Rouging in seed production pdf

Pr o d u c t io n a n d m a n a g e m e n t o f m a jo r v e g e t a b l e c r o ps in et h io p ia. It is also known as hot pepper and botanically it is known as. With privatization and liberalization, many of these programmes are at risk of being closed down. Seed production in many countries is carried out in regions distinct and geographically separate from those mainly used for ware e. The efficiency and promptness of rouging in hybrid seed production plots, more so in female rows decide the quality of hybrid seed. Important safeguards for maintaining genetic purity during seed production 1. Rouging in most of the field crops may be done at many of the following stages as per needs of the seed crop. Suggested time for conducting field inspection farmers trained in basic knowledge in seed production and technologies qualify for registration as seed growers. Make sure you account for the entire production system from seed selection to soil preparation, to planting and weed and pest control, all the way through harvesting all in one continuous loop of possible decisions you can make.

The female and male line as described earlier should be transplanted in the ration of 2. Seed production in vegetables is the limiting factor for cultivation of vegetables in india. For wildlife and critical area mixtures, plant seed at 10 lbacre. This rogues and roguing manual provides information to csga seed growers on how to identify rogues undesirable plants and also on roguing removing them from pedigreed seed crops. It also plays significant role in the maximization of profits from the intervention in seed production. In agriculture, roguing refers to the act of identifying and removing plants with undesirable characteristics from agricultural fields. Seed production procedures in sorghum and pearl millet. Fertilize production fields at a rate of 300 lbacre of 82424. Growing seed crops requires a longer season since the crop must stay in the field twice as long as a conventional crop harvested for grain and also for increased monitoring to ensure high seed quality and purity. Improving soybean production on your farm requires a systematic approach.

If possible, select a field for certified seed production the preceding year. Pr o d u c t io n a n d m a n a g e m e n t o f m a jo r v e g e t a b l e c r o ps in et h io p ia, december 2015, addis ababa, ethiopia. Quality rice seed production manual seed sector in uganda the formal seed supply system in uganda was established in 1968 as a government scheme with support from british overseas development agency that formed the backbone of the seed industry in the country. Choose the right row spacing and plant population to optimize production, save on seed and take advantage of your equipment configuration. The companyowned seed farm and farms that produce only seeds and the generalcrop farm on which an occasional small acreage of a seed crop is planted are the extremes in organization.

Aosca seed standards may serve as the basis for any seed. Natural reseeding from previous years seed crop, combined with hard seed will probably be adequate for sufficient stands in succeeding years. The seed to seed method lacks the above mentioned merits. Seed technology comprises techniques of seed production, seed processing, seed. Wheat is a highvolume, lowprofit seed crop and has been produced primarily by heavily subsidized government seed programmes. An inbred seed increase field shall have no more than 0.

This type of rogue cannot be taken lightly as such admixtures can occur at many stages in the production of pedigreed seed. Ethiopian institute of agricultural research, addis ababa, ethiopia. Difference between seed and grains used as seed seeds that are produced in a scientific manner are superior when compared to the grains that are used as a source of seeds. In this, seed is sown in the nursery in last week of august to first week of september and seedlings are transplanted in last october or first week of november. For seed production, seed to seed method is recommended since the head to seed method in india has not been very successful. This advancement will build on pioneers industryleading ability to respond to customer demands for reliable supplies of high quality hybrid seed corn. Specialised producers might be seed projects or researchers. The main hindrance to the popularization of f1 hybrids is nonavailability and cost of hybrid seed. The pathogen produces several types of spores, but it is only the urediniospores whose rust color. Seed production technology spt process is an innovative, proprietary seed production process that is expected to dramatically increase the efficiency of hybrid seed production. Onion seed production techniques a manual for extension agents and seed producers by olani nikus m. Farmers trained in basic knowledge in seed production and technologies qualify for registration as seed growers.

