Initial growth of coffee (Coffea arabica L. var) castillo in the coffee zone of Nariño

Hernando Criollo E., Johanna Muñoz B., Jorge Checa B., Wilmer Noguera R.
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引用次数: 3

Abstract

The importance of coffee cultivation in Nariño is reflected in the fact that 64% of its municipalities grow coffee. The ruggedness of its Andean topography provides great diversity in terms of climatic conditions, which, in one way or another, affect the behavior of coffee in all its physiological processes. Therefore, this study sought to identify the variation in the growth processes and production processes in the different coffee areas of this department, including the coffee-growing municipalities Sandoná, Consacá, La Florida and La Unión in the Department of Nariño, using experimental lots located at different altitude ranges (B <1600msnm; M between 1600 and 1800msnm and A >1800msnm). The statistical design used for each municipality was Random Complete Blocks with three treatments and sixteen repetitions. The recorded climatic variables included photosynthetically active radiation, ambient temperature, precipitation and relative humidity, and the evaluated physiological variables were plant height, number of leaves, basal stem diameter, number of primary branches, number of secondary branches, length of primary branches, number of knots per branch and leaf area index. The variable plant height was statistically higher in the upper zone (A) in the municipalities La Florida (79.95 cm) and Consacá (64.31cm); in La Florida, the number of branches and the LAI were higher in the upper zone plants, while the diameter of the stems was higher in the middle zone. In the other municipalities, these variables were not affected by the altitude.
Nariño咖啡区卡斯蒂略咖啡(Coffea arabica L. var)的初期生长
咖啡种植在Nariño的重要性反映在其64%的城市种植咖啡这一事实。安第斯山脉崎岖的地形为气候条件提供了巨大的多样性,这些气候条件以这样或那样的方式影响着咖啡在所有生理过程中的行为。因此,本研究试图确定该部门不同咖啡区生长过程和生产过程的差异,包括Nariño部门的咖啡种植市sandon、consaca 、La Florida和La Unión,使用位于不同海拔范围(b1800 msnm)的实验场地。每个城市使用的统计设计是随机完整块,有三个处理和16次重复。记录的气候变量包括光合有效辐射、环境温度、降水和相对湿度,评估的生理变量包括株高、叶数、基茎直径、一次枝数、次枝数、一次枝长度、每枝节数和叶面积指数。在La Florida (79.95 cm)和consac (64.31cm)的上A区,变异株高具有统计学意义;在La Florida,枝条数和叶面积指数(LAI)在上区较高,茎粗在中区较高。在其他城市,这些变量不受海拔的影响。
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