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Effect of Plant Population Density on Growth and Leaf Yield of Moringa Oleifera Lam. By clicking accept or continuing to use the site, you agree to the terms outlined in our. Adam, Eveline Published online by Cambridge University Press: Over the range of the densities studied grain yield was positively related to number of side branches but negatively related to dry-matter production, leaf area duration and percentage of light intercepted. Total loading time: 0.228 The plant population range for confection-type sunflower hybrids ranges from 12,000 to 18,000 plants per acre. 2015, International journal of Advanced Biological and Biomedical Research. Effect of Plant Growth Regulators on Yield and Quality of Tomato (Solanum Lycopersicum L.) Under Mid-Hill Conditions of Himachal Pradesh Keywords. An experiment was undertaken to determine the yield component and yield of haricot bean (Phaseolus vulgaris L.) varieties in the semiarid region of Dire Dawa, Ethiopia. To determine the effect of different plant densities on the yield and growth of common bean. In contrast a 2003 Michigan survey found spacings as close as 12 inch rows with 4 inches between plants within the row (about 130,000 plants/acre . 2007. "shouldUseHypothesis": true, with increase in plant density from 74 to 111, 222, and 444 thousand plants per hectare. Acock, B. Fye, R.E. Good puddle field conditions are needed to create a favorable environment for normal growth of rice plants. for this article. Cultural practices to optimize oilseed production were studied for 4 years (1974-1977) to obtain information on. The effects of photosynthetic photon flux (PPF), day temperature (DT) and night temperature (NT) on leaf number, leaf unfolding rate and shoot length were determined for chrysanthemum grown under short day (SD) conditions. You can download the paper by clicking the button above. Werni, Christian A field experiment was conducted at wondo genet Agriculture research center under the irrigated conditions to determine the effect of intra and inter-row spacing on growth and yield of Artemisia (Artemisia annua L.) during the two successive seasons Effect of plant population on growth and yield of soya bean( Glycine max ) @article{Enyi1973EffectOP, title={Effect of plant population on growth and yield of soya bean( Glycine max )}, author={B. Medicine Insect Science. Pucher, Michael A. Field experiments were conducted to evaluate plant population and N-fertilizer effects on yield and yield components of maize (Zea mays L.).Three levels of plant populations (53000, 66000, and 800000 plants ha 1 corresponding to spacings of 75 25, 60 25, and 50 25 cm) and 4 doses of N (100, 140, 180, and 220 kg ha 1) were the treatment variables. interaction effects on grain yield were significantly higher under the highest PPD (148,148. plants/ha) and 20, 40 and . However, this population-virus interaction was not evident when examining individual components of fitness. Periodical Article for Undergraduate. The experimental approach was to grow field corn at various population densities to permit variations in amount and manner of light interception, and the growth rate of the crop in terms of dry matter accumulated in both shoot and root tissues is interpreted in relation to light interception by the foliage assemblages. Render date: 2022-11-04T02:21:12.256Z BEGONIA, G. B. Yield per plant decreases gradually as plant population per unit area is increased, but yield per unit area increases upto certain level of population 8. hasContentIssue true, Copyright Cambridge University Press 1973. The effect of virus on population growth rate depended on virus species and wild C. pepo population. The zinc fertilizer and zinc-solubilizing bacteria positively affected the growth and yield parameters, viz. The only reliable method of determining the fertilizer needs of a lawn is through a soil test to reveal the soil's native fertility, which will pinpoint potential problems you could not be aware of. This study investigated the effect of M. graminicola population densities on plant height, heading, and the photosynthetic parameters of rice in a greenhouse. In population ecology and economics, maximum sustainable yield (MSY) is theoretically, the largest yield (or catch) that can be taken from a species' stock over an indefinite period.Fundamental to the notion of sustainable harvest, the concept of MSY aims to maintain the population size at the point of maximum growth rate by harvesting the individuals that would normally be added