Effect of plant spacing on growth and yield of lettuce (<i>Lactuca sativa</i>L.) in a soilless production system

Maboko, Martin Makgose; Plooy, C. P. du

doi:10.1080/02571862.2009.10639954

Cited by 30 publications

(22 citation statements)

References 9 publications

(3 reference statements)

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“…In the second experiment, the highest leaf fresh mass, leaf area and total plant fresh mass were recorded on plants grown at a plant density of 40 plants/m 2 , compared to 10, 16, 20 and 25 plants/m 2 ( Table 1). The results are in agreement with previous findings on other crops, namely, Swiss chard (Echer et al 2012;Maboko & Du Plooy 2013), oil thyme (Badi et al 2004) and leafy lettuce (Maboko & Du Plooy 2009), where leaf yield per unit area increased due to increased plant density, while leaf yield per plant decreased with increasing plant density. Although the lower plant density of 10 plants/m 2 gave more leaves, larger leaf area, leaf fresh and dry mass, and total plant fresh and dry mass per plant, as compared to the higher plant densities, it still resulted in lower yield per unit area.…”

Section: Effect Of Plant Densitysupporting

confidence: 94%

High-plant density planting of basil (Ocimum basilicum) during summer/fall growth season improves yield in a closed hydroponic system

Maboko

Plooy

2013

Acta Agriculturae Scandinavica, Section B - Soil & Plant Sc

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Section: Effect Of Plant Densitysupporting

confidence: 94%

High-plant density planting of basil (Ocimum basilicum) during summer/fall growth season improves yield in a closed hydroponic system

Maboko

Plooy

2013

Acta Agriculturae Scandinavica, Section B - Soil & Plant Sc

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“…Significantly higher leaf area (48.24 cm 2 ) was found from wider spacing (2 cm × 2 cm), and smaller (12.58 cm 2 ) was found in closer spacing, which was statistically similar to T2 (1 cm× 1 cm) and T3 (1.5 cm× 1.5 cm). A similar result was found by Maboko and Du Plooy (2009) in lettuce. Lower plant density has greater available space for growth resource procurement and sinks development and results for an increase in leaf area (Henderson et al, 2000).…”

Section: Effect Of Spacing On Plant Height and Root Lengthsupporting

confidence: 88%

Effects of Seeding Density on Growth Attributes of Broadleaf Mustard in Nursery Bed

Niraula¹,

Timilsina

2020

Int J Appl Sci Biotechnol

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The productivity of crops is highly affected by the seedling quality, which is governed by seeding density in the nursery. So, an experiment was conducted to explore the effect of seedling spacing in the growth attributes of Broad Leaf Mustard cv. “Marpha Chauda Paate” at IAAS, Lamjung Campus, during Oct 2018. Four spacing treatments viz 0.5 cm × 1 cm, 1 cm × 1 cm, 1.5 cm ×1.5 cm and 2 cm × 2 cm were arranged in RCB Design with 5 replications. Observation of seedling height, leaf area, leaf number, shoot & root fresh weights, shoot dry matter, and dry matter percentage from twenty-three days old seedlings were recorded. The total leaf area was estimated using the Image-J package. Data were tabulated in MS Excel and analyzed by Gen Stat. Treatments differed significantly in seedling height, shoot and root fresh weight, leaf area, root length, and shoot dry weight, while the number of leaves and dry matter percentage did not differ statistically. Maximum shoot fresh weight (1.09 g), shoot dry weight (0.11 g), leaf area (48.24 cm2), root length (4.89 cm), root fresh weight (0.03 g) per plant and shoot dry matter percentage (9.24%) were found in widest spacing (2 cm × 2 cm). However, seedling height was recorded higher in closer spacing. Therefore, the study of the overall characteristics asserted that the seed spaced at 2 cm × 2 cm produced superior seedling over all other spacings. Int. J. Appl. Sci. Biotechnol. Vol 8(1): 65-70

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“…Lettuce is an important leafy vegetable crop, contains many essential elements and vitamins for human healthy, like calcium, iron as well as vitamin A. In addition lettuce contains low calories, so be suitable for decrease human body weight (Maboke, 2009). Lettuce planted in many seasons and its different varieties tolerate a wide range of environmental condition.…”

Section: Introductionmentioning

confidence: 99%

Effectiveness of Organic Fertigation and Moringa Leaf Extract Spray as an Alternative to Chemical Fertigation for Improving Yield and Quality of Lettuce under Soilless Condition

Elbagory

2019

EBSS

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T WO experiments were conducted at Sakha Agricultural Research Station, Bacteriology Lab greenhouse for studying the effect of fertigation with fish extract organic solution as an alternative to mineral nutrient solution as well as foliar spray with moringa leaf extract on morphological, chemical, microbial characteristics and yield of lettuce plant grown under soilless system during winter seasons of 2014 and 2015. In general, the results indicated that fertigation with the fish extract organic nutrient solution increase all the studied characteristics compared to fertigation with the mineral nutrient solution, except for NO 3 content which sharply decreased due to organic nutrition treatment which attained 157.52 and 175.24 (mg plant-1) compared to 497.14 and 476.8 (mg plant-1) for mineral nutrition treatment at 2014 and 2015 seasons, respectively. Similarly, foliar spray with moringa extract with mineral nutrition decreased nitrate content (463.46 and 450.16 mg plant-1) lower than mineral nutrition without spray (497.14 and 476.8 mg plant-1) at 2014 and 2015 seasons, respectively. Therefore, positive results on vegetative growth, chemical characteristics and yield of lettuce plant grown under soilless system by using of fertigation with fish extract organic solution and foliar spray with moringa leaf extract to decrease the nutritive gap and vegetables nitrate pollution problems as well as partially avoid the problem of irrigation water shortage.

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Effect of plant spacing on growth and yield of lettuce (Lactuca sativaL.) in a soilless production system

Abstract: To cite this article: M.M. Maboko & C.P. Du Plooy (2009) Effect of plant spacing on growth and yield of lettuce (Lactucasativa L.) in a soilless production system, South African Journal of Plant and Soil, 26:3,[195][196][197][198]

Cited by 30 publications

References 9 publications

High-plant density planting of basil (Ocimum basilicum) during summer/fall growth season improves yield in a closed hydroponic system

High-plant density planting of basil (Ocimum basilicum) during summer/fall growth season improves yield in a closed hydroponic system

Effects of Seeding Density on Growth Attributes of Broadleaf Mustard in Nursery Bed

Effectiveness of Organic Fertigation and Moringa Leaf Extract Spray as an Alternative to Chemical Fertigation for Improving Yield and Quality of Lettuce under Soilless Condition

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