Seed Technology Readyreckoner

Contents: I. Seed certification: tables: 1. Seed chemical composition of crops (%). 2. Pollination behaviour of seed crops. 3. Seed rate and seed multiplication ratios. 4. Genetic purity standards. 5. Isolation distance for foundation / certified seed crops. 6. Minimum isolation distance for certified seed stage (Abridged). 7. Land requirements for seed crops. 8. Prescribed days for seed crop inspection. 9. Specific inspection observation for seed crops. 10. Prescribed number of counts for seed crops. 11. Prescribed number of plants / heads per count for seed crops. 12. Instant table for counting off-types during field inspections. 13. Prescribed requirements for border rows. Modification of maize isolation distance using border rows. 14. Objectionable weeds for seed crops. 15. Designated diseases of seed crops. 16. Inseparable other crops for seeds crops. 17. Recommended screen sizes for seed crops. 18. Seed storage potential of various seeds. 19. ISI colour standards for certification tags. II. Seed testing: 1. Standards for seed lot and sample size. 2. Sample size for pelleted seeds and seed tapes (number). 3. Minimum standards for physical purity (%). 4. Minimum standards for inert matter (%). 5. Minimum standards for germination (%). 6. Other Distinct Variety (ODV) standards for crop seeds (Varieties and Hybrids have the same standards). 7. Minimum number of primary samples for seeds stored in containers. 8. Minimum number of primary samples for seeds stored in Bulk. 9. Seed standards for seed borne diseases (Varieties and hybrids have the same standards). 10. Internal and external seed borne diseases (varieties and hybrids have the same standards). 11. Designated weed seed standards (Varieties and hybrids have the same standards). 12. Submitted sample size for moisture estimation. 13. Crops for which grinding is obligatory for moisture estimation. 14. Crops for which low constant temperature is recommended for moisture estimation - 103 o C for 17 H. 15. Crops for which high constant temperature method is recommended for moisture estimation - 130 o C for 1 H. 16. Pre-drying moisture content of various crops for moisture estimation. 17. ISTA standards of germination requirements (varieties and hybrids have the same standards). 18. Specifications for germination media - paper. Determination of capillary rise of germination paper. 19. Specifications for germination media - sand. 20. Tetrazolium testing - preparation and assessment. 21. Minimum seed moisture content specified for cloth bag storage. 22. Minimum seed moisture content specified for moisture vapor proof packing. 23. Crops where huskless seeds are determined. 24. Crops where hard seeds are included in germination assessment. 25. Dormancy chart for seeds. 26. Seed standards for vegetative propagules. 27. International seed analysis certificates. III. Worked out examples in certification and testing of seeds: 1. Determination of seed replacement rate. 2. Calculation of seed number per kilo. 3. Calculation of viable seeds per kilo of seed. 4. Determination of number of plantable seedlings per kilo. 5. Planning for seed production of varieties and hybrids. 6. Pre-determination for field inspection of varieties / hybrids. 7. Calculation of seed moisture content. 8. Calculation of per cent physical purity. 9. Calculation of germination per cent. 10. Calculation of pure live seed. 11. Calculation of pure live seed index. 12. Calculation of heterogeneity value (H Value). 13. Calculation of 100 seed weight. 14. Pearson square for blending. IV. Seed legislations: 1. Abstract of Seeds Act, 1966. 2. Abstract of Seeds Rules, 1968. 3. Abstract of Seeds (Amendment) Act, 1972. 4. Abstract of Seeds (Amendment) Rules, 1973. 5. Abstract of Seeds (Amendment) Rules, 1974. 6. Abstract of Seeds (Amendment) Rules, 1981. 7. Abstract of seeds (control) Order, 1983. 8. Abstract of Essential Commodities Act, 1955. 9. Abstract of plants, fruits and seeds (Regulation of import into India) Order 1989. 10. Abstract of revised Seeds Act 2000 (Proposed). 11. Abstract of the Protection of Plant Varieties and Farmers Right Act, 2001. 12. Abstract of the protection of plant varieties and farmers right rules, 2003. Glossary. Appendices: 1. Botanical name and common name of agricultural and horticultural crops. 2. Tolerance table for purity (%). 3. Tolerance table for other seeds (by number). 4. Weighing specifications for purity analysis. 5. Tolerance table for germination (%). 6. Tolerance table for moisture estimation. 7. Tabulated H Values. 8. Proforma for assessing quality of a sample. 9. Conversion tables.