to the . McKinion, J.M. "displayNetworkMapGraph": false, The proportion of dry matter accumulated in the pods and side branches decreased with increase in population, whereas the proportion accumulated in the main stem increased. In a study to determine the effects of plant population density on sorghum, Tabo et al. Relationship Between Spacing and Grain Yield of Rice Plant Japanese Journal of Crop Science. To quantify the impact of different agronomic management practices on soybean productivity, two studies were conducted to determine the value of the foliar application of two different foliar manganese products to relieve yellow flashing in glyphosate resistant soybeans sprayed with the herbicide glyphosate. Many of the plant spacing effects on plant growth and phenology are phytochrome-mediated responses along with plant competition for resources such as water, nutrients, . Grain yield per hectare decreased by 38, 51, and 72% respectively with the increases in plant population, but yield of total dry matter per hectare showed a significant increase with density. McKinion, J.M. Puddling is an important operation to minimize soil nutrient leaching and thereby increasing the availability of plant nutrients and achieving reduced soil condition. Information on optimum fertilizer rates and plant population density has not been. The proportion of dry matter accumulated in the pods and side branches decreased with increase in population, whereas the proportion accumulated in the main stem increased. "displayNetworkTab": true, The interaction effect of the two factors brought about significant variation on aboveground biomass, leaf fresh weight, leaf dry weight, and Essential oil yield. ., Shahin Yazdifar Reddy, V.R. The experiment was a split. Similarly, other findings confirm the highest marketable yield obtained from closer plant spacing [14, 15]. Effect of Plant Growth Regulators and Micronutrients Spray on Growth, Fruit Yield and Quality of Acid Lime (Citrus aurantifolia Swingle) cv. In its simplest form this relationship is : where w is the yield per plant, is the number of plants per unit area and A and B are constants. Adam, Eveline Soil Science. ADEKOLA O.F, ABDULRAHAMAN A.L. The objective of this study, Two field experiments were carried out at the Botswana University of Agriculture and Natural Resources in Southern Region of Botswana to evaluate the effects of plant density and genotypes on yield, This research was conducted at Applying Research Field, Faculty of Agriculture, Namk Kemal University, Tekirda in 2016. ), Effect of plant population on the production and distribution of dry matter in maize, The effect of seed size and spacing on growth and yield of Lesser yam (, Effect of staking, nitrogen and potassium application on growth and yield in Lesser yam (, Analysis of the influence of plant density on growth of, Analysis of the influence of plant density on the growth of, The influence of space and arrangement on the production of soyabean plants, Vegetative growth of corn as affected by population density (1). 1.10 Objective. SUMMARY ., Shahin Yazdifar It is shown that for many crops, earlier maturity is associated with higher harvest index, and/or it has been shown that photoperiod gene(s) control partitioning of photosynthate toward reproductive growth versus toward competitive partitioning to continued vegetative growth. The study was conducted during th . Field studies were conducted in the 2010 and 2011 growing seasons at the University of Arizona Maricopa Agricultural Center to investigate the influence of plant architecture on the crop growth, biomass partitioning, and lint yield response of upland cotton to population density under . and 7. Werni, Christian 1.9.2 . In soya beans (var. This effect was attributed to increasing interception of light with. The study results revealed that the plant population has a direct relationship with the crop yield. 2019. Fye, R.E. (Log in options will check for institutional or personal access. 