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Effect Of Planting Dates On The Yield Of Grain Sorghum Hybrids In Different Maturity Groups On The High Plains 1960
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Book Synopsis Effect of Planting Dates on the Yield of Grain Sorghum Hybrids in Different Maturity Groups on the High Plains, 1960 by : James S. Newman
Download or read book Effect of Planting Dates on the Yield of Grain Sorghum Hybrids in Different Maturity Groups on the High Plains, 1960 written by James S. Newman and published by . This book was released on 1961 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effect of Planting Date on Growth, Development, and Yield of Grain Sorghum Hybrids by : Bandiougou Diawara
Download or read book Effect of Planting Date on Growth, Development, and Yield of Grain Sorghum Hybrids written by Bandiougou Diawara and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: In Kansas, productivity of grain sorghum [Sorghum bicolor (L.) Moench] is affected by weather conditions at planting and during pollination. Planting date management and selection of hybrid maturity group can help to avoid severe environmental stresses during these sensitive stages. The hypothesis of the study was that late May planting improves grain sorghum yield, growth and development compared with late June planting. The objectives of this research were to investigate the influence of planting dates on growth, development, and yield of different grain sorghum hybrids, and to determine the optimal planting date and hybrid combination for maximum biomass and grains production. Three sorghum hybrids (early, medium, and late maturing) were planted in late May and late June without irrigation in Kansas at Manhattan/Ashland Bottom Research Station, and Hutchinson in 2010; and at Manhattan/North Farm and Hutchinson in 2011. Data on leaf area index, dry matter production, harvest index, yield and yield components were collected. Grain yield and yield components were influenced by planting date depending on environmental conditions. At Manhattan (2010), greater grain yield, number of heads per plant, harvest index, and leaf-area were obtained with late-June planting compared with late May planting, while at Hutchinson (2010) greater yield was obtained with late May planting for all hybrids. The yield component most affected at Hutchinson was the number of kernels panicle-1 and plant density. Late-May planting was favorable for late maturing hybrid (P84G62) in all locations. However, the yield of early maturing hybrid (DKS 28-05) and medium maturing hybrid (DKS 37-07) was less affected by delayed planting. The effects of planting dates on growth, development, and yield of grain sorghum hybrids were found to be variable among hybrid maturity groups and locations.
Download or read book Progress Report written by and published by . This book was released on 1971 with total page 772 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Bibliography of Agriculture written by and published by . This book was released on 1962 with total page 1816 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Consolidated Progress Report written by and published by . This book was released on 1976 with total page 558 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book MP written by and published by . This book was released on 1957 with total page 476 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Hilgardia written by and published by . This book was released on 1975 with total page 764 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Biological Abstracts by : Jacob Richard Schramm
Download or read book Biological Abstracts written by Jacob Richard Schramm and published by . This book was released on 1962-03 with total page 1394 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monthly Checklist of State Publications by : Library of Congress. Exchange and Gift Division
Download or read book Monthly Checklist of State Publications written by Library of Congress. Exchange and Gift Division and published by . This book was released on 1961 with total page 776 pages. Available in PDF, EPUB and Kindle. Book excerpt: June and Dec. issues contain listings of periodicals.
