The Effects of Colored Plastic Mulches and Row Covers on the Growth and Yield of Okra

Gordon, Garry; Foshee, Wheeler G.; Reed, Sandra M.; Brown, James E.; Vinson, Edgar

doi:10.21273/horttech.20.1.224

Cited by 36 publications

(32 citation statements)

References 33 publications

(36 reference statements)

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“…Maximum plant height in chilli was observed at 45 DAT, 90 DAT, 135 DAT in silver polythene mulch (Dattatraya, 2014). Darker plastic mulches had higher yield on okra as compared to bare plot which is in accordance with (Gordon et al, 2010). Similarly, Black plastic mulch gives higher yield as compared to organic mulches and control condition (Bhaduria & Kumar, 2006).…”

Section: Discussionsupporting

confidence: 69%

Effect of different spacing and mulching on growth and yield of Okra (Abelmoschus esculentus L.) in Chitwan, Nepal

Jha

Neupane

Khatiwada

et al. 2018

J. Agric. Nat. Res.

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Okra (Abelmoschus esculentus L.) is one of the most important vegetable crop of Nepal. Its yield and growth parameters are affected by different cultural practices. This study was conducted at Olericulture Farm of Agriculture and Forestry University, Rampur, Chitwan, Nepal during April 29 to July 9 of 2018. The field experiment was carried out in split plot design using three replications. The treatments consisted of three intra row spacing (30, 45 and 60 cm) and four different mulching materials (Silver plastic, Panicum repens, Lantana camara and bare soil). The objective of this experiment was to assess the effects of various intra-row spacings and mulching materials on growth and yield of okra. The effect of mulching materials on okra yield was found significant. The okra yield was highest (8104 kg/ha) under silver plastic mulch followed by control (5161kg/ha), Panicum repens (3901kg/ha) and Lantana camera (3701kg/ha), respectively. Silver plastic mulch enhanced the growth parameters like canopy length, plant height, leaf number, leaf length, girth and yield of okra. The spacings provided non significant effect on okra yield, however the yield of okra was highest (7295 kg/ha) under 30×30 cm spacing followed by 45×30 cm (4660 kg/ha) and 60 cm × 30 cm spacing (3703 kg/ha), respectively. Combination of silver plastic mulch along with 30 cm × 30 cm spacing provided the highest okra yield. This study suggests that farmers of the Chitwan should grow okra at spacing of 30 cm × 30 cm and under silver plastic mulch to produce higher yield.

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Section: Discussionsupporting

confidence: 69%

Effect of different spacing and mulching on growth and yield of Okra (Abelmoschus esculentus L.) in Chitwan, Nepal

Jha

Neupane

Khatiwada

et al. 2018

J. Agric. Nat. Res.

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“…In contrast to the previously mentioned studies, several authors did not recommend the use of PCT because of insufficient return on investment, for example for the cultivation of okra (Abelmoschus esculentus) using row covers in Alabama (Gordon et al 2010), or for the cultivation of melon (Cucumis melo L.) under row covers in Mexico (Farias-Larios et al 1996), or for the cultivation of tomatoes under rain shelters in Taiwan (Midmore et al 1997).…”

Section: Profitability Of Protected Cultivationmentioning

confidence: 98%

Protected cultivation of vegetable crops in sub-Saharan Africa: limits and prospects for smallholders. A review

Nordey

Basset-Mens

Bon

et al. 2017

Agron. Sustain. Dev.

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Vegetable production in sub-Saharan Africa faces numerous agronomic constraints that will have to be overcome to feed the increasing population and to fight malnutrition. Technology transfer and the adoption of low-tech protected cultivation techniques affordable for smallholders are believed to be able to meet this challenge. Protected cultivation techniques are a set of agricultural practices aimed at artificializing the crop environment through the use of soil covers and/or plant covers to control pests and climatic conditions. Although protected cultivation techniques may increase the yield and quality of vegetable crops and extend their production periods worldwide, the transfer of these techniques in sub-Saharan Africa raises questions about their agronomical performances, their profitability but also their environmental impacts. Are low-tech protected cultivation techniques adapted to the sustainable production of vegetables by smallholders in sub-Saharan Africa? To answer this question, we present an overview of the agronomic, economic, and environmental performances of low-tech protected cultivation techniques in sub-Saharan Africa as reported in the literature. The major conclusions that can be drawn from the review are (1) low-tech protected cultivation techniques are not suitable in all climatic conditions in sub-Saharan Africa and need to be combined with other methods to ensure adequate pest control, (2) the profitability of protected cultivation techniques relies on the capacity to offset increased production costs by higher yields and higher selling prices to be obtained with off-season and/or higher quality products, (3) breaking with existing cropping systems, the lack of technical support and skills, and the limited access to investment funding are major obstacles to the adoption of protected cultivation techniques by smallholders (4) life cycle assessments conducted in northern countries suggested that more efficient use of agricultural inputs would offset the negative impacts of protected cultivation techniques if they are properly managed, but further studies are required to be sure these results can be extrapolated to sub-Saharan Africa context. (Résumé d'auteur

