Screening thirty soybean genotypes under solid and intercropping plantings in Egypt

Metwally, Abd El-Alim A.; Safina, Sayed Ahmed; Abdel-Wahab, Eman Ibrahim; Abdel-Wahab, Sherif Ibrahim; Abdel-Wahab, Tamer Ibrahim

doi:10.1007/s12892-020-00074-1

Cited by 9 publications

(21 citation statements)

References 12 publications

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“…In intercropping, there is a lower transfer of dry matter from leaves to seeds, resulting in fewer pods and reduced seed output per plant. These findings were consistent with those of Metwally et al 33 , who found that, in comparison to solid soybean, intercropping soybean with corn reduced the amount of seed produced per plant. The drop in seed index under intercropping can be explained by the fact that the photosynthetic rates in soybean leaves are substantially lower than those in solid soybean.…”

Section: Discussionsupporting

confidence: 93%

“…Increasing the leaf area index is a known mechanism for improving light capture efficiency, as supported by Teiz and Zeiger 32 . These findings aligned with the study by Metwally et al 33 , which showed that certain genotypes can adjust their morphological and physiological traits in response to intercropping.…”

Section: Discussionsupporting

confidence: 92%

“…The drop in seed index under intercropping can be explained by the fact that the photosynthetic rates in soybean leaves are substantially lower than those in solid soybean. The findings of Metwally et al 22,34 , which demonstrated that intercropped soybean produced a lower seed yield than soybean with solid plantings provide credence to these results.…”

Section: Discussionmentioning

confidence: 75%

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Intercropping Some Soybean Genotypes with Corn for Producing Soybean Seeds, Quality and Land Equivalent Ratios

Metwally,

Salheen Saleh,

Abdel-Wahab

et al. 2024

Asian J. Biol. Sci

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Background and Objective: Due to the increasing feed costs that have significantly impacted the Egyptian diet by raising the prices of meat products, Egypt needs to boost its production of corn and soybeans. The main objective of the present study was to determine the best-intercropped soybean genotype to enhance productivity, quality and profitability, as well as predict the feeding efficiency for livestock, tilapia and chickens.

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Section: Discussionsupporting

confidence: 93%

Section: Discussionsupporting

confidence: 92%

Section: Discussionmentioning

confidence: 75%

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Intercropping Some Soybean Genotypes with Corn for Producing Soybean Seeds, Quality and Land Equivalent Ratios

Metwally,

Salheen Saleh,

Abdel-Wahab

et al. 2024

Asian J. Biol. Sci

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“…Intercropping can increase sustainable production and reduce chemical inputs in agricultural systems 12 – 14 , establish an ecological balance, exploit resources to a greater extent, increase yields quantitatively and qualitatively, and decrease the damage caused by pests, diseases, and weeds 15 , 16 . Therefore, reducing farmer reliance on pesticides while at the same time maintaining crop productivity and quality are key intercropping goals for sustainable farming.…”

Section: Introductionmentioning

confidence: 99%

Application of humic acid and biofertilizers changes oil and phenolic compounds of fennel and fenugreek in intercropping systems

Ghaderimokri

Rezaei‐Chiyaneh

Ghiyasi

et al. 2022

Sci Rep

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The study investigated the effect of organic/biofertilizers in intercropping patterns on seed yield and yield components and essential oil, fatty acid, and phenolic compounds of fennel (Foeniculum vulgare L.) and fenugreek (Trigonella foenum-graecum L.). Experimental treatments included the application of humic acid (HA), biofertilizers (BFS), and the unfertilized control in five planting patterns [1 row fennel + 2 rows fenugreek intercropping (1F:2FG), 2 rows fennel + 2 rows fenugreek intercropping (2F:2FG), 2 rows fennel + 4 rows fenugreek intercropping (2F:4FG), and sole cropping of each species]. Sole cropping with BFS produced the highest seed yields for fennel (2233 kg ha−1) and fenugreek (1240 kg ha–1). In contrast, the 2F:2FG intercropping ratio with BFS yielded the maximum fixed oil content for fennel (17.4%) and fenugreek (8.3%). Application of HA and BFS enhanced oil yields by 66% and 75% in fennel and 40% and 57% in fenugreek, respectively. The 2F:2FG intercropping ratio with BFS produced the maximum essential oil constituents [(E)-anethole, estragole, and fenchone] in fennel. In addition, 2F:4FG with BFS and 1F:1FG with HA produced the highest unsaturated fatty acid (oleic and linoleic acids) concentration in both species. The 2F:2FG intercropping ratio with BFS and HA produced the highest chlorogenic acid and quercetin contents, respectively, in fennel. In contrast, the 2F:4FG intercropping ratio with HA produced the highest chlorogenic acid and caffeic acid contents in fenugreek. Intercropping fennel/fenugreek with BFS or HA improved the essential oil content (fennel only), fixed oil quality and quantity, and phenolic compounds and created a more sustainable cultivation system than sole cropping systems for both species under low-input conditions.

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“…Soybean seeds (Giza 111) were obtained from Sakha Agricultural Research Station, Kafr El-Sheikh, Egypt. Giza 111 cultivar is characterized by a high number of branches, high seed yield, and lower pod splitting [31][32][33]. The seeds were surface-sterilized with 1% sodium hypochlorite for 5 min, then washed with sterilized water.…”

Section: Experimental Site Plant Materials and Agronomic Practicesmentioning

confidence: 99%

Effect of Source–Sink Ratio Manipulation on Growth, Flowering, and Yield Potential of Soybean

et al. 2021

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Trade-offs between growth and reproduction in soybean require resource availability manipulations. Decapitation and reducing sink strength through deflowering can affect the source–sink ratio that affects plant growth, development, and yield. The current study assesses the effect of decapitation (Decap) and removal of the two lowest racemes (R2LR) and their combination on growth, flowering, and yield capacity of soybean through controlling the source–sink ratio and inducing the “stay-green” phenotype. Two field experiments were conducted during 2018 and 2019 in the Agronomy Farm located at Mansoura University, Egypt. Decapitation was done at the V4 stage (35 days after sowing, DAS), during which four nodes on the main stem had fully developed leaves beginning with the unifoliolate nodes, whereas R2LR was performed at the R2 stage (50 DAS), during which the plants had one open flower at one of the two uppermost nodes on the main stem. Results indicated that Decap, R2LR, and their combination significantly increased seed yield per plant through increasing plant growth and flowering and improving biochemical attributes. The combination between Decap and R2LR was generally more effective in positively modulating plant vegetative, reproductive, and physiological capacity than either Decap or R2LR alone. Moreover, the number of branches as well as pods/plant and IAA content responded positively to Decap, whereas net assimilation rate, seed growth rate, number of flowers/node, and cytokinins content responded positively to R2LR. Decap and R2LR were interpreted in light of their effects on inducing the “stay-green” phenotype and altering the source–sink ratio. Based on the findings, it can be concluded that concealing the apical dominance in conjunction with reducing the sink strength through guided raceme removal would be beneficial for the reproductive potential in soybean.

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Screening thirty soybean genotypes under solid and intercropping plantings in Egypt

Cited by 9 publications

References 12 publications

Intercropping Some Soybean Genotypes with Corn for Producing Soybean Seeds, Quality and Land Equivalent Ratios

Intercropping Some Soybean Genotypes with Corn for Producing Soybean Seeds, Quality and Land Equivalent Ratios

Application of humic acid and biofertilizers changes oil and phenolic compounds of fennel and fenugreek in intercropping systems

Effect of Source–Sink Ratio Manipulation on Growth, Flowering, and Yield Potential of Soybean

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