Weed Control, Growth, and Yield of Tomato After Application of Metribuzin and Different Pendimethalin Products in Upper Egypt

Author:

Mohamed Ibrahim A.,Abdalla Reham M.ORCID

Abstract

AbstractWeeds are very problematic for tomato production worldwide. Differences in formulations of the same herbicide have different effects on weeds and crops. There are no published studies on the effect of the capsule suspension of pendimethalin (Pend) products on tomato in Egypt. The present study aims at evaluating three pre-plant Pend products compared with a post-plant metribuzin (Met) and hand hoeing on their efficiency on weed control and on the growth, yield, yield attributes, stand loss rate of tomato plants, and their economic benefit implications in tomato production. During the fall-winter seasons of 2019/2020 and 2020/2021, six weed control treatments were studied including three pre-plant Pend products, a post-plant Met, hand hoeing, and un-weeded control in tomato field experiments. Weed density, fresh weight [FW], and FW reduction% were measured. Tomato measurements included stand loss rate, vegetative growth parameters, leaf chlorophyll concentration, fruit diameter and length, marketable and total yields, fruit total soluble solids, and pH. All herbicides and hand hoeing treatments significantly reduced weeds FW. Stand loss rates of tomato were 0% in hand hoeing followed by Sencor (~ 9.3–11.1%). Vegetative growth and leaf chlorophyll concentration were improved in all treated plots as compared to the control. The highest significant increases in tomato branch number, plant height, stem diameter, and shoot FW were observed in Sencor and Mostmicro treatments. The highest marketable and total fruit yields were observed with Sencor. Met had the highest benefit–cost ratio in the study. All herbicides were effective against various noxious weeds, but tomato “hybrid 65,010” was more tolerant to Met which resulted in better yields than those obtained with Pend products. The most cost-effective method of weed control was Met.

Funder

Assiut University

Publisher

Springer Science and Business Media LLC

Subject

Plant Science,Soil Science,Agronomy and Crop Science

Reference49 articles.

1. (APCE) Agricultural Pesticide Committee of Egypt (2018) Available via. http://www.apc.gov.eg/en/default.aspx. Accessed 20 June 2018

2. (APCE) Agricultural Pesticide Committee of Egypt (2021). Available via. http://www.apc.gov.eg/en/default.aspx. Accessed 25 Nov 2021

3. Ackley JA, Wilson HP, Hines TE (2017) Rimsulfuron and metribuzin efficacy in transplanted tomato (Lycopersicon esculentum). Weed Technol 11:324–328. https://doi.org/10.1017/S0890037X00043025

4. Adigun JA, Daramola OS, Adeyemi OR, Olorunmaiye PM, Osipitan OA (2018) Nitrogen and weed management in transplanted tomato in the Nigerian forest-savanna transition zone. Ann Agrar Sci 16:281–285. https://doi.org/10.1016/j.aasci.2018.05.001

5. Armelina AO (1983) Weed competition in direct sown tomatoes in the low Rio Negre Valley. Maleza 11:142–146

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