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

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