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“…In addition to grafting, the use of plastic mulch is another alternative disease management practice. Although black polyethylene mulch is the standard mulch type used in vegetable production (Gordon et al, 2010), clear plastic mulch absorbs 5%, reflects 11%, and transmits 84% of radiation, thereby leading to higher soil temperature under the mulch (Gough, 2001;Tarara, 2000). Soil solarization can occur when temperature exceeds 30°C and has been shown to be effective in controlling soilborne pathogens and nematodes, as well as weed seeds and seedlings (Elmore et al, 1997).…”

mentioning

confidence: 99%

Grafting Watermelon and Using Plastic Mulch to Control Verticillium Wilt Caused by Verticillium dahliae in Washington

Dabirian¹,

Inglis²,

Miles³

2017

horts

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Verticillium wilt, caused by the soilborne fungus Verticillium dahliae, is a significant disease affecting watermelon (Citrullus lanatus) production in Washington State. This field study at three locations in Washington in 2015 compared verticillium wilt susceptibility, fruit yield and quality of nongrafted watermelon, and grafted plants grown with black plastic and clear plastic mulch. Overall for grafting treatments, area under disease progress curve (AUDPC) values were higher for nongrafted ‘TriX Palomar’ (765) than for ‘TriX Palomar’ grafted onto ‘Super Shintosa’ (132), ‘Tetsukabuto’ (178), or ‘Just’ (187). Overall for mulch, the AUDPC value was higher for plants grown with black plastic mulch (385) than for plants grown with clear plastic mulch (237). Overall for location, the AUDPC value was lowest at Eltopia (84), intermediate at Othello (182), and highest at Mount Vernon (680). At season end, more Verticillium microsclerotia were present in stems of nongrafted ‘TriX Palomar’ than in grafted treatment stems at Eltopia and Mount Vernon, but not at Othello. Differences in microsclerotia presence occurred only in the top or scion portion of the stem, but not in the graft union, rootstock, or crown portions of the stem. There was no difference due to mulch in regard to Verticillium microsclerotia detected in stem assays. After harvest, V. dahliae soil density under black plastic mulch increased 6-fold at Eltopia, 4.7-fold at Othello, and 1.9-fold at Mount Vernon. In contrast, V. dahiae soil density under clear plastic mulch was nearly identical to the level at planting at each location (<1, 2.6, and 27 cfu/g at Eltopia, Othello, and Mount Vernon, respectively). There was a significant interaction between grafting and location for fruit yield such that there was no difference at Eltopia and Othello, but at Mount Vernon, yield of nongrafted ‘TriX Palomar’ was lower (7.4 kg/plant) than for grafted plants (average 13.0 kg/plant). The number and weight of marketable fruit per plant were higher at Othello (4.0 and 27.65 kg/plant, respectively) than at Eltopia (2.0 and 12.23 kg/plant, respectively) and Mount Vernon (2.2 and 11.63 kg/plant, respectively). Fruit firmness was greater overall for all three grafted treatments (average 2.67 N) than for nongrafted ‘TriX Palomar’ (2.20 N), but there was no difference in total soluble solids (TSS) or lycopene content of fruit due to grafting. Yield, fruit firmness, and TSS did not differ due to mulch type; however, lycopene content was greater for plants grown with black plastic mulch than with clear plastic mulch at Eltopia. There was no difference in TSS due to location, but fruit firmness was lower at Eltopia and Othello (2.20 and 2.44 N, respectively) than at Mount Vernon (3.00 N), whereas lycopene content was less at Mount Vernon (27.85 μg·g−1) than at Eltopia or Othello (38.58 and 36.54 μg·g−1). The results of this study indicate that although verticillium wilt symptoms were visible in watermelon plants when V. dahliae level was <3 cfu/g of soil, watermelon yield was not reduced. However, when V. dahliae soil density was >50 cfu/g of soil, yield was greater for grafted plants and for plants grown with clear plastic mulch.

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The Effects of Colored Plastic Mulches and Row Covers on the Growth and Yield of Okra

Cited by 36 publications

References 33 publications

Effect of different spacing and mulching on growth and yield of Okra (Abelmoschus esculentus L.) in Chitwan, Nepal

Effect of different spacing and mulching on growth and yield of Okra (Abelmoschus esculentus L.) in Chitwan, Nepal

Protected cultivation of vegetable crops in sub-Saharan Africa: limits and prospects for smallholders. A review

Grafting Watermelon and Using Plastic Mulch to Control Verticillium Wilt Caused by Verticillium dahliae in Washington

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