Response of Some Sunflower Hybrids to Different Levels of Plant Density

Ibrahim, H. M.

doi:10.1016/j.apcbee.2012.11.030

Cited by 42 publications

(41 citation statements)

References 9 publications

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“…The distance between row and plant depend on the production purpose, soil fertility and plant structure. According to Ibrahim (2012), plant density per unit area determines the optimal above the ground conditions that allow the plant to be affected by the growth factors, light, water, temperature, nutrition. These influence productivity and hence the final yield.…”

Section: Introductionmentioning

confidence: 99%

Influence of plant spacing on the growth and yield of tomato (Lycopersicon esculentum Mill.) varieties

Falodun¹,

Emede²

2019

Agrosearch

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Field studies on the effect of plant spacing on three varieties of tomato (Lycopersicon esculentum Mill.) was carried out at the Experimental Farm of the Department of Crop Science, Faculty of Agriculture, University of Benin, Benin City. Three varieties of tomato and three spacing regimes were used. The experiments were laid out in 3x3 factorial combination in a randomized complete block design (RCBD) in three replications. The treatments had three varieties of tomato (Roma savanna, UC 82, and Roma VF) and three plant spacing regimes (75 cm x 40 cm, 75 cm x 50 cm, and 75 cm x 60 cm). The results obtained showed that the effect of variety on the vegetative characters was significant (p ≤ 0.05) but did not follow a particular order. The narrowest spacing of 75 cm x 40 cm showed superiority in plant height and leaf area compared with the wider plant spacing of 75 cm x 50 cm and 75 cm x 60 cm. Roma savanna attained 50% flowering earlier and had the highest number of fruits per plant (10.01) and fruit yield (10.87 t/ha) compared with UC 82 (6.73 and 8.73 t/ha) and Roma VF varieties (7.66 and 8.28 t/ha). Significant yield differences were recorded in tomato plants spaced at 75 cm x 40 cm and 75 cm x 50 cm which produced statistically similar fruit yield of (10.41 t/ha) and (9.76 t/ha) respectively above the yield of (7.72 t/ha) obtained from plants spaced at 75 cm x 60 cm.

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Section: Introductionmentioning

confidence: 99%

Influence of plant spacing on the growth and yield of tomato (Lycopersicon esculentum Mill.) varieties

Falodun¹,

Emede²

2019

Agrosearch

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“…Previous studies carried out on plant density indicate its direct influence on different crop yield (Castille et al, 1996;Wang et al, 1997;Castellanos et al, 2004;Lima et al, 2012;Ibrahim, 2012;Zhang et al, 2012;Souza et al 2013;Nyakudya and Stroosnijder, 2014). They indicated that although plant yield increased when the higher plant density were used but the yield improvement occurring at increased plant stand is offset by the reduction in bulb size which severely affects quality and market value, when garlic is produced for fresh market (Castellanos et al, 2004).…”

