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2022 Volume 1 Issue 3
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LIANG Hui, WANG Yong, JIANG Lianqian, et al. Study on Effect of Seedling Bio-Substrate on Tobacco Growth and Disease Control in Liangshan Prefecture[J]. PLANT HEALTH AND MEDICINE, 2022, (3): 25-33. doi: 10.13718/j.cnki.zwyx.2022.03.004
Citation: LIANG Hui, WANG Yong, JIANG Lianqian, et al. Study on Effect of Seedling Bio-Substrate on Tobacco Growth and Disease Control in Liangshan Prefecture[J]. PLANT HEALTH AND MEDICINE, 2022, (3): 25-33. doi: 10.13718/j.cnki.zwyx.2022.03.004
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Study on Effect of Seedling Bio-Substrate on Tobacco Growth and Disease Control in Liangshan Prefecture

  • 1. Liangshan Prefecture Branch of Sichuan Tobacco Company, Xichang Sichuan 615000, China;

  • 2. College of plant protection, Southwest university, Chongqing 400715, China

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  • Received Date: 06/12/2021

  • MSC: S435.72

  • Liangshan prefecture is one of the representatives for sweet scent and high quality tobacco production in China. The tobacco production plays an important role in the local fiscal revenue, tobacco farmers income and country revitalization, but in recent years, the bottleneck of high-quality development of Liangshan tobacco production became a serious problem. The problems of tobacco seedling health in seedbed, early and quick growth of tobacco after transplanting and disease control in the field have to be solved urgently. Seedling bio-substrate is a recommended green-control technology for tobacco root and stem diseases by China National Tobacco Corporation, which can effectively improve the quality of tobacco seedlings and the disease resistance. In 2021, this technology were applied for about 6 666.67 hm2 in Liangshan Prefecture, which achieved satisfied application effects. In this paper, the effect of seedling bio-substrate on promotion of the seedling growth in seedling beds and disease control during the topping-period in the fields of tobacco were investigated in 38 experimental sites of 10 tobacco-growing counties (cities) in Liangshan Prefecture. The results showed that seedling bio-substrate could effectively shorten the emergence time, significantly improve the rate of emergence and quality, and greatly reduce the index of tobacco root diseases. In this paper, we also give our suggestion to the further optimization of seedling bio-substrate. This paper provided strong support for the upgrading and optimization of seedling bio-substrate, which was a practical reference for tobacco cultivation and high-quality tobacco production in Liangshan Prefecture.
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Study on Effect of Seedling Bio-Substrate on Tobacco Growth and Disease Control in Liangshan Prefecture

  • Received Date: 06/12/2021

Abstract: Liangshan prefecture is one of the representatives for sweet scent and high quality tobacco production in China. The tobacco production plays an important role in the local fiscal revenue, tobacco farmers income and country revitalization, but in recent years, the bottleneck of high-quality development of Liangshan tobacco production became a serious problem. The problems of tobacco seedling health in seedbed, early and quick growth of tobacco after transplanting and disease control in the field have to be solved urgently. Seedling bio-substrate is a recommended green-control technology for tobacco root and stem diseases by China National Tobacco Corporation, which can effectively improve the quality of tobacco seedlings and the disease resistance. In 2021, this technology were applied for about 6 666.67 hm2 in Liangshan Prefecture, which achieved satisfied application effects. In this paper, the effect of seedling bio-substrate on promotion of the seedling growth in seedling beds and disease control during the topping-period in the fields of tobacco were investigated in 38 experimental sites of 10 tobacco-growing counties (cities) in Liangshan Prefecture. The results showed that seedling bio-substrate could effectively shorten the emergence time, significantly improve the rate of emergence and quality, and greatly reduce the index of tobacco root diseases. In this paper, we also give our suggestion to the further optimization of seedling bio-substrate. This paper provided strong support for the upgrading and optimization of seedling bio-substrate, which was a practical reference for tobacco cultivation and high-quality tobacco production in Liangshan Prefecture.

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