Effects of Different Vine Number on the Yield and Commodity of Yangmingshan Yam
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摘要: 为了探究山药栽培过程中不同留蔓数对阳明山山药产量及商品性的影响,以阳明山山药为研究对象,在阳明山山药发棵期通过留单蔓、留双蔓以及留三蔓的处理,分别测量不同留蔓数下阳明山山药的生理学性状、产量及商品性。结果表明:不同的留蔓数处理对阳明山山药的薯重、薯长及商品性有一定的影响。阳明山山药在留单蔓处理时,单根薯重高达1.06 kg,薯长高达43.63 cm,显著高于留双蔓和留三蔓处理;留三蔓处理时阳明山山药的结薯数最高,为23.67根·m-2,但其商品薯率和优质商品薯率均显著低于留双蔓和留单蔓处理,其中留单蔓处理商品薯率和优质商品薯率最高,分别达79.84%与61.99%。综合各指标表明,留单蔓处理不显著影响阳明山山药的产量并在一定程度上提高了其薯块的商品性,具有较高的经济价值。Abstract: In order to explore the effects of different vine numbers on the yield and commodity of Yangmingshan yam during its cultivation, by taking Yangming yam as the research object, the physiological traits, yield and commodity of Yangmingshan yam under the treatment of leaving single vine, leaving double vines and leaving three vines were measured at the seedling stage. The number of tubers in Yangmingshan yam was the highest (being 23.67 roots·m-2) under the treatment of leaving three vines, but the commodity potato rate and the high-quality commodity potato rate of Yangmingshan yam were significantly lower than those under the treatment of leaving double vines and single vine, among which, the commodity potato rate and the high-quality commodity potato rate of yam under the treatment of leaving single vine were the highest, reaching 79.84% and 61.99%, respectively. When Yangmingshan yam was treated with leaving single vine, the single root tuber weight was up to 1.06 kg, and the tuber length was up to 43.63 cm, which was significantly higher than that treated with leaving double vines and three vines. The comprehensive various indexes showed that the yield of Yangmingshan yam was not significantly affected by the treatment of leaving single vine, and the commodity of its tuber was improved to a certain extent, which had high economic value.
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Keywords:
- Yangmingshan yam /
- Leaving vine /
- Yield /
- Commodity /
- Economic value
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