Section: Introductionmentioning

confidence: 99%

Between-row spacing and local accession on the yield and quality of garlic

2016

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Garlic is primarily grown for its cloves used mostly as a food flavoring condiment. Previous studies carried out on plant density indicate its direct influence on yield. Plant density depends on the genotype, environmental factors, cultural practices, etc. This study was established to determine the effects of different between-row spacing on growth, yield, and quality of four local accession of garlic. It was laid out on two-factorial Randomized Complete Block Design with three replications during two years. Four local accession of garlic (Langroud, Tarom, Tabriz and Hamedan) were culture in three between-rows spacing (15, 25 and 35 cm) during two years. The results of two cultivated years were different. Plant density changed when garlic cultured with different between row spacing. In present research plant yield increased when the lower between row spacing and high plant density were used but the yield improvement occurring at increased plant stand is offset by the reduction in bulb size and some quality indices such as total phenol and antioxidant which severely affects quality and market value, when garlic is produced for fresh market.Keywords: harvesting index, bulb yield, antioxidant capacity, total phenol Espaçamento entre linhas e acessos locais na produtividade e qualidade do alho ResumoO alho é cultivado principalmente por seus dentes e é usado principalmente como um condimento. Estudos anteriores realizados sobre densidade de plantas indicam a sua influência direta sobre o rendimento. A densidade de plantas depende do genótipo, fatores ambientais, práticas culturais, etc. Este estudo foi estabelecido para determinar os efeitos de diferentes espaçamentos entre linhas no crescimento, rendimento e qualidade de quatro acessos locais de alho. O delineamento foi blocos casualizados em esquema fatorial, com três repetições, durante dois anos. Quatro acessos locais de alho (Langroud, Tarom, Tabriz e Hamedan) foram cultivados em três espaçamentos entre linhas (15, 25 e 35 cm) durante dois anos. Os resultados de dois anos cultivados foram diferentes. A densidade de plantas foi alterada quando o alho foi cultivado em diferentes espaçamentos entre linhas. Na presente pesquisa a produtividade por planta aumentou quando o espaçamento entre linhas foi inferior e alta densidade de plantas foram utilizadas, mas a melhoria de rendimento ocorre melhor estande de plantas e redução no tamanho do bulbo e de alguns índices de qualidade, tais como fenóis totais e antioxidantes que afetam severamente a qualidade e valor de mercado, quando o alho é produzido para o mercado in natura.Palavras-chave: índice de colheita, produção de bulbos, capacidade antioxidante, fenóis totais

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“…Plant density per unit area determines the optimal above ground conditions that allows the plant to acquire the essential growth elements (light,CO2,etc. ) that influence the productivity of dry matter and hence the final yield (Ibrahim, 2012). Under higher plant density, plant growth rate is decreased due to reduced light interception per plant (Heuvelink, 1995).…”

Section: Introductionmentioning

confidence: 99%

Plant Spacing and Cultivar Affects Yield Components, Qualitative Traits and Early Ripening of Tomato (Lycopersicon esculentum)

Mamnoie

Dolatkhahi

2013

Not Sci Biol

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Two-year field trial was set up on sandy clay soil in the Jiroft and Kahnouj Agricultural Research Center with the objective to determine the effect of plant spacing and different cultivars on the yield and qualitative characteristics of tomato (Lycopersicon esculentum). This experiment was performed as split plot based on complete randomized block design with 3 replications. The main plots were in -row spacing in 4 levels include 0.3, 0.4, 0.5 and 0.6 m and the subplots were cultivars naming 'Shef ' , 'Peto Early CH' and 'FDT 202' . The results showed that, fruit length to diameter ratio, total acidity, fruit number per plant, mean fruit weight, yield per plant, total yield and first harvest to total harvests ratio were significantly affected by plant spacing. In addition, cultivars showed significant effect on all traits evaluated (p<0.01). In this experiment, fruit length to diameter ratio and total acidity increased as plant spacing increased, however it had no effect on total soluble solids. In this study, total fruit yield is being increased while the yield per plant, number of fruit per plant and fruit weight is being reduced by increased number of plants per unit area. Although among tomato cultivar, 'Peto Early CH' had a higher yield over other cultivars, but cultivar 'Shef ' showed higher yield in the first harvest. Generally it seems according to the results collected that plant spacing 0.3 m and 'Shef ' cultivar owing to better adaptation and higher commercial yield for production in Jiroft city is suggested.

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Response of Some Sunflower Hybrids to Different Levels of Plant Density

Cited by 42 publications

References 9 publications

Influence of plant spacing on the growth and yield of tomato (<i>Lycopersicon esculentum</i> Mill.) varieties

Influence of plant spacing on the growth and yield of tomato (<i>Lycopersicon esculentum</i> Mill.) varieties

Between-row spacing and local accession on the yield and quality of garlic

Plant Spacing and Cultivar Affects Yield Components, Qualitative Traits and Early Ripening of Tomato (<i>Lycopersicon esculentum</i>)

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