Comparative Growth Analysis and Fruit Quality of Two Varieties of Tomato under Hand Weeding and Pendimethalin Herbicide

Olayinka, B. U.; Anwo, I O; Etejere, E. O.

doi:10.4038/jas.v12i3.8262

Cited by 4 publications

(4 citation statements)

References 28 publications

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“…This could be attributed to lack of satisfactory weed control, most importantly where one hand weeding at 3WAP. Similar observations have been reported by Olayinka et al (2017) in their studies of weed control in tomato. The most preponderant families were Poaceae Fabaceae and Asteraceae.…”

Section: Resultssupporting

confidence: 91%

“…Varietal difference showed that yield and yield attributes were higher in Ife brown than Tvx 3236. This could be attributed to differential genetic makeup of the crops (Hernandez et al, 2008;Olayinka and Etejere, 2015;Olayinka et al, 2017). .001 N. B: Means in the same column having the same superscripts are not significantly different at (P<0.05).…”

Section: Resultsmentioning

confidence: 98%

“…The most abundant weed species during the experiment were Brachiaria deflexa (14.82%) followed by Euphorbia heterophylla (13.04) while the least is Vernonia galamensis (0.8%). The weeds species had been found to be predominant in most annual crops (Olayinka, et al, 2017 Weed Control Effort: Weed biomass, weed control efficiency and weed density were significantly affected by the weed control methods (Table 2). Weed biomass was highest in the weedy check with values of 419.67gm -2 and 408.33gm -2 but lowest in the weed free check with values of 28.43 and 25.33 in Tvx3236 and Ife brown respectively.…”

Section: Resultsmentioning

confidence: 99%

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Bioproductivity and grain quality of two cowpea varieties in relation to frequency of hand weeding

Olayinka¹,

Lawal²,

Abdulbaki³

et al. 2019

Journal of Applied Sciences and Environmental Management

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The concern for human health and safety coupled with the increase in herbicides resistant weeds necessitated the need to investigate the effect of frequency of hand weeding on weed suppression, productivity and grains quality in two varieties of cowpea (Tvx 3236 and Ife brown). Plot layout was a split-plot arrangement in complete randomized block design with three replications. The cowpea lines were subjected to five treatments of frequency of hand weeding. Data on weed and crop were subjected to Analysis of Variance. Means were separated using Duncan Multiple Range Test at 0.05 level of significance. Weed species that were found to be preponderant include Brachiaria deflexa, Euphorbia heterophylla and Commelina benghalensis. The three hand weeding at 3, 6 and 9 weeks after planting (WAP) showed the highest weed control efficiency of 90.48 % followed by those of two hand weeding at 3 and 6 WAP (86.98%) and one hand weeding at 3 WAP (74.68%). The weed free check was the most effective in controlling weeds (93.80%). Growth and productivity of the two cowpea lines were enhanced with increase in frequency of hand weeding when compared with the weedy check. Weeds reduced crop yield by 56.17%. The results of grain quality such as crude protein, lipid content, ash and crude fibre were also enhanced with increase in frequency of hand weeding. Generally, growth and yield were higher in Ife brown than Tvx3236. The research was limited to one cropping season and there is need for reproducibility for consistent of results. The study concluded that weeding twice and three times were found to be feasible since these frequencies of weeding times promoted effective weed reduction, higher growth, and yield and grain quality of the two cowpea varieties studied.

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Section: Resultssupporting

confidence: 91%

Section: Resultsmentioning

confidence: 98%

Section: Resultsmentioning

confidence: 99%

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Bioproductivity and grain quality of two cowpea varieties in relation to frequency of hand weeding

Olayinka¹,

Lawal²,

Abdulbaki³

et al. 2019

Journal of Applied Sciences and Environmental Management

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“…There are a number of reports on influence of herbicides on yield parameters and crop yield. In this regard, the grain yield of cowpea genotypes showed a substantial level of disparity due to differential genetic makeup of the crops or influence of the location since yield is quantitatively hereditary [48,38] and [35]. However, [49] likewise found that genetic effects and ecological factors affected agronomic performance of cowpea genotypes.…”

Section: Discussionmentioning

confidence: 99%

Differential responses of two cowpea (Virgina unguiculata L.Walp.) genotypes to pre-emergence herbicides in the savannah woodland and rainforest agroclimatic regions of Sierra Leone

Quee¹,

Kamanda²,

Saffa³

et al. 2021

World J. Adv. Res. Rev.

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Field trials were conducted in savannah woodland (Njala) and rainforest (Serabu) agroclimatic regions of Sierra Leone during 2016 second cropping season to assess different preemergence herbicides techniques that is efficient, cost effective and environmentally safe in cowpea production. The experiment consisted of 20 treatments which included 2 cowpea genotypes (slipea 4 and slipea 5) and 10 different weed control techniques viz: butachlor 50% emulsifiable concentrate (EC), double force®, power force® applied as preemergence herbicides at 2, 4 and 6 L ha-1, respectively and weedy check. The treatments were laid out in a strip-plot design arranged in a factorial system with three replications. The results of this study revealed that the application of power force® at 6 L ha-1 recorded the highest phytotoxic effect, lowest weed dry weight, number of pods per plant and grain yield, highest total variable cost, lowest gross and net returns. Furthermore, butachlor 50% EC at 2 L ha-1 closely followed by double force® at 6 L ha-1 resulted in maximum grain yield, gross and net returns compared to the rest of the other weed control techniques. Thus, it is concluded that butachlor 50% EC at 2 L ha-1 was more economical, profitable and beneficial than other control treatments in the production of cowpea genotypes in the savannah woodland and rainforest agroclimatic regions of Sierra Leone. Conclusively, the relationship between phytotoxicity and grain yield indicates that the higher the grain yield the lower the phytotoxic effects of the chemicals.

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

Mohamed

Abdalla

2023

J Soil Sci Plant Nutr

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Weeds 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.

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Comparative Growth Analysis and Fruit Quality of Two Varieties of Tomato under Hand Weeding and Pendimethalin Herbicide

Abstract: ABSTRACT

Cited by 4 publications

References 28 publications

Bioproductivity and grain quality of two cowpea varieties in relation to frequency of hand weeding

Bioproductivity and grain quality of two cowpea varieties in relation to frequency of hand weeding

Differential responses of two cowpea (Virgina unguiculata L.Walp.) genotypes to pre-emergence herbicides in the savannah woodland and rainforest agroclimatic regions of Sierra Leone

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

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