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2 edition of Influence of population density on light interception and grain yield involving wheat hybrids found in the catalog.

Influence of population density on light interception and grain yield involving wheat hybrids

Mapangada Chengappa Ganapathy

Influence of population density on light interception and grain yield involving wheat hybrids

by Mapangada Chengappa Ganapathy

  • 320 Want to read
  • 36 Currently reading

Published .
Written in English

    Subjects:
  • Wheat.,
  • Plant breeding.

  • Edition Notes

    Statementby Mapangada Chengappa Ganapathy.
    The Physical Object
    Pagination72 leaves, bound :
    Number of Pages72
    ID Numbers
    Open LibraryOL14276427M

    The influence of biomass yields (BY) as a major determinant of seed yield is well-documented (Biscoe and Gallagher, ; Giunta et al., ; Confalone, ). Typically provided the crop is well nourished and not deficient of water the BY response to increase in plant population density (p) is. Preferential Influence of Wheat Genotypes on the Distribution Pattern and Population Dynamics of Cereal Aphids and Their Natural Enemies in Peshawar Valley Saqib Ali,1* 4Shah Khalid,2 3Suliman Ali,1 Kashif Akhtar, Muhammad Shahid Khan,3 Ashfaq Ali, Abdul Samad, 5Saddam Hussain,5 Shah Fahad and Fahad Khan5.

    A field experiment was conducted at the University of Zabol, The experimental farm in Southeast of Iran during to investigate the impacts of nitrogen (N) rate and plant density of maize (Zea mays L.) c.v. K.S.C Split plot experimental treatments comprising three plant densities under title subplot included (P 1 = 60, plants ha-1, P 2 = 80, plants ha-1 and P 3 = plants.   Global wheat production is currently close to million tons 1, and the demand for wheat in developing countries is projected to increase 60% by grain yield .

    Global wheat production is currently close to million tons 1, and the demand for wheat in developing countries is projected to increase 60% by grain yield is a complex trait that depends on multiple genes interacting with each other and the environment 3,gh the effects of major genes regulating plant phenology and morphology and their influence on grain yield have been Cited by: Introduction. Wheat (Triticum aestivum L.) is the second most widely produced crop in the world [] and the demand for food is projected to be doubled by in addition to the increasing demand for high-quality food for a healthy diet [].Wheat production needs to be boosted mainly through improvements in yield and agronomic practices, as the cultivated area can only marginally increase [3–5].Cited by:


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Influence of population density on light interception and grain yield involving wheat hybrids by Mapangada Chengappa Ganapathy Download PDF EPUB FB2

The object of the experiment was to evaluate the influence of population densities and different planting patterns on grain yield and factors which determine grain yield. Factors studied included the leaf area index, percent light interception, plant height, and the components of grain yield which are tillers per unit area, kernel per spike and the weight of 1, : Mapangada Chengappa Ganapathy.

Influence of population density on light interception and grain yield involving wheat hybrids. The percentage of light intercepted\ud at the heading stage was found to have a greater influence on grain\ud yield than at any other stage of growth.

The cross Druchamp X\ud Travero which produced 33 percent higher grain yield than the. Grain yield response to plant density for BW cultivars Oasis 86 (closed circles) and Rayon 89 (open circles), average of –92 and –3. M.C. GanapathyInfluence of Population Density on Light Interception and Grain Yield Advantage Involving Wheat Hybrids.

Oregon State University ()Cited by: 7. The objective was to determine how population density (75, and plants ha-1) and row spacing (standard: 76 cm and narrow: 38 cm) affected whole-plant yield, yield-related parameters, and nutritive value of two corn hybrids grown at Brooks and Lacombe, Alberta during 2 yr.

A two-year field experiment was conducted to evaluate the effects of plant density on tassel and ear differentiation, anthesis-silking interval (ASI), and grain yield formation of two types of. In order to evaluation of effects of different plant population levels on yield and growth indices of wheat (Triticum aestivum L.) cultivars, a factorial experiment based on randomized complete.

of cultivar and planting density on grain yield was significant at 1% level. The interactive effect of cultivar and density on grain weight, biomass yield of final harvest time, forage, and harvest index was not significant.

However, the difference between various cultivars in terms of total biomass yield was significant at 5% level. The. plant population increases competition among plants for nutrients, light and space, while lower population density causes inefficient use of natural resources and inputs (Lone et al., ).

