Evaluation of the Effectiveness of 2.4-D 72% Herbicide in Combating Weedy Leaves Associated with Different Varieties of Forage Sorghum (Sorghum bicolor L.) and Its Effect on Growth Characteristics

A field experiment was conducted in the fields of a farmer in the (Koldara) area, which belongs to the district of Alton Kubri (Dibs District) in Kirkuk Governorate. Planting took place in the spring season on 28/3/2023 after preparing the soil. Phosphate P 2 O 5 fertilizer was added before planting...

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Bibliographic Details
Published in:IOP conference series. Earth and environmental science 2024-07, Vol.1371 (5), p.52020
Main Authors: Ahmed Sharif, Yaseen Obaid Noori, Hamad Al-Mafrajy, Abdulmueen Shabeeb, Mohammed Albarzenje, Zakariya Mahmood
Format: Article
Language:English
Subjects:
2.4-D herbicide
Cereal crops
Control methods
Effectiveness
Factorial experiments
Fertilizers
Flowering
Fodder
Forage
Herbicides
Leaves
Phosphorus pentoxide
Planting
Sorghum
Sorghum varieties
Spraying
Spring (season)
Urea
Weed control
Weeds
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Summary:A field experiment was conducted in the fields of a farmer in the (Koldara) area, which belongs to the district of Alton Kubri (Dibs District) in Kirkuk Governorate. Planting took place in the spring season on 28/3/2023 after preparing the soil. Phosphate P 2 O 5 fertilizer was added before planting, 011 kg.ha -1 , while nitrogen fertilizer was added after planting (320) kg. ha -1 per batch in the form of urea fertilizer (46% N) and in two batches, one batch after planting and the second batch before the flowering of the Sorghum crop. A factorial experiment was designed according to a randomized complete block design (R.C.B.D.). With three replicates and two factors: spraying 2.4-D 72% herbicide in an amount of 1500 cm 3 .ha -1 spray on the soil before planting, six varieties of forage Sorghum : Bohouth, Giza, J, Rabeh, Warka, Inqaz,. The results of the study showed that the 2.4-D herbicide, when used before planting, was effective in reducing the number of weeds with susceptible leaves, as well as the dry weight of the weeds that escaped or were not affected by the herbicide, as well as the high control rate that was achieved as a result of the use of that herbicide and that method of control. This had a positive effect on the characteristics of vegetative growth, as the height of the plant and the number of branches increased, and demonstrated the superiority of the variety Anqaz and Warka in those two important characteristics for fodder purposes.
ISSN:1755-1307
1755-1315
DOI:10.1088/1755-1315/1371/5/052020