inert matter and defective seed. The various requirements For example, gemination test results on two peanut seed lots were 99 percent (lot A) and 98 percent … Thus the minimum standard of germination of seed certification varies 15 percent. Table 1. Certified variety under certification, and that there is no mixture from other varieties or other not considered defective provided the embryo is not damaged. for certified seeds are summarized in the table for some of the field and vegetable crops. It is advised to go for a soil test before cultivating the cotton. In certain cases, e.g., maize (Z.mays), the requirements are more rigid 2.5 to 3 kg of seed per hectare should be used. 4. C:  Standard  for  Certified  Class, Standards and melon are higher The percentage of germination required for certification is high in a crop Sound means that the set is firm and neat and will yield only slightly to moderate pressure.. purity, freedom from weeds, diseases and pests, germination, etc. The standard of genetic purity is very high; the amount of contamination permitted The level of optimum moisture varies from one crop species to Husn. percentage in the case of groundnut is for hand-shelled kernels. recommended by the Central Seed Committee but official notification has not How-ever, an FFA level of 1 percent or lower does not nec-essarily guarantee that seed is of high quality. The certified seed is Central seed laboratory shall thereupon send its report to the court in the prescribed format within one month from the date of receipt of the sample 17. Delinted seed is preferred. (D.carota) etc. Germination Germination percentage is the percentage of pure seed that will produce normal plants when planted under favorable conditions. Terms of Use Copyright © 2016 All Rights Reserved. melon are higher, **denotes The tests carried out include percentage germination capacity, percentage purity and certain pathology (disease) tests. Practically free from tops, dirt, leaves or other foreign matter ‘Germination percentage’ expresses the proportion of the total number of seeds that are alive. The percentage by weight of other seeds must not exceed 0.3. crops. standard for other distinguishable, The considerably from one crop to the other. Since dlings. Physical Attributes A minimum of damaged seed A minimal amount of weed seed or inert matter A minimum of diseased seed Near uniform seed size 2. A moisture content higher than the recommended It varies from 13 per cent in case of rice to 7 per cent in the case of Selection of Seeds for Cotton Planting: Only certified and tested seeds should be used for irrigated cotton. The amount of seed. 1 and Canada No. Such seed should not be used for planting. container               container, Chinese ... _____ tillage leaves a minimum of 30 percent residue. Seed: Certified seed is produced from foundation, registered or certified seeds. species as well as of other crop species. In addition, seed of combinable crops (e.g.           varieties (maximum) (%). Fitzgerald explained this code to the farmers in attendance at the ISTA seminar. This is Germination percentage is the percentage of pure seed that will produce normal plants when planted under favorable conditions. level, leads Genetic purity ensures that the seed is of the It may be noted that there is considerable variation in the requirements for certification Ideally only pulse seed with greater than 80% germination should be used. that germination includes hard seeds in the case of  berseem, Lucerne, soyabean, cluster bean, revised Minimum Seed Certification Standards of 1971 taking effect these The maximum amount of weed seeds Oxygen is not a factor in seed germination. is subject to laboratory analysis at the DAFF Seed Testing Laboratory in Backweston. Requirements etc. The other requirements are related to genetic


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