Motivation and aims of the study were Effect of plant density and variety on number of seed per cob, grain yield and grain weight in Size: KB. which accounts for the 90% of variations in the wheat grain yield (Fischer, ).

The kernel number per spike should be increased in order to achieve high yields (Wicke et al., ). The grain yield is dependent on the kernel number per spike much more than on the spike length and spikelet number per spike (Lazovic et al., ).File Size: KB.

recommended for obtaining higher yield of maize. Key words: Biomass, grain yield, maize, population density INTRODUCTION Maize (Zea mays L.) is an important food and feed crop of the world. Maize is the third most important cereal crop of Pakistan after wheat and rice. About 60% maize is grown in irrigated and 36% in rain fed areas of Pakistan.

Experiment factors were three Maize hybrids (KSC, KSC and KSC) and three levels of plant density (7, 9 and 13 plant/m2). Result indicated that plant density had significant effect on yield and yield components of maize hybrids. The grain yield varied between ton/ha at 7 plants/m2 and ton/ha at 13 plants/m2.

Effect of Seed Size and Density on Winter Wheat Performance Larry D. Robertson Winter wheat is the most important crop in Kan­ sas, seeded annually on approximately million acres.

Any production practice 'that influences yield of this crop is important Little work has been done in Kansas on selection of wheat seed or on the influence. The results of grain yield losses caused by the weed at different densities in two trials indicated that both species caused a density-dependent yield loss which is better explained by weed dry weight.

Percent light interception increased with increasing wheat or weed density, however, weed density beyond 6 m-2 had no significant effect on. Title: INFLUENCE OF POPULATION DENSITY ON LIGHT INTER- CEPTION AND GRAIN YIELD INVOLVING WHEAT HYBRIDS Abstract approved: Redacted for privacy Warren E.

Kronstad Six wheat hybrids from two sets of parents and their respective parents were grown at Hyslop Agronomy Farm near Corvallis, Oregon in the year lowest light interception( and %), RUE was and g/mj, and LAI was and %, on interaction of plant spacing 10 and 20cm on row were related to Parto and KPS genotypes, respectively.

This study demonstrated that achieving desirable yield depends on light interception, radiation use efficiency and high leaf area index so. A field study of soybean (Glycine max L.

Merr.) relay intercropped with winter wheat (Triticum aestivum L.) was designed to test the hypothesis that growth of wheat-soybean system depends on relative plant density and amount of light intercepted by each rop soybean did not influence leaf area index (LAI) and dry matter accumulation (DMA) of intercropped wheat compared with monocrop.

Light interception and radiation use efficiency response to narrow-wide row planting patterns in maize Tiedong Liu 1,2, Fengbin Song, 1Shengqun Liu 1, Xiancan Zhu 1Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Jinlin, ChangchunChina.

The density impact on grain yield, the weight of grains, the number of row in maize, the number of grain in row and the number of grain in maize was fact, The density affected on yield and grain yield components through influence on the amount of received light. For wheat, the amount of LI in the, and systems 75, 74 and 71% of that in wheat monoculture, respectively.

The lowest LI of wheat was found in the system, being the intercrop with the lowest row length density of wheat. Light interception by wheat was significantly higher in the system than in the by: The crop productivity (in ) in India is low for rice ( t ha −1), maize ( t ha −1), and wheat ( t ha −1) as compared to global averages ofand t ha −1 (FAO stat ), and needs to be increased to meet the food grain requirements of the growing by: 7.

which were affected by plant density showed significant difference. With the increase of density from to. plants/ha, grain yield and silage yield increased, an amount of from to and to t/ha.

respectively.With respect to the effect of plant density, as the plant density increased from to plants/ha, leaf area, dry biomass at V12 and R5 growth stages, number of cobs per plant, grain yield.Field Crops Research, 22 () Elsevier Science Publishers B.V., Amsterdam -- Printed in The Netherlands Potential and Realized Yield in Pearl Millet (Pennisetum americanum) as Influenced by Plant Population Density and Life-Cycle Duration P.Q.

CRAUFURD1 and F.R. BIDINGER International Crops Research Institute for the Semi-Arid Tropics (ICRISAT), Patancheru P. 0., A.P. Cited by: