The Effect of Weed Competition on Apple Fruit Quality

Atay, Ersin; Gargin, Seckin; Eşítken, Ahmet; Güzel, Nuri; Atay, Ayşe; Altindal, Mesut; Şenyurt, Hamza; Emre, Meltem

doi:10.15835/nbha45110556

Cited by 11 publications

(7 citation statements)

References 15 publications

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“…The growth and development of a plant depends largely on the availability of external factors such as water, light, nutrients and CO2 (Engineer et al, 2016). All physiological, morphological and nutritional variables are closely related to the limitation or availability of these factors in the environment (Atay et al, 2017;Abdelaal et al, 2022).…”

Section: Discussionmentioning

confidence: 99%

Growth and development of yerba mate seedlings associated with different winter cover species

De David,

Toso

et al. 2023

Braz. J. of Sci.

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The lack of knowledge of management in the application of yerba mate is the reason for the present study, given the economic importance of this crop for family farming, the economy and also the culture in the southern region of Brazil. The objective of this work was to evaluate the effects of winter cover species on the morphophysiological characteristics of yerba mate seedlings. The experimental design was laid out in randomized blocks with four replicates. The weed species used were Avena strigosa, Lolium multiflorum, Vicia sativa, Raphanus sativus, Lupinus albus, Axonopus catharinensis, the consortium between A. strigosa and V. sativa, and the control treatment without cover. Physiological (photosynthesis, stomatal conductance, transpiration, internal CO2 concentration, water use efficiency, carboxylative efficiency, and chlorophyll) and morphological (plant height, stem diameter, leaf area, shoot and of root dry matter, in addition to cover dry matter) were evaluated. There was competition between the crop and the cover plants for the factors of light and water, and the control without cultivation did not affect the morphophysiological characteristics of yerba mate. The species A. catharinensis proved to be the best cover plant because it competed less with yerba mate. The growth and development of yerba mate were affected by the presence of A. strigosa.

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Section: Discussionmentioning

confidence: 99%

Growth and development of yerba mate seedlings associated with different winter cover species

De David,

Toso

et al. 2023

Braz. J. of Sci.

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“…These trees bring direct benefits to farmers and therefore the sampled trees (of DBH 20 cm) were densely planted (mean distance 9.5 m ± 5.95 m from each other). Probably to maximize fruit productivity and allow for cultivation of other food crops, the undergrowth of orchards was cleared to facilitate access and perhaps reduce competition for water and nutrients (Atay et al 2017). The orchard trees were probably cultivated for many years, and often mango trees attained very large girths (mean of 76 cm) and crown diameter (12 cm).…”

Section: Discussionmentioning

confidence: 99%

Composition and diversity of bat assemblages at Arabuko-Sokoke Forest and the adjacent farmlands, Kenya

et al. 2019

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Recognized as a global biodiversity hotspot, coastal forests in eastern Africa are currently reduced to fragments amidst human modified habitats. Managing for biodiversity depends on our understanding of how many and which species can persist in these modified areas. Aiming at clarifying how habitat structure changes affect bat assemblage composition and richness, we used ground-level mist nets at Arabuko-Sokoke Forest (ASF) and adjacent farmlands. Habitat structure was assessed using the point-centered quarter (PCQ) method at 210 points per habitat. We captured a total of 24 bat species (ASF: 19, farmlands: 23) and 5217 individuals (ASF: 19.1%, farmlands: 82.9%). Bat diversity was higher at ASF (H′, ASF: 1.48 ± 0.2, farm: 1.33 ± 0.1), but bat richness and abundance were higher in farmlands [Chao1, ASF: 19 (19–25), farmlands: 24 (24–32) species (95% confidence interval [CI])]. Understory vegetation and canopy cover were highest at ASF and the lower bat richness and abundance observed may be the result of the under-sampling of many clutter tolerant and high flying species. Future surveys should combine different methods of capture and acoustic surveys to comprehensively sample bats at ASF. Nonetheless, the rich bat assemblages observed in farmlands around ASF should be valued and landowners encouraged to maintain orchards on their farms.

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“…The external features of apples like size or the color of the skin are determined by both agrotechnical and environmental growing conditions [29] and are important for the individual choice of fruit of the consumer [30,31]. Cover crops in apple orchards significantly increased the area of 'red skin' [7,27], but the presence of additional vegetation, even weeds, did not determine the intensity of the basic color of the fruit in the case of 'yellow peel' apple [32]. On the other hand, mean apple fruit weight and size may be reduced compared to fruits from trees grown in herbicide fallow [22,25].…”

Section: Introductionmentioning

confidence: 99%

Do Living Mulches or Environmental Conditions Have a Greater Impact on the External Quality of the Apple Fruit ‘Chopin’ Cultivar?

Licznar-Malanczuk,

Baluszynska

2024

Agriculture

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Research was carried out to assess the yield and quality of fruits from the new Polish apple tree ‘Chopin’—a ‘green peel’, scab-resistant cultivar under grass living mulch management. Blue fescue and red fescue were tested in experiment no. 1. In experiment no. 2, meadow grass and perennial ryegrass were used. Every species of grass was sown in two doses of 50 and 150 kg per ha. Herbicide fallow was introduced as a control in both experiments. Strongly variable temperatures and precipitations in the years of evaluation made it possible to estimate year—a function of variable environmental conditions—as an additional experimental factor. An unexpected effect of the presence of living mulch was its significant impact on the appearance of blush on the ‘green peel’ fruit. However, living mulches had little effect on weight and fruit size. Cool days during apple ripening enhanced the process of fruit skin red coloration. The effect of both agrotechnical and environmental factors on fruit quality was more visible in the case of less vigorous trees, which were more susceptible to experimental, stressful conditions. However, increasing the sowing dose of each grass seed did not influence red blushing, weight, or fruit size. An additional difficulty for the trees was the competition caused by the early germination of these living grass mulches, reinforced by the presence of Trifolium repens L.

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The Effect of Weed Competition on Apple Fruit Quality

Cited by 11 publications

References 15 publications

Growth and development of yerba mate seedlings associated with different winter cover species

Growth and development of yerba mate seedlings associated with different winter cover species

Composition and diversity of bat assemblages at Arabuko-Sokoke Forest and the adjacent farmlands, Kenya

Do Living Mulches or Environmental Conditions Have a Greater Impact on the External Quality of the Apple Fruit ‘Chopin’ Cultivar?

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