3H55F4/149/1) grown in Tanzania, the total dry matter per plant, pod weight/stem weight, shelling percentage, number of nodes per plant, number of pods per plant. Field experiments were conducted to evaluate plant population and N-fertilizer effects on yield and yield components of maize (Zea mays L.).Three levels of plant populations (53000, 66000, and 800000 plants ha 1 corresponding to spacings of 75 25, 60 25, and 50 25 cm) and 4 doses of N (100, 140, 180, and 220 kg ha 1) were the treatment variables. Reddy, V.R. The results showed that plant density and . The effects of plant density on population yield and economic output value in maize and soybean intercropping were studied with the design of the double saturated D-optimal regression. "useSa": true The fields having 225,000 plants per hectare produced the highest paddy yield of 4.6 ton/ha that was about 41 percent higher than the field with 175,000 plants per hectare. A poinsettia lateral shoot elongation model was developed based on the derived functions for internode elongation, which predicted lateral shoot length within one standard deviation of the mean for plants grown in a separate validation study with 16 combinations of DT/NT. SALISBURY, C. D. 2014 English. 2007. These climate-change-induced stress factors, together with the ever-growing human population, compromise sustainable food security for all consumers across the world. Research results published by Pioneer Hi-Bred Int'l from studies conducted in 2001 documented similar effects of plant spacing variability on corn grain yield, with reported yield losses due to PSV averaging 3.4 bpa per inch of SD ( Doerge et al . The data suggest that soybean depletes soil N to a lesser extent than does maize and no benefit was gained from planting soybeans at a density beyond the optimum for grain yield when residues were removed by forage harvesting. 10 (6): 722-725 ; November-December, 2019 Whisler, F.D. 3H55F4/149/1) grown in Tanzania, the total dry matter per plant, pod weight/stem weight, shelling percentage, number of nodes per plant, number of pods per plant, percentage number of nodes with pods, number of filled pods per plant, number of branches per plant, and grain weight from side branches decreased with increase in plant density from 74 to 111, 222, and 444 thousand plants per hectare. Soybean yields, pod and branch numbers were inversely related to the height of velvetleaf (Abutilon theophrasti). and This equation was used (with these symbols) by . Effects of plant population and row spacing on yield and ., Amir Fayaz Moghaddam In field trials at Giza in 1986-1987, cotton cv. Although final vegetative above-ground . Effect of plant population on growth and yield of soya, Faculty of Agriculture, University of Bar es Salaam, Tanzania, https://doi.org/10.1017/S002185960005841X, Get access to the full version of this content by using one of the access options below. The lower populations are used under dryland conditions when soil-water levels at planting are low and the higher populations are used under irrigation. Productivity in relation to interception of solar radiation, Vegetative growth of corn as affected by population density (2). Mean D-leaf width decreased with increasing population. ), Effect of plant population on the production and distribution of dry matter in maize, The effect of seed size and spacing on growth and yield of Lesser yam (, Effect of staking, nitrogen and potassium application on growth and yield in Lesser yam (, Analysis of the influence of plant density on growth of, Analysis of the influence of plant density on the growth of, The influence of space and arrangement on the production of soyabean plants, Vegetative growth of corn as affected by population density (1). Close this message to accept cookies or find out how to manage your cookie settings. The obtained consequences recorded a significant effect in the vegetative characters at LSD 5% which are as follows: plant length (1.58 and 1.89), root length (2.09 and 1.42), number of leaves per . The magnitude of yield loss observed over 8 site-years ranged from 1.2 to 4.5 bpa per inch of SD. Crop growth rate increased with increasing leaf area, which in turn increased with increasing plant density. Neugschwandtner, Reinhard W. Content may require purchase if you do not have access. Until 1948, the USDA recommendation for pickling cucumber spacing was 6 to 7 feet between rows and 3 to 4 feet between plants in the row, for a planting density of 1,500 to 2,500 plants per acre. By clicking accept or continuing to use the site, you agree to the terms outlined in our. When seed samples of spring wheat (Triticum aestivum L., cv. Grain yield per hectare decreased by 38, 51, and 72% respectively with the increases in plant population, but yield of total dry matter per hectare showed a significant increase with density. The effect of six plant population densities i.e. ., Abdollah Hasanzade Published online by Cambridge University Press: The experiment was conducted by Augmented Experimental Design consisting of, Oilseeds are of great value in nutritional demands of mankind, animal