Rejuvenating soybean (Glycine max L.) growth and development through slight shading stress

Wen, Bingxiao; Hussain, Sajad; Yang, Jia-yue; Wang, Shan; Zhang, Yi; Qin, Sisi; Xu, Ming; Yang, Wenyu; Liu, Weiguo

doi:10.1016/s2095-3119(20)63159-8

Cited by 15 publications

(9 citation statements)

References 40 publications

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“…These three camelina genotypes could grow under the shade level of up to 25% natural light reduction, producing the similar seed yield and oil quality. In the maizesoybean intercropping system, the mean natural light interception has been previously reported as about 40 ~ 50% (Wen et al, 2020).…”

Section: Discussionmentioning

confidence: 94%

“…These three camelina genotypes could grow under the shade level of up to 25% natural light reduction, producing the similar seed yield and oil quality. In the maize-soybean intercropping system, the mean natural light interception has been previously reported as about 40 ~ 50% ( Wen et al, 2020 ). A previous study conducted in the U.S. Midwest (North Dakota) showed that intercropping a winter camelina ‘Jeolla’ into standing maize at V4-V5 or soybean at V3-V4 could avoid competition and maximize the crop yields of the intercropping system ( Berti et al, 2017 ).…”

Section: Discussionmentioning

confidence: 98%

“…The advantage of the intercropping system includes increasing crop yield ( Zhang et al, 2007 ), improving farmland use efficiency ( Dhima et al, 2007 ), and reducing disease and pest damage ( Sarrantonio and Gallandt, 2003 ; Banik et al, 2006 ). However, in this system, the shorter crops (i.e., soybean) suffered shade that resulted from the taller crops (i.e., maize) and received low amounts of sunlight for photosynthesis ( Fan et al, 2018 ; Wen et al, 2020 ), which potentially affected the growth and development of the shorter crop ( Wang et al, 2007 , 2013 ). As a previous study reported, while intercropping of maize and soybean increased the economic benefits than that of sole soybean cropping ( Yang et al, 2015 ), the seed quality and yield potential of soybean were significantly decreased due to the shade resulting from the maize ( Wang et al, 2007 , 2013 ).…”

Section: Introductionmentioning

confidence: 99%

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Agronomic evaluation of shade tolerance of 16 spring Camelina sativa (L.) Crantz genotypes under different artificial shade levels using a modified membership function

Wang

Yu²,

Gao³

et al. 2022

Front. Plant Sci.

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Camelina [Camelina sativa (L.) Crantz] is currently gaining considerable attention as a potential oilseed feedstock for biofuel, oil and feed source, and bioproducts. Studies have shown the potential of using camelina in an intercropping system. However, there are no camelina genotypes evaluated or bred for shade tolerance. The objective of this study was to evaluate and determine the shade tolerance of sixteen spring camelina genotypes (growth stage: BBCH 103; the plants with 4–5 leaves) for intercropping systems. In this study, we simulated three different shade levels, including low (LST), medium (MST), and high shade treatments (HST; 15, 25, and 50% reduction of natural light intensity, respectively), and evaluated the photosynthetic and physiological parameters, seed production, and seed quality. The mean chlorophyll pigments, including the total chlorophyll and chlorophyll a and b across the 16 genotypes increased as shade level increased, while the chlorophyll fluorescence parameter Fv/Fm, chlorophyll a/b, leaf area, the number of silicles and branches plant−1 decreased as shade level increased. The first day of anthesis and days of flowering duration of camelina treated with shade were significantly delayed and shortened, respectively, as shade increased. The shortened lifecycle and altered flowering phenology decreased camelina seed yield. Additionally, the shade under MST and HST reduced the seed oil content and unsaturated fatty acids, but not saturated fatty acids. The dendrograms constructed using the comprehensive tolerance membership values revealed that CamK9, CamC4, and ‘SO-40’ were the relatively shade-tolerant genotypes among the 16 camelina genotypes. These camelina genotypes can grow under the shade level up to a 25% reduction in natural light intensity producing a similar seed yield and seed oil quality, indicating the potential to intercrop with maize or other small grain crops. The present study provided the baseline information on the response of camelina genotypes to different shade levels, which would help in selecting or breeding shade-tolerant genotypes.

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Section: Discussionmentioning

confidence: 94%

Section: Discussionmentioning

confidence: 98%

Section: Introductionmentioning

confidence: 99%

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Agronomic evaluation of shade tolerance of 16 spring Camelina sativa (L.) Crantz genotypes under different artificial shade levels using a modified membership function

Wang

Yu²,

Gao³

et al. 2022

Front. Plant Sci.

