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- W20811960 abstract "Potatoes can be pla nted and harvested year round in different places in Sichuan Province due to the stereoscopic climate within the province.The annual potato planting area was over 600 000 ha after 2006 and reached 733 000 ha in 2009.The annual need for seed potatoes is about 1.5 million tons with 70% from farmers' self-kept seeds and 30% from the purchased seeds.The problems,such as insufficient good seeds,no 3 G seed system,incomplete quality control system,and low quality seed potatoes,are still affecting the potato yield which has been fluctuating from 16.5 to 17.9 ton.ha-1 for a long time though the authorities have taken many actions on the improvement of seed sector in the province.To establish the provincial virus-free in-vitro plantlet supply centers,to establish 3 G seed system,to increase the seed production capacity at all classes,to build better seed storage,to improve the farmer self-kept seed potatoes,and to regulate the system for seed production and supply will improve the seed quality and promote the potato industry development in the province." @default.
- W20811960 created "2016-06-24" @default.
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- W20811960 date "2010-01-01" @default.
- W20811960 modified "2023-09-23" @default.
- W20811960 title "Situation, Problems and Strategies for Seed Potato System in Sichuan" @default.
- W20811960 hasPublicationYear "2010" @default.
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