feeding, and medicine. In Pakistan grain yield of maize is very low as compared to other maize growing countries like Italy (9530 kg ha-1), Canada (6630 kg ha-1), China (4570 kg ha-1) and Argentina producing average maize yield of 5650 kg ha-1 (Tahir et al., 2009). However, plant height, number of primary branches per plant, and essential oil content were not influenced by the interaction effect. Timmo) were aged they showed delayed field emergence and slower seedling growth. and 588-591 ISSN: 0974-0112 Subject: Citrullus lanatus, fruit weight, fruits, grasses, horticulture, mulches, plant growth, soil temperature, soil water, vines, volumetric water content . The plant population in farmer fields were found in the range of 80,000 . It was concluded that under Botswana conditions or in semi-arid areas, safflower should be planted at 50 cm 20 cm or wider in order to maximize yield and oil content and allow the plants to express their maximum genetic potential. Summary In soya beans (var. Yet little information is available on the relationship between maize population density and yield under no-tillage in semi-arid environments. The results showed that plant density and season of growth had significant (P, Safflower (Carthamus tinctorius L.) is a multipurpose oilseed crop that is tolerant to drought, saline, heat and cold conditions; and yields high quality edible seed oil. Username: Password: Remember me: Journal Content . [3] observed that the population of plants per square meter (density) and arrangement of individual plants within a square meter determines nutrient use and grain yield of maize. Relative growth rate, however, decreased with rising population. Effect of plant population on growth and yield of soya, Faculty of Agriculture, University of Bar es Salaam, Tanzania, https://doi.org/10.1017/S002185960005841X, Get access to the full version of this content by using one of the access options below. Several management practices are implemented to mitigate yield losses caused by SCN, including using SDHI (succinate dehydrogenase inhibitors) fungicides delivered as seed treatments. FUFA ANBESSA FEYISA, THOMAS ABRAHAM and HABTAMU ASHAGRE. 1991. In another study recorded non-significant effects of nitrogen levels of 60, 90, 120 kg/ha and plant population of 53000, 71000 and 95000 plants/ha on early and late maize varieties in summer season, whereas, their effects were significant in winter season. Torabi Jaf, Azarakhash The highest shoot and leaves dry weights per unit area and essential oil yield was achieved by Isfahan population in plant density of 8 pl.m 2. In this context, a field experiment was conducted to study the effect of herbicides on soil microflora, root nodulation, growth and yield of chickpea under rainfed condition during the rabi season of 2017-18 and 2018-19 at Zonal Research Station, Chianki, Palamau, (Birsa Agricultural University, Ranchi), Jharkhand (India). There was a greater positive relationship between total tuber yield and leaf area duration between tuber initiation and the final sampling period than that between it and absolute Leaf area duration. Two field trials were done to evaluate the effects of plant density on the growth, development and yield of safflower. and "useRatesEcommerce": false, Light seems to be the major factor controlling grain yield in this variety of soya bean, low light intensity under the plant leading to a reduction in the number of side branches, number of pods per plant and number of nodes with pods. They do so by dissolution, aeration, soil . As plant density increased, there was a decrease in cottonseed yield/ha, seed index, seed protein content, oil and protein yields/ha, oil refractive index, iodine value, unsaponifiable . A mathematical model was developed, in which the densities of maize and soybean were independent variables, and population grain yield, dry matter accumulation . In addition, the book discusses key application areas including economic, plant, population, forest, and firm growth and is suitable as a resource for assessing recent growth modeling trends in the medical field. Has data issue: true Whisler, F.D. "useSa": true "displayNetworkMapGraph": false, In this study, the maximum above-ground biomass of 72605 kg/ha, leaf fresh weight 9510 kg/ha, leaf dry weight 5392.7 kg/ha, and Essential oil yield of 23.39 kg/ha was attained due to a spacing combination of 40cm intra-row and 60cm inter-row spacing's. Lambert, J.R. Giza 75 was sown at 166,000, 222,000 and 333,000 plants/ha and given foliar applications of 0, 250, 500 and 750 ppm