EFFECTS OF 1-METHYLCYCLOPROPENE ON FLUE-CURED TOBACCO (NICOTIANA TABACUM L.) WITH THE INITIATION OF CHEMICAL SENESCENCE FROM APPLICATIONS OF 2-CHLOROETHYLPHOSPHONIC ACID

中国烟草科学 Pub Date : 2012-01-01 DOI:10.3381/10-007.1

Zachary Taylor, L. Fisher, W. Smith, K. Edmisten, R. Wells, D. Jordan, S. Blankenship

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Abstract

Abstract Ripening and holding ability of flue-cured tobacco (Nicotiana tabacum L.) are critical components of producing high-quality leaf desired by the tobacco leaf buyers. Research was conducted in North Carolina during 2006 to 2008 at 2 locations to determine if applications of 1-methylcyclopropene (1-MCP) could inhibit chemically enhanced senescence from applications of 2-chloroethylphosphonic acid in flue-cured tobacco. Treatments consisted of 1-MCP at 26 g ai ha−1 and at 13 g ai ha−1. Applications of 1-MCP were initiated before optimal ripeness on the basis of traditional judgment of harvest timing and included applications at: 14 days before normal final harvest, 14 and 7 days before normal final harvest, 7 days before normal final harvest, and 7 and 1 days before normal final harvest. Treatments also included applications of 2-chloroethylphosphonic acid at 1,680 g ai ha−1 to enhance chemical senescence at the normal harvest timing. Soil plant analysis development (SPAD) values were taken before (b...

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1-甲基环丙烯对烤烟(nicotiana tabacum)的影响随着2-氯乙基膦酸应用引发化学衰老

摘要:烤烟的成熟和保温能力是烟叶购买者生产优质烟叶的关键因素。2006年至2008年期间，在北卡罗来纳州的两个地点进行了研究，以确定在烤烟中施用1-甲基环丙烯(1-MCP)是否可以抑制2-氯乙基膦酸在化学上增强的衰老。1- mcp浓度分别为26 g和13 g。根据传统的采收时机判断，在最优成熟前开始施用1- mcp，分别在正常末收前14天、正常末收前14天和7天、正常末收前7天和1天施用。处理还包括在正常收获时间施用1,680 g / ha - 1的2-氯乙基膦酸，以促进化学衰老。土壤植物分析发育(SPAD)值在…

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中国烟草科学烟草

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期刊介绍： Chinese Tobacco Science is an academic scientific journal (bimonthly) under the supervision of the Ministry of Agriculture and Rural Affairs of the People's Republic of China, and sponsored by the Tobacco Research Institute of the Chinese Academy of Agricultural Sciences and the Qingzhou Tobacco Research Institute of China National Tobacco Corporation. It was founded in 1979 and is publicly distributed nationwide. The journal mainly publishes academic papers on scientific research results, new production technologies, and modern management in my country's tobacco science research and tobacco production technology. In addition, it also publishes forward-looking review articles in the field of tobacco research. There are columns such as tobacco genetics and breeding, cultivation technology, modulation and processing, physiology and biochemistry, plant protection, review or monograph, quality chemistry, etc.

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