Vegetative preflowering stage flowering stage maturity stage 15. In agriculture, roguing refers to the act of identifying and removing plants with undesirable. Genetic purity of seed can be maintained by reducing factors that cause deterioration. Cowpea vigna unguiculata seed production module training set facilitators guide this guide will help you use the cowpea seed production module training set. A manual on seed production and certification agritech portal. As seed production is ramped up and broadened, purity expectations are less stringent, but always mindful of the product integrity needed for commercial seed sales. It was taken up at the following four different stages of the crop growth based on the diagnostic characteristics of the variants. The pathogen produces several types of spores, but it is only the urediniospores whose rust color gives the disease its name that are involved in epidemics. The practical aspects of this course include seed sampling, seed testing, floral biology, rouging of offtypes, procedures for varietal release and notification, methods of hybrid seed production. Productivity and efficient support systems in rainfed areas. Seed production and training manual by lambert delimini fao 12052012 preface plant breeding activities lead to the development and release of improved crop varieties. This allows time to reduce weeds, volunteer crops or other potential problems. Nucleus, breeder, and foundation seed 7 hybrid a x r seed production certified seed 8. Developmental variation grown in different environment, soil, climate growing seeds in.

There is no typical organization crops, of seed farms. At harvest, stecklings characteristic of the variety are selected and then transplanted into a seed production field. Manage weeds early and completely, beginning with a preemerge program. Deterioration of variety maintenance of genetic purity s. The vegetables require specific temperature and other climatic conditions for flowering and fruit setting. Cdmdp national consultant on seed and horticulture production. Isolation of seed crops and periodic rouging are the important methods to. For ware producers with limited facilities for seed storage, coordinating delivery of seed with. The purpose of releasing improved crop varieties is to increase productivity and overall crop production to anchor food security. Title page cover page i table of contents ii list of tables iii list of figures iii.

Rouging of seed fields prior to the stage at which they could contaminate the seed crop. Stem rust severity and damage are generally more severe in firstyear tall fescue seed fields than in older, established stands. Cowpea vigna unguiculata seed production module training set. Productivity and efficient support systems in rainfed. The quality seed production techniques of chillies. This seed production guideline includes specific production practices of tomatoes, onion and hot pepper that are propagated by true seed. This manual provides details about the production of good quality seeds. Except for isolation and rouging, the cultural management techniques in seed production are a. Rogues are removed from the fields to preserve the quality of the crop being grown. In seed to seed method in situ method the crop is allowed to over winter and produce seed in the original position, where they are first planted in the seedling stage. Seed production of vegetable, tuber and spice crops language. Seed production in cotton varieties and hybrids cotton botanically as gossypium sp.

Lecture 16 seed production in varieties and hybrids of castor. For example, to ensure that the crop retains its integrity as. Seed production of vegetable, tuber and spice crops. The companyowned seed farm and farms that produce only seeds and the generalcrop farm on which an occasional small acreage of a seed crop is planted are the extremes in. Foreword iii tables vii figures viii annexures ix 1. The instructions given in this handbook are for the production of improved seed, a slightly lower class of seed than certified seed, which can be produced under farmers conditions. Best practice guidelines for seed potato production.

It serves as a cash crop to the farmer as the lint serves as the raw material for the textile industry. Based from the production data of the bureau of agricultural statistics bas, about 11,381 hectares were utilized for vegetable legume crops including bush sitao in 1995 with estimated production of 29,058 metric tons. Quality rice seed production manual quality rice seed. As a seed grower, you must register your crop for inspection. The perspective for sunflower seed production is to increase the number of seed bags produced per hectare and to reduce the yield gap that exists between the yield of the female lines evaluated in experimental plots under the best agronomic conditions and the actual yield obtained in the seed production fields. Hybrid maize technologies available for commercial production 10 1. Keeping soybeans out of a field for one or two years improves yield per acre. Index lecture name page no 1 introduction to seed and seed quality 58 2 history and development of vegetable seed industry in india 915 3 scope for vegetable seed production in india 1622 4 principles and practices of vegetable seed production 2327 5 factors affecting quality seed production 2839 6 varietal and hybrids seed production in solanaceous vegetables 4065. Seed produced by specialised producers for sale to farmers is called certified seed. Hybrid seed production sorghum and pearl millet 6 identification of potential hybrid parents a,b and rlines 6 seed multiplication of parental lines rline, bline, and alinesl. Seed production and training manual by lambert delimini fao 1205. The participants are the community resource person, members of seed centers, and seed producer groups. Genetic principles can be discussed on following heading.