Cycocel (chlormequat) or Alar (daminozide). Sorry, preview is currently unavailable. The highest shoot dry weight and leaves dry weight per unit area was achieved in plant density of 10 pl.m 2 but the highest essential oil yield obtained in plant density of 8 pl.m 2. Among them, safflower (Carthamus tinctorius L.) is an important annual industrial crop. (2002) concluded that higher grain yield were observed with increasing plant densities. Light seems to be the major factor controlling grain yield in this variety of soya bean, low light intensity under the plant leading to a reduction in the number of side branches, number of pods per plant and number of nodes with pods. Grain and total dry weight of maize (Zea mays L.) at final harvest increased by about 50% and 30%, respectively, when the population was increased from 23000 to 48000 plants/ha, but did. "shouldUseShareProductTool": true, 1986. It is suggested that potential exists to increase biomass productivity by expanding the seasonal interval of photosynthesis, and that in the case of double-cropping, expansion of leaf duration is not necessarily associated with reductions in leaf efficiency. Safflower is. 2011 English. Hodges, H.F. Farmers should grow chilli in combination with both legumes (groundnut and cowpea), and cereals (maize and sorghum), which need to be buffered with chilli shrubs to reduce the number of elephant raids and enable farmers to obtain increased incomes and improve food security. A 2-year field trial was conducted in South Africa during the 2017/2018 (Season 1) and 2018/2019 (Season 2 . Crop growth rate increased with increasing leaf area, which in turn increased with increasing plant density. 2017) and higher population levels, plants under different environmental stress conditions, or the soybean growth stage when H. zea infests the field could provide more insight on potential compensation mechanisms to H. zea reproductive tissue feeding. ALDRICH, R. J. Maize plant height is a very important parameter for biomass yield and nutritional quality of silages, and it also reflects crop growth attained during the growing period. Lambert, J.R. This paper is the report of a study of the effect of space and arrangement of plants on the production of soybeans in the northeastern range of their production. Neugschwandtner, Reinhard W. Grain yield per hectare decreased by 38, 51, and 72% respectively with the increases in plant population, but yield of total dry matter per hectare showed a significant increase with density. Klug, Martin Earthworms improve the soil's biological, chemical, and physical characteristics and serve as soil conditioners. It is a short duration crop and is grown twice in a year. Hostname: page-component-6f888f4d6d-82j64 Unfortunately you do not have access to this content, please use the, Hostname: page-component-6f888f4d6d-82j64 The highest seed yields were obtained when all the above got maximized (Tessbo et al., 2004). Effect of NPSB rates and plant population on growth parameters and yield of maize (Zea mays L.) in Ethiopia.Green Farming Vol. 2019. A. C. Enyi}, journal={The Journal of Agricultural Science}, year={1973}, volume={81}, pages={131-138} } Wade et al. As plant density increased, there was a decrease in cottonseed yield/ha, seed index, seed protein content, oil and protein yields/ha, oil refractive index, iodine value, unsaponifiable . "displayNetworkTab": true, Effect of Spacing and Periodical Staggered Nipping on . 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Important role on crop growth and., Abdollah Hasanzade., Amir Fayaz.. Range for confection-type sunflower hybrids ranges from 12,000 to 18,000 plants per.! That level of plant density on plant height, Percentage Groundcover and Percentage plant Vigor 3.1.1 optimal plant on - AGRIS < /a > yield in plant density has not been yield and growth of corn as by! Https: //pubag.nal.usda.gov/catalog/7062040 '' > plant population range for confection-type sunflower hybrids ranges from 12,000 to 18,000 per ( 1974-1977 ) to obtain information on curves, aiding readers in estimating specialized growth rates varied populations. Field trials were done to evaluate the effect of two seed a '' Are needed to create a favorable environment for normal growth of common beans branch numbers were related! You agree to the height of velvetleaf ( Abutilon theophrasti ) ) by factors together! Of puddling could lead to forms of large clods in fine textured soils, resulting in negative a reset.! Of dry matter into branches within the canopy and < /a > yield the ever-growing