猫薄荷(Nepeta cataria L.)和墨西哥向日葵(Tithonia difolia L.)密度对黄麻锦葵生长、产量和近似成分的影响

O. Ayodele, O. Aluko, O. D. Adegbaju
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引用次数: 0

摘要

目的。黄麻锦葵(Corchorus olitorius L.)是一种粘质蔬菜和纤维作物,种植在热带地区,猫薄荷(Nepeta cataria L.)和墨西哥向日葵(Tithonia多样化叶L.)是常见的杂草。因此,本研究考察了黄麻锦葵在无杂草、猫薄荷和墨西哥向日葵环境下的生长、产量和营养水平。本研究采用完全随机设计(CRD)的两个筛选室实验,共6次重复。两个试验的处理分别为每盆0(对照)、2、4、6、8和10株杂草。根据所使用的花盆的表面积,每平方米相当于有0,100,200,300,400和500个杂草计数。墨西哥向日葵和猫薄荷分别在第一次和第二次试验中与黄麻植物相互作用。播种后5 ~ 8周,每周记录黄麻锦葵的生长参数,8周采收。使用AOAC概述的标准程序评估黄麻的近似成分。收集的数据进行方差分析(ANOVA),采用Duncan多元极差检验(DMRT)分离均数,P < 0.05。猫薄荷和墨西哥向日葵在每平方米100株以上对黄麻锦葵的形态特征产生负向影响。猫薄荷和墨西哥向日葵分别在每平方米300株和100-500株时,减少了黄麻锦葵的干重。墨西哥向日葵在一定程度上也降低了黄麻锦葵的粗蛋白质含量。该研究建议,与黄麻锦葵相互作用的猫薄荷和墨西哥向日葵的密度应保持在每平方米100株以下,以防止产量损失。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Effects of catnip (Nepeta cataria L.) and Mexican sunflower (Tithonia diversifolia L.) density on growth, yield, and proximate composition of jute mallow (Corchorus olitorius L.)
Purpose. Jute mallow (Corchorus olitorius L.) is a mucilaginous vegetable and fiber crop cultivated in the tropics, where catnip (Nepeta cataria L.) and Mexican sunflower (Tithonia diversifolia L.) are common weeds. Hence, the study investigated the growth, yield, and nutrient level of jute mallow in weed-free, catnip, and Mexican sunflower environments. Methods. The study involved two screen-house experiments in a Completely Randomized Design (CRD) with six replications. The treatments were 0 (control), 2, 4, 6, 8, and 10 weed plants per pot in both experiments. These are 0, 100, 200, 300, 400, and 500 weed count per square meter equivalent, based on the surface area of the pots used. Mexican sunflower and catnip plants interacted with jute plants in the first and second experiments, respectively. Growth parameters of jute mallow were recorded weekly from 5 to 8 weeks after sowing (WAS), and harvesting was done at 8 WAS. The proximate composition of jute was evaluated using standard procedures outlined by AOAC. The data collected were subjected to analysis of variance (ANOVA), and means were separated using Duncan Multiple Range Test (DMRT) at P < 0.05. Results. Catnip and Mexican sunflower negatively impacted the morphological features of jute mallow from 100 plants per square meter upwards. Catnip and Mexican sunflower, at 300 and 100–500 plants per square meter, respectively, reduced the dry weight of jute mallow. The crude protein content of jute mallow was also lessened by Mexican sunflower at some point. Conclusions. The study recommends that the density of catnip and Mexican sunflower plants interacting with jute mallow should be maintained below 100 plants per square meter to prevent yield loss.
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