The Response of Iranian Melon (<i>Cucumis melo</i> L.) Accessions to 2,4-D Drift

One of the most widely used auxinic herbicides in southern Iran’s cereal crop fields is 2,4-D; however, the concurrent growing season of off-season melons in this region potentially leads to herbicide drift from cereal fields to the melon fields. To study the response of some Iranian wild melon acce...

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Autores principales:	Rouzbeh Zangoueinejad, Behnaz Sirooeinejad, Mohammad Taghi Alebrahim, Ali Ahsan Bajwa
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	herbicide drift melon production horticultural crop herbicide damage off-target application Botany QK1-989
Acceso en línea:	https://doaj.org/article/57e7a021840a4137b9c399ded041d74c
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spelling	oai:doaj.org-article:57e7a021840a4137b9c399ded041d74c2021-11-25T18:46:38ZThe Response of Iranian Melon (<i>Cucumis melo</i> L.) Accessions to 2,4-D Drift10.3390/plants101124422223-7747https://doaj.org/article/57e7a021840a4137b9c399ded041d74c2021-11-01T00:00:00Zhttps://www.mdpi.com/2223-7747/10/11/2442https://doaj.org/toc/2223-7747One of the most widely used auxinic herbicides in southern Iran’s cereal crop fields is 2,4-D; however, the concurrent growing season of off-season melons in this region potentially leads to herbicide drift from cereal fields to the melon fields. To study the response of some Iranian wild melon accessions to three simulated drift rates of 2,4-D, including 112.1, 11.2, and 3.7 g ae ha<sup>−1</sup>, a field experiment was conducted during 2019 and 2020 growing seasons. It was found that by increasing the herbicide rate from 3.7 to 112.1 g ae ha<sup>−1</sup>, the level of visual injury increased in all accessions. However, significant variation in herbicide tolerance was observed among different melon accessions. The MEL-R1 was the most tolerant accession with only 20% injury, while MEL-D8 displayed very high injury rate (<i>ca.</i> 90%) as assessed at 6 weeks after treatment during 2019. The accession MEL-S3 was the most tolerant to 2,4-D drift rates (20% injury) at 6 weeks after treatment during 2020. There was no significant difference between the accessions MEL-R1 and MEL-S3 in terms of their response to 2,4-D treatment during both years of the study, as these accessions fully recovered from injury over 6 weeks after herbicide treatment. In addition, only these two accessions were able to produce yield after the application of 2,4-D at the highest rate tested (112.1 g ae ha<sup>−1</sup>). Therefore, the melon accessions MEL-R1 and MEL-S3 could be recommended for cultivation and even for breeding programs in order to develop 2,4-D-tolerant commercial cultivars in regions where this herbicide is commonly used in cereal crop production adjacent to the melon fields.Rouzbeh ZangoueinejadBehnaz SirooeinejadMohammad Taghi AlebrahimAli Ahsan BajwaMDPI AGarticleherbicide driftmelon productionhorticultural cropherbicide damageoff-target applicationBotanyQK1-989ENPlants, Vol 10, Iss 2442, p 2442 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	herbicide drift melon production horticultural crop herbicide damage off-target application Botany QK1-989
spellingShingle	herbicide drift melon production horticultural crop herbicide damage off-target application Botany QK1-989 Rouzbeh Zangoueinejad Behnaz Sirooeinejad Mohammad Taghi Alebrahim Ali Ahsan Bajwa The Response of Iranian Melon (<i>Cucumis melo</i> L.) Accessions to 2,4-D Drift
description	One of the most widely used auxinic herbicides in southern Iran’s cereal crop fields is 2,4-D; however, the concurrent growing season of off-season melons in this region potentially leads to herbicide drift from cereal fields to the melon fields. To study the response of some Iranian wild melon accessions to three simulated drift rates of 2,4-D, including 112.1, 11.2, and 3.7 g ae ha<sup>−1</sup>, a field experiment was conducted during 2019 and 2020 growing seasons. It was found that by increasing the herbicide rate from 3.7 to 112.1 g ae ha<sup>−1</sup>, the level of visual injury increased in all accessions. However, significant variation in herbicide tolerance was observed among different melon accessions. The MEL-R1 was the most tolerant accession with only 20% injury, while MEL-D8 displayed very high injury rate (<i>ca.</i> 90%) as assessed at 6 weeks after treatment during 2019. The accession MEL-S3 was the most tolerant to 2,4-D drift rates (20% injury) at 6 weeks after treatment during 2020. There was no significant difference between the accessions MEL-R1 and MEL-S3 in terms of their response to 2,4-D treatment during both years of the study, as these accessions fully recovered from injury over 6 weeks after herbicide treatment. In addition, only these two accessions were able to produce yield after the application of 2,4-D at the highest rate tested (112.1 g ae ha<sup>−1</sup>). Therefore, the melon accessions MEL-R1 and MEL-S3 could be recommended for cultivation and even for breeding programs in order to develop 2,4-D-tolerant commercial cultivars in regions where this herbicide is commonly used in cereal crop production adjacent to the melon fields.
format	article
author	Rouzbeh Zangoueinejad Behnaz Sirooeinejad Mohammad Taghi Alebrahim Ali Ahsan Bajwa
author_facet	Rouzbeh Zangoueinejad Behnaz Sirooeinejad Mohammad Taghi Alebrahim Ali Ahsan Bajwa
author_sort	Rouzbeh Zangoueinejad
title	The Response of Iranian Melon (<i>Cucumis melo</i> L.) Accessions to 2,4-D Drift
title_short	The Response of Iranian Melon (<i>Cucumis melo</i> L.) Accessions to 2,4-D Drift
title_full	The Response of Iranian Melon (<i>Cucumis melo</i> L.) Accessions to 2,4-D Drift
title_fullStr	The Response of Iranian Melon (<i>Cucumis melo</i> L.) Accessions to 2,4-D Drift
title_full_unstemmed	The Response of Iranian Melon (<i>Cucumis melo</i> L.) Accessions to 2,4-D Drift
title_sort	response of iranian melon (<i>cucumis melo</i> l.) accessions to 2,4-d drift
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/57e7a021840a4137b9c399ded041d74c
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The Response of Iranian Melon (<i>Cucumis melo</i> L.) Accessions to 2,4-D Drift

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