Qianjiang District, to speed up the breeding and promotion of virus
Qianjiang District of potato as one of the major food crops, but has not been replaced over the years varieties, varieties serious degradation, resistance to pests and diseases getting worse, getting lower and lower yields. Qianjiang District in 2004 on the 3rd successful introduction of E potato breeding and promotion, based on the work of the 2005 change in thinking, established a district-level bases virus-free potato seed multiplication center, township 1 seed breeding base, the farmers use 2 seed-based reproduction of the three virus-free potato seed breeding and extension system, greatly accelerated the promotion of Qianjiang District of Potato progress, to achieve varieties of updated annually.
In 2005, the Qianjiang District One is the introduction of "E potato III" Virus-free potato original seed 40000, in the neighboring township built the original species of central Hubei breeding base 10 acres, to recover a seed of 2.5 kilograms, breeding good effect. Second, in neighboring Hubei, two rivers, the water city of about 1,000 meters above sea level the three towns and villages built an improved variety breeding base area of 300 acres, average yield of 2150 kg, the highest yield of 4500 kg, than the local varieties yield 34% Mira achieve seed yield and quality of dual compliance. Third, to promote the region E potato virus-free potato Route 150 kilograms, the average yield of virus-free potato over a large area of 2050 kg, maximum 4,000 kg per mu, mu than the local varieties yield 20? 30%. E-town in the neighboring potato chip yield, virus-free potato yield per mu yield of 35% than the local varieties. This year the special climatic conditions, E potato on the 3rd district at an altitude of 800 meters above the general average yield of 30%, 800 meters below the flat region and the old varieties.
Qianjiang District Potato breeding and promotion work in the district committee and government attach great importance, the agricultural technology sector has taken the following main measures:
1, in strict accordance with the standard selection of base. Qianjiang District of potato seed breeding species and a base for selection at an altitude of 800 meters above the forest cover is good, and relatively small aphid, natural enemies rich, fertile land, transport facilities, sunny areas.
Second, do a good job technical training. Qianjiang District from last year since the implementation of potato strains, the breeding base at all levels of farmers and technical personnel training, the main training is to choose right path and seeds, seed cut and cutting rapid propagation, planting density requirements, fertilization , weeding, earthing up, go to miscellaneous, pest control, with control of excessive growth and seed collection paclobutrazol and kept digging techniques.
Third, strict seed quality control. Qianjiang District, the introduction of the virus-free potato seed, the implementation of mesh bags of potato seed, 20 kg per bag fixed, uniform with the District ????? label, the label of quality inspector's name and the names of producers , to implement an accountability system for quality, avoid the producers adulterated phenomenon. In seed potato production processes carried out by a full-time member of producing phytosanitary quarantine, strict quarantine supervision to ensure production of quality seed production and use for the coming year.
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