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“…Nevertheless, shading can influence the development of soybean grown in ICLF systems, causing an increase in leaf area, elongation of the main stem and branches, and a reduction in photosynthetic rate (WEN et al, 2020). According to PEZZOPANE et al (2020), management of tree stands by thinning and pruning can help to maintain the balance between the yields of the various ICLF components.…”

Section: Introductionmentioning

confidence: 99%

Effect of thinning eucalyptus trees on soybean productivity in integrated crop-livestock-forestry systems

et al. 2023

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The aim of the study was to evaluate the effects of integrated crop-livestock-forestry (ICLF) systems and the thinning of eucalyptus trees on the agronomical performance of soybean. Treatments consisted of cultivation under: crops under full sunlight (CFS) conditions; ICLF with triple-row tree configuration (ICLFT) in which trees were submitted to selective thinning in the fifth year after planting through removal of 50% of trees while maintaining triple-row bands; and ICLF with single-row tree band configuration (ICLFS) in which the lateral rows of the triple-row tree bands were subjected to systematic thinning at the fourth year after planting. The physiological and agronomical variables of the soybean crop were evaluated at the R5 and R8 reproductive stages during the eighth harvesting season (2018/2019). Soybean sampling was carried out at five random positions in the CFS and in four transects at distances of 3, 6, 10 and 15 m from the tree bands in both the north and south faces of the ICLF systems. There were no differences between soybean grown under the ICLF and CFS systems with respect to specific leaf area, plant density, lodging index and mass of a thousand grains. However, the ICLF increased dry leaf mass and leaf area index and reduced soybean plant heights. Soybean productivity was reduced by 26% in ICLF-T and 14% in ICLF-S, that is, a 12% reduction in the productivity loss with systematic thinning. It is concluded that ICLF reduces soybean productivity in the effective grain production area of the system, regardless of the degree of thinning, although systematic thinning by removing the lateral tree lines to conversion of triple-rows into single-rows minimizes the loss of soybean grain yield.

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“…The decrease occurs in the photochemical change of electron transport and maximum quantum yield (Fv/Fm). Shade-free (S0) causes morphological and physiological plasticity to be more adaptable than (S1), (S2), (S3) to the decrease in biomass weight of seeds (Wen et al, 2020). Testing 6 gibberellin levels consisting of K: 0 ppm (control), G1: 50 ppm gibberellin, G2: 100 ppm gibberellin, G3: 150 ppm gibberellin, G4: 200 ppm gibberellin, and G5: 250 ppm gibberellin.…”

Section: Introductionmentioning

confidence: 99%

The Effect of Concentration and Frequency of Application of Banan Weevil Solution Kepok on Red Chili

Tobing

Mulyaningsih

Danuningrat

2021

IJAR

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The purpose of the study is to determine the effect of concentration and frequency of application of banana weevil solution kepok against red chili plants is roofed with translucent ultraviolet plastic 70% which acts as a natural growth regulator. Research on the provision of banana weevil solution covered in 70% translucent ultraviolet plastic in open land has not been found before. The growing regulators from the gibberellin and cytokinin groups were able to boost the growth and yield of chili peppers. The method of using a random design of factorial groups, as the first factor is age consists of 9 levels, namely T1: age (14) HSPT, T2: age (14.21) HSPT, T3: age (14,21,28) HSPT, T4: age (14,21,28, 35) HSPT, T5 : age (14,21,28,35, 42) HSPT, T6: age (14,21,28,35,42,49) HSPT, T7: age (14,21,28,35,42,49,56) HSPT, T8: age (14,21,28,35,42,49,56,63) HSPT, and control (T0). The second factor is concentration consists of 3 levels, namely K1 (30%), K2 (45%), and K0 (0%). The results of the study obtained concentration of K1 (30%) with the amount of T6 administration is the best result in vegetative growth of the plant height change, the number of branches, and the width of the header, while the concentration of K1 (30%) give the best results on the length of the fruit, the dry weight of the fruit, and the diameter of the fruit from other treatments. Conclusion of the application of concentration and frequency of the sea of banana weevil kepok containing regulatory substances growing on red chili plants in the field covered with ultraviolet plastic roof significantly increases the growth and yield of red chili peppers.

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Rejuvenating soybean (Glycine max L.) growth and development through slight shading stress

Cited by 15 publications

References 40 publications

Agronomic evaluation of shade tolerance of 16 spring Camelina sativa (L.) Crantz genotypes under different artificial shade levels using a modified membership function

Agronomic evaluation of shade tolerance of 16 spring Camelina sativa (L.) Crantz genotypes under different artificial shade levels using a modified membership function

Effect of thinning eucalyptus trees on soybean productivity in integrated crop-livestock-forestry systems

The Effect of Concentration and Frequency of Application of Banan Weevil Solution Kepok on Red Chili

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