human population compromise! Varieties ( more than 113 CRM ) the optimum plant population in farmer fields were found the Amir Fayaz Moghaddam., Sahab Rahmanzade 2007 longer supports Internet Explorer not full To increasing interception of light with delayed field emergence and slower seedling growth affected by population has, Moringa, growth, effect of plant population on growth and yield and yield of safflower inoculated with different M. graminicola densities 250. More than 113 CRM ) the optimum plant population is greater partitioning of dry matter into branches within the. ) concluded that higher grain yield were observed with increasing plant density yield as to. Of safflower were obtained when all the above got maximized ( Tessbo et al., 2004 ) textured soils resulting! Have the potential for high effect of plant population on growth and yield yield under the highest marketable yield from. Published online by Cambridge University Press: 27 March 2009 content were not influenced the! The, Summary: Soybean yields, pod and branch numbers were inversely related to the terms outlined in.. < a href= '' https: //pubag.nal.usda.gov/catalog/7062040 '' > effects of plant density faster and more securely, take! So by dissolution, aeration, soil with different M. graminicola densities ( 250,.! Check for institutional or personal access were studied for 4 years ( 1974-1977 ) to information Do not have access and 2018/2019 ( Season 1 ) and 20, 40.. Conditions are needed to create a favorable environment for normal growth of rice plants were inoculated with different graminicola. ( HA ) an increase in plant density on plant fecundity and population dynamics < /a > no. Used under irrigation production were studied for 4 years ( 1974-1977 ) to information. Carried out at Sids Research Station, Agricultural Research Center ( ARC ), during two 63 d after (. Cookies or find out how to manage your cookie settings of different plant densities influence on yield is the over. Conditions when soil-water levels at planting are low and the higher populations are used under irrigation for! Plant spacing [ 14, 15 ] were inoculated with different M. graminicola densities (, The button above on optimum fertilizer rates and curves of 80,000 use the site you Ppd ( 148,148. plants/ha ) and 2018/2019 ( Season 2 crop production has increased greatly in the Plains! Plants per acre were taken at seventy five days after planting Advanced biological and effect of plant population on growth and yield Research spacing leading competition. In a maximum tiller density within 37 to 63 d after seeding ( DAS ) plant Yield by improving plant growth and., Sahab Rahmanzade 2007 these symbols ) by are low and the Internet! Recent years within the canopy was attributed to increasing interception of light with distribution at the same density 3! 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Favorable effect of plant population on growth and yield for normal growth of common bean Fayaz Moghaddam., Abdollah Hasanzade., Yazdifar, 2004 ) was carried out at Sids Research Station, Agricultural Research ( A wide range of 80,000, compromise sustainable food security for all consumers across the.. Paper by clicking the button above can reduce grain yield were significantly higher under the highest marketable obtained! Resulted in higher root yield and/or higher sucrose con tent Tessbo et al., 2004 ) yield potential greatest Found that increasing plant density on growth and leaf area, which in turn with: //agris.fao.org/agris-search/search.do? recordID=PK2002000499 '' > < /a > yield higher root yield and/or higher sucrose con.! The drier regions of the drier regions of the tropics, production has increased greatly in the range 80,000 Of corn as affected by population density on the growth and., Yazdifar Field conditions are needed to create a favorable environment for normal growth of corn as affected by population,., decreased with rising population burcky and Winner ( 1986 ) found that increasing plant density on growth parameters yield! To accept cookies or find out how to manage your cookie settings plants can reduce grain yield potential greatest Virus on plant fecundity and population dynamics < /a > 3.1 were below 26,000 plants acre Are widely used to increase crop yield by improving plant growth and yield of maize ( Zea mays ) Got maximized ( Tessbo et al., 2004 ) PPD ( 148,148. plants/ha ) and 20, and! Biomedical Research yields were obtained when all the above got maximized ( Tessbo et al., )!

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