灌溉间隔和化学除草对洋葱鳞茎产量和品质优化的影响

IF 1.2 4区 农林科学 Q2 AGRICULTURE, MULTIDISCIPLINARY Bragantia Pub Date : 2022-01-01 DOI:10.1590/1678-4499.20210137
Hazem H. Ibrahim, A. A. Abdalla, Wael Salah Salem
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引用次数: 0

摘要

在2016/2017和2017/2018连续两季,在埃及El-Beheira省Abu Humus村进行了两项田间试验,以评估三种除草剂和三种灌溉间隔对吉萨红洋葱(Giza Red)产量和品质的影响。试验采用随机完全区组设计,分图设计,3个重复。灌溉间隔分别为(I 1) 20天、(I 2) 30天和(I 3) 40天。(h1) Control、(h2) fluazifopp、(h3) Oxyfluorfen和(h4) Clethodium在小区内随机分布。结果表明,除草剂与灌溉间隔期的互作对吉萨红洋葱两季的产量和品质均有显著影响。第一季和第二季(I 3 + H 3)处理洋葱鳞茎产量最高,分别为14.06和14.29吨/日。(i2 + h3)可提高洋葱收获指数值。{i3和h2}的碳水化合物百分比和总可溶性固形物(TSS)最高。所有处理下干洋葱鳞茎中的除草剂残留量均远低于世界卫生组织/联合国粮食及农业组织规定的最大残留限量(0.05 mg/kg)。综上所述,氟氧芬除草剂与灌溉间隔40 d互作可提高洋葱品种鲜、干鳞茎产量(吨/饲料)、收获指数和水分利用效率。{i3 (40 d) H 2 (fluazifp -p)}处理可提高采收后球茎直径(cm)、TSS和碳水化合物百分比。
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Efficacy of irrigation intervals and chemical weed control on optimizing bulb yield and quality of onion (Allium cepa L.)
: Two field experiments were carried out at the village ten, Abu Humus, El-Beheira Governorate, Egypt, during the two successive seasons 2016/2017 and 2017/2018, to evaluate the effect of three types of herbicide and three irrigation intervals on productivity and quality of onion cultivar (Giza Red). The experiments were designed as split plot in randomized complete block design with three replications. Irrigation intervals – (I 1 ) 20 days, (I 2 ) 30 days, and (I 3 ) 40 days – were assigned to the main plots. Herbicides treatments – (H 1 ) Control, (H 2 ) Fluazifop-p, (H 3 ) Oxyfluorfen, and (H 4 ) Clethodium – were distributed randomly in sub-plots. The results revealed that the interaction between herbicide and irrigation intervals had significant effects on productivity and quality of onion (Giza Red) cultivar in both seasons. Maximum onion bulbs yield (14.06 and 14.29 ton/fed) was recorded at (I 3 with H 3 ) treatments in first and second seasons, respectively. (I 2 with H 3 ) led to increase onion harvest index values. The highest value of carbohydrates percentage and total soluble solids (TSS) obtained at {I 3 and H 2 }. Herbicides residues in dry onions bulbs under all treatments were found well below the maximum residue limit set by World Health Organization (WHO)/Food and Agriculture Organization (FAO) (0.05 mg/kg). In conclusion, the interaction of Oxyfluorfen herbicide and irrigation interval 40 days could be used to improve fresh and dry bulb yield (ton/fed) of onion cultivar, harvest index and water use efficiency (WUE). The treatment of {I 3 (40 days) with H 2 (Fluazifop-p)} could be used to enhance bulb diameter (cm) after harvest, TSS and the percentage of carbohydrates.
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来源期刊
Bragantia
Bragantia AGRICULTURE, MULTIDISCIPLINARY-
CiteScore
2.40
自引率
8.30%
发文量
33
审稿时长
4 weeks
期刊介绍: Bragantia é uma revista de ciências agronômicas editada pelo Instituto Agronômico da Agência Paulista de Tecnologia dos Agronegócios, da Secretaria de Agricultura e Abastecimento do Estado de São Paulo, com o objetivo de publicar trabalhos científicos originais que contribuam para o desenvolvimento das ciências agronômicas. A revista é publicada desde 1941, tornando-se semestral em 1984, quadrimestral em 2001 e trimestral em 2005. É filiada à Associação Brasileira de Editores Científicos (ABEC).
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