Procedures of hybrid seed production of ch1 and ch3 the hybrid seed production block must be isolated atleast 400 metres from other varieties hybrids of chilli and bell pepper. A manual on seed production and certification the revitalizing rainfed agriculture network rran is a growing network of civil society organizations, research institutions, policy makers, donors and individuals engaged in evolving a differentiated agricultural policy with enhanced public investments and support system for rainfed areas in india. General principles of seed production linkedin slideshare. The importance and need for community managed seed system the concept of seed producer group and the popinvolved in the seed production the management practices for seed center about the participants. Nov 27, 2017 important safeguards for maintaining genetic purity during seed production 1. Chilli capsicum frutescense chillies widely used as vegetable and spice is an often cross pollinated crop, where the extend of cross pollination is upto 7 to 36 per cent. Maintenance of genetic purity during seed production jnkvv. Rogues and roguing manual canadian seed growers association.

Nearly 150 large private seed companies nationwide are involved in seed production. Examinations buy now outlines of seed production of vegetable, tuber and spice crops introduction to seed and seed quality history and development of vegetable seed industry in india scope for. The future for wheat seed production appears to be mixed. With the growing irrigated agriculture, high domestic and export demands, the seed production technology of these vegetables is becoming very important. Cauliflower, hybrid seed, commercial seed production, selfincompatibility, male sterility, combining ability, rouging field inspection, production technology. Roguing is to multiplication of pedigreed seed crops what selection is to plant breeding. However, in this method it takes 1011 12months to produce seed 4 4 12 months for bulb production and 67 months for seed set and maturity. Oct 12, 2008 the main hindrance to the popularization of f1 hybrids is nonavailability and cost of hybrid seed. Pdf quality seed production of field crops and seed health. Unlike grain production, hybrid maize seed requires a special management skill setting planting ratio of male and female, synchronization of flowering, adjustment of pollen shedding and silking, detasseling, rouging, harvesting crop and post harvest operation for producing standard quality hybrid seed. The stecklings should be irrigated every 23 days and should never be left to lose water and wilt. Some vegetables are grown in one part of the country but their seed production is. The set is designed to encourage group discusson as well as provide information on production techniques of malakwang. Field inspection as a seed grower, you must register your crop for inspection.

That is, the plants being removed may be diseased, be of an unwanted variety, or undesirable for other reasons. Management of hybrid maize seed production fields 19 1. The standard is tighter in the early stages of seed production i. Mature roots raised on 1 m2 can be enough for 510 m2 of seed crop depending on the extent of rouging. Genetic and agronomic principles of seed production. Pdf production of genetically pure and otherwise good quality. Roguing is particularly important when growing seed crops to prevent plants with undesirable characteristics from propagating into.

Organic seed production includes growing of seed crops by a set of guidelines that prohibit the use of synthetic products chemicals. The plant to plant spacing for the female line should be kept. A manual on seed production tamil nadu agricultural. Nucleus, breeder, and foundation seed 7 hybrid a x r seed production certified seed 8 planning commercial hybrid seed production 11. Crop productionwheat seed production technology for. Adequate and timely rouging is extremely important in seed production. Pdf practical manual on seed production technology of. Pearl millet seed production and processing chapter page no. Seed production of vegetable, tuber and spice crops pdf.

Deterioration of variety explanation arise when maintenance of genetic purity 1. Pdf organic seed production includes growing of seed crops by a set of guidelines that prohibit the use of synthetic products chemicals. First at vegetative stage through flowering rouge out other crop varieties, offtypes, plants of other crop species, diseased and weak plants. Rice is the most important staple crop in sierra leone. All requirements and standards of certified seed production are in this standards publication.

Jun 15, 2018 genetic purity of seed can be maintained by reducing factors that cause deterioration. It is consumed by approximately 90% of the population and per capita. Vegetable seed production good practice guide international. British potato council, 2006, with seed often stored in the area of production until shortly before planting. Roguing is the most important operation in castor hybrid seed production.

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