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  • Title: [Phenological characteristics of introduced Polygonum viviparum from high altitude to low altitude area].
    Author: Wu XL, Liu F, Zeng W, He ZY, Lu ZH, Cui GL.
    Journal: Zhong Yao Cai; 2014 Oct; 37(10):1729-33. PubMed ID: 25895376.
    Abstract:
    OBJECTIVE: To explore the phenological characteristics of Polygonum viviparum introduced from high altitude to low altitude area. METHODS: To introduce the root and seed of Polygonum viviparum from high altitude to low altitude area and collect their growth and phenological data. RESULTS: In low altitude area, Polygonum viviparum germinated at the beginning of March, grew from March to the end of July, withered during the whole August due to high temperature, recovered from the end of August to the beginning of October, and then withered again due to low temperature. Its reproduction lasted from April to the end of July, stagnated from the beginning of August to the middle of September, and recovered from the middle of September to the end of October. CONCLUSION: The high temperature of August in low altitude area is the bottleneck season for Polygonum viviparum, yet it can grow normally while such technologies are applied to its culture as early seeding, culture seedling with fertilizing soil ball, complete overshadow etc.
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