Download or read book Texas Agricultural Progress written by and published by . This book was released on 1961 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Bibliography of Agriculture written by and published by . This book was released on 1962 with total page 1894 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Influence of Maturity on Sorghum Grain Yields when Ratoon Cropping by : Ronny R. Duncan
Download or read book The Influence of Maturity on Sorghum Grain Yields when Ratoon Cropping written by Ronny R. Duncan and published by . This book was released on 1986 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Midge Damage and Yield of Grain Sorghum Hybrids of Different Maturities Planted on Different Dates, High Plains, 1961 by : James S. Newman
Download or read book Midge Damage and Yield of Grain Sorghum Hybrids of Different Maturities Planted on Different Dates, High Plains, 1961 written by James S. Newman and published by . This book was released on 1962 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bibliography of Agriculture with Subject Index by :
Download or read book Bibliography of Agriculture with Subject Index written by and published by . This book was released on 1991 with total page 604 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Modeling Rate of Planting, Date of Planting and Hybrid Maturity Effects on Yield of Grain Sorghum (Sorghum Bicolor, (L.) Moench) by : Daniel Myron Baker
Download or read book Modeling Rate of Planting, Date of Planting and Hybrid Maturity Effects on Yield of Grain Sorghum (Sorghum Bicolor, (L.) Moench) written by Daniel Myron Baker and published by . This book was released on 1982 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Yield and Yield Components of Grain Sorghum as Influenced by Date of Planting by : Fred Charles Stickler
Download or read book Yield and Yield Components of Grain Sorghum as Influenced by Date of Planting written by Fred Charles Stickler and published by . This book was released on 1963 with total page 15 pages. Available in PDF, EPUB and Kindle. Book excerpt: Grain yields and individual components of yield (heads per unit area, seeds per head, and seed weight were evaluated for eight grain sorghum varieties planted May 20, June 10, and June 30 (1958-1960) and an additional date (May 1) in 1961 and 1962. Trials were conducted at Manhattan, Kansas, on a fertile bottomland site. In each of the five years, either significant (.05 level) or highly significant (.01 level) differences among planting dates, varieties, and variety x date interactions were found for grain yield and for individual components of yield, indicating little difference in their tendency to exhibit variety x date interactions. Varietal response to planting date was generally associated with varietal response to planting date was generally associated with varietal maturity. Highest yields were obtained from the May 1 and May 20 plantings, with little benefit from the May 1 over the May 20 date. Several instances of very strong variety x planting date interactions were noted. Yield depression from delayed planting was most closely associated with a decrease in the number of seeds per head, secondly with a small number of heads per unit area, and least associated with seed weight.
Book Synopsis Effect of Planting Geometry, Hybrid Maturity, and Population Density on Yield and Yield Components in Sorghum by : Kalaiyarasi Pidaran
Download or read book Effect of Planting Geometry, Hybrid Maturity, and Population Density on Yield and Yield Components in Sorghum written by Kalaiyarasi Pidaran and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Prior studies indicate clumped planting can increase grain sorghum yield up to 45% under water deficit conditions by reducing tiller number, increasing radiation use efficiency, and preserving soil water for grain fill. The objective of this study was to evaluate effects of planting geometry on sorghum grain yield. The field study was conducted in seven environments with two sorghum hybrids, four populations, and two planting geometries. Crop responses included leaf area index, yield, and components of yield. Delayed planting decreased yield by 39%, and a later maturing hybrid increased yield, relative to an early hybrid, by 11% under water sufficiency. Clumped planting increased the fraction of fertile culms (culms which formed panicles) from 5-14%. It reduced the number of culms m−2 by 12% under water limiting conditions (at one of two locations) but increased culms m−2 16% under water sufficiency. Seeds per panicle and seed weight generally compensated for differences in panicles m−2, which were related to different planting population densities. Although agronomic characteristics of hybrids varying in maturity have been widely studied, little information exists concerning their physiological differences. Therefore, the objective of the greenhouse study was to determine if stomatal resistance, leaf temperature, and leaf chlorophyll content differed between two DeKalb grain sorghum [Sorghum bicolor (L.) Moench] hybrids. They were DKS 36-16 and DKS 44-20, of medium-early and medium maturity, respectively, when grown under field conditions in Kansas. Seeds were planted in a greenhouse. Stomatal resistance and leaf temperature were measured 55 days after planting with a Decagon Devices (Pullman, WA) diffusion porometer, and chlorophyll content was measured 119 days after planting with a Konica Minolta (Osaka, Japan) SPAD chlorophyll meter. The two hybrids did not differ in stomatal resistance, leaf temperature, chlorophyll content, height, and dry weight. Their difference in maturity was not evident under the greenhouse conditions. Future work needs to show if hybrids of different maturities vary in physiological characteristics.
