Effect of Row Spacing on Yield and Yield Components of Winter Wheat Cultivars PDF Download
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Author: Ross Jay Peters
Publisher:
ISBN:
Category : Wheat
Languages : en
Pages : 112
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Author: Ross Jay Peters
Publisher:
ISBN:
Category : Wheat
Languages : en
Pages : 112
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Book Description
Author: Benacef Nadjib
Publisher:
ISBN:
Category : Wheat
Languages : en
Pages : 150
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Book Description
Four winter wheat cultivars, Bezostaya, Maris-Hobbit, Roussalka and Stephens, selected on the basis of the diversity of their pedigree and phenotype, were planted at Hyslop Experiment Station near Corvallis in Western Oregon to study their performance at three different row spacings (10, 16 and 24 cm), three seeding rates (100, 160, and 240 Kg/ha) and at two seeding dates (October 13 and November 12). A similar experiment was conducted at the Sherman Experiment Station, Moro in Eastern Oregon, using only two winter wheat cultivars, Stephens and Jackmar. Data were obtained on grain yield, tillers and spikes per square meter, heading and anthesis date, plant height, kernels per spike, 1000 kernel weight, test weight and harvest index. At Hyslop Experiment Station, Stephens, Bezostaya and Roussalka produced maximum grain yield at 10 cm row spacing and 160 Kg/ha seeding rate, and Maris-Hobbit at 24 cm row spacing and 160 Kg/ha seeding rate. At Sherman Experiment Station, 30 cm row spacing and 90 Kg/ha seeding rate constitutes the best combination for Stephens, and 30 cm row spacing and 120 Kg/ha seeding rate for the club wheat Jackmar. The interaction between row spacings x cultivars and seeding rates x cultivars indicated that all the cultivars produced high numbers of tillers and spikes per m2 at narrow (10 cm) row spacing and high (240 Kg/ha) seeding rate. There were no significant differences between row spacings for heading and anthesis date. Lower seeding rate resulted in later heading date. The cultivar Roussalka was the earliest and Maris-Hobbit the latest in average heading date, Plant height decreased with increased row spacing and increased with increased seeding rate. The plants of the four cultivars were shorter at the second date than at the first. More kernels per spike were produced at the second than at the first date. An increase in seeding rates was accompanied by a decrease in the number of kernels per spike. There were no significant differences between the three row spacings, the three seeding rates and the four cultivars for test weight. The different row spacings and seeding rates did not affect the TOGO kernel weight. Considering the cultivars, Stephens produced a higher 1000 kernel weight at the two seeding dates than Maris- Hobbit, Bezostaya and Roussalka.
Author: Jaswant Raj Mathur
Publisher:
ISBN:
Category : Wheat
Languages : en
Pages : 200
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Author: Muhammad Abu Bakar Zia
Publisher: LAP Lambert Academic Publishing
ISBN: 9783659615283
Category :
Languages : en
Pages : 88
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Book Description
The present study is the research work of my M.Sc. which titled "optimizing row spacing in different wheat cultivars" was conducted at Agronomic Research Farm, Department of Agronomy, Faculty of Agricultural sciences and technologies, Bahauddin Zakariya University, Multan. Three row spacings viz. 10, 20 and 30 cm and five wheat genotypes viz. Sehar-2006, FS-2008, Lasani-2008, AS-2002 and TD-I were included in the study. The experiment was laid out in randomized complete block design (RCBD) with split plot arrangements having net plot size of 5 m x 1.8 m and replicated three times. Row spacings were kept in main plots while wheat genotypes were kept in sub plots.
Author: Coskun Köycü
Publisher:
ISBN:
Category :
Languages : en
Pages : 106
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Author: E H Satorre
Publisher: CRC Press
ISBN: 9781560228745
Category : Technology & Engineering
Languages : en
Pages : 544
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Book Description
Discussing the latest processes involved in researching yield generation, Wheat: Ecology and Physiology of Yield Determination will help you design various types of crop production systems for maximum yield. Featuring information on developing high-yielding, low-input, and quality-oriented systems, this book offers you both physiological and ecological approaches that will help you understand the crop as well as increase its production. Discussing aspects of wheat growth for specific regions around the world, Wheat provides you with information that will improve the size and quality of your crops, including: how temperature, vernalization, and the photoperiod affect the development of wheat using the correct amount of nitrogen fertilizers for wheat crops an explanation of the reproduction and nitrogen cycles of wheat how elements and conditions such as lipids, proteins, nitrogen, and climate enhance grain quality estimating and determining optimal sowing dates examining factors that may affect wheat yield-density relationships, such as planting arrangement and date of sowing preventing seed decay and examining effects of mildews and leaf blights examining historical trends of the crop to see what further research needs to be done You'll also receive information on the genetic gains in wheat research that are improving the physiological traits and numerical components of this essential grain. Within Wheat, you'll find data and methods from international experts in the field that will improve the yield and growth of the world's most important crop.
Author: Jane Potter Gates
Publisher:
ISBN:
Category : Double cropping
Languages : en
Pages : 56
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Book Description
Author: K. D. S. Mervyn Joseph
Publisher:
ISBN:
Category : Wheat
Languages : en
Pages : 258
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Book Description
Author: Izak Bos
Publisher: Springer Science & Business Media
ISBN: 940158432X
Category : Science
Languages : en
Pages : 356
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Book Description
Our requirement for plant breeders to be successful has never been greater. However one views the forecasted numbers for future population growth we will need, in the immediate future, to be feeding, clothing and housing many more people than we do, inadequately, at present. Plant breeding represents the most valuable strategy in increasing our productivity in a way that is sustainable and environmentally sensitive. Plant breeding can rightly be considered as one of the oldest multidisciplin ary subjects that is known to humans. It was practised by people who first started to carry out a settled form of agriculture. The art, as it must have been at that stage, was applied without any formal underlying framework, but achieved dramatic results, as witnessed by the forms of cultivated plants we have today. We are now learning how to apply successfully the results of yet imperfect scientific knowledge. This knowledge is, however, rapidly develop ing, particularly in areas of tissue culture, biotechnology and molecular biology. Plant breeding's inherent multifaceted nature means that alongside obvious subject areas like genetics we also need to consider areas such as: statistics, physiology, plant pathology, entomology, biochemistry, weed science, quality, seed characteristics, reproductive biology, trial design, se lection and computing.
Author: Donald L. Sparks
Publisher: Academic Press
ISBN: 0128204605
Category : Technology & Engineering
Languages : en
Pages : 338
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Book Description
Advances in Agronomy, Volume 159, the latest release in this leading reference on agronomy, contains a variety of updates, including specific chapters on the Environmental Behavior of Glyphosate in Soil, Agriculture Contingency Plans for Managing Weather Aberrations and Extreme Climate Events: Development, Implementation and Impacts in India, Unmanned Aircraft Systems for Precision Weed Management Applications: Prospects and Challenges, Ratoon Rice Technology: A Green and Resource-Efficient Way for Rice Production, Growth Characteristics of Winter Wheat in China Based on GDD Comprehensive and Quantitative Analysis of Growth Characteristics of Winter Wheat in China Based on Growing Degree Days, and more. - Includes numerous, timely, state-of-the-art reviews on the latest advancements in agronomy - Features distinguished, well recognized authors from around the world - Builds upon this venerable and iconic review series - Covers the extensive variety and breadth of subject matter in the crop and soil sciences
