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The Effect Of Water Deficits And Temperature On Early Panicle Development Of Sorghum Sorghum Bicolor L Moench
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Book Synopsis The Effect of Water Deficits and Temperature on Early Panicle Development of Sorghum (Sorghum Bicolor (L.) Moench) by : Rita Collette Hermus
Download or read book The Effect of Water Deficits and Temperature on Early Panicle Development of Sorghum (Sorghum Bicolor (L.) Moench) written by Rita Collette Hermus and published by . This book was released on 1988 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Early Water Deficits on Panicle Initiation and Yield of Grain Sorghum (Sorghum Bicolor L. Moench) by : Joseph Adjei Adjetey
Download or read book Effects of Early Water Deficits on Panicle Initiation and Yield of Grain Sorghum (Sorghum Bicolor L. Moench) written by Joseph Adjei Adjetey and published by . This book was released on 1983 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Environmental Effects on Panicle Development in Grain Sorghum (Sorghum Bicolor (L. Moench)) by : Robert Francis Brown
Download or read book Environmental Effects on Panicle Development in Grain Sorghum (Sorghum Bicolor (L. Moench)) written by Robert Francis Brown and published by . This book was released on 1978 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Cold Tolerance of Sorghum [Sorghum Bicolor (L.) Moench] During Germination and Early Seedling Growth by : Anne Alegre de la Soujeole
Download or read book Cold Tolerance of Sorghum [Sorghum Bicolor (L.) Moench] During Germination and Early Seedling Growth written by Anne Alegre de la Soujeole and published by . This book was released on 1985 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Effects of Lowering the Leaf Water Potential on the Stomatal Resistance and Photosynthetic Rate of Some Sorghum Bicolor (L.) Moench Genotypes by : Robert Gurney Henzell
Download or read book The Effects of Lowering the Leaf Water Potential on the Stomatal Resistance and Photosynthetic Rate of Some Sorghum Bicolor (L.) Moench Genotypes written by Robert Gurney Henzell and published by . This book was released on 1973 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Water Stress and Night Temperature on Grain Yield of Sorghum Bicolor (L.) Moench Under Field Conditions by : Josè Francísco Gòmez B.
Download or read book Effects of Water Stress and Night Temperature on Grain Yield of Sorghum Bicolor (L.) Moench Under Field Conditions written by Josè Francísco Gòmez B. and published by . This book was released on 1982 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Physiological and Agronomic Responses of a Grain Sorghum (Sorghum Bicolor (L.) Moench) Hybrid to Elevated Night Temperatures by : V. B. Ogunlela
Download or read book Physiological and Agronomic Responses of a Grain Sorghum (Sorghum Bicolor (L.) Moench) Hybrid to Elevated Night Temperatures written by V. B. Ogunlela and published by . This book was released on 1979 with total page 203 pages. Available in PDF, EPUB and Kindle. Book excerpt: Two greenhouse and three field experiment were conducted to study the effects of elevated night temperatures on the yield and growth of a grain sorghum (Sorghum bicolor (L.) Moench) hybrid. The genotype used in these investigations was the 'RS 671' (Redlan x Tx 415), an open-pedigree temperate-adapted grain sorghum. The phenological growth phase during which temperature treatments were imposed was the panicle development (GS-2) period. Experiment I, II (greenhouse) and III (field) were designed to determine the response of grain sorghum to two elevated night temperatures and the growth stage during GS-2 period when the plant is most sensitive to elevated temperatures. Experiment IV and V (field) were conducted with the same objectives as those for Experiment I, II and III and also to determine the effects of artificial preconditioning on the plant's response to elevated night temperatures. Experiments I - Plants were exposed to 26.5 and 32 C night temperatures at 4-day durations commencing from florest differentiation through bloom. The two elevated night temperatures caused significant reduction in grain yield and yield components except seed size that was enhanced (12%) by the 32 C treatment. Approximately 19%, 21%, 24% and 20% reductions in panicle dry weight, grain yield per plant, number of seeds per panicle and grams of grain/GS-3 day/plant, respectively, were caused by the 32 C treatment. The 26,5 C treatment also caused reduction in these variables but to much lesser degrees. Numbers of days to (...).
Book Synopsis The Effect of a Water Deficit at Two Stages of Development on Growth and Grain Yield of Sorghum Bicolor by : Brian Harm Whiting
Download or read book The Effect of a Water Deficit at Two Stages of Development on Growth and Grain Yield of Sorghum Bicolor written by Brian Harm Whiting and published by . This book was released on 1976 with total page 69 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Physiological Responses of Sorghum Bicolor L. Moench to Water Deficits by : P. Ravindra Nath
Download or read book Physiological Responses of Sorghum Bicolor L. Moench to Water Deficits written by P. Ravindra Nath and published by . This book was released on 1982 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Physiological and Genetic Characterization of Sorghum Exposed to Early Season Chilling and Terminal Heat and Drought Stress by : Anuj Chiluwal
Download or read book Physiological and Genetic Characterization of Sorghum Exposed to Early Season Chilling and Terminal Heat and Drought Stress written by Anuj Chiluwal and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Sorghum (Sorghum bicolor (L.) Moench) is one of the hardiest crop to abiotic stresses compared with other grain crops. However early stage chilling, terminal heat and drought stress are three most damaging abiotic stresses that have limited sorghum productivity in the US Great plains and other locations having similar environmental conditions. Three studies were conducted with an overall goal aimed at increasing grain sorghum's resilience to harsh climatic conditions. In the first study, four promising chilling stress tolerant sorghum advanced breeding lines, a known early stage chilling tolerant Chinese landrace (Shan Qui Red - SQR) and a susceptible US elite cultivar (RTx430) as checks were assessed for chilling tolerance during emergence and early growth under field and controlled environments. Aerial phenotyping using unmanned aircraft systems (UAS) fitted with multispectral camera was used to capture reflectance-based vegetation indices (NDVI and NDRE) in field experiments. Some advanced breeding lines with superior agronomic background also recorded significantly better emergence, seedling growth and vigor compared to SQR under chilling conditions. Aerial phenotyping indices from images taken between 30 and 60 days after emergence were consistently correlated with destructive measurements under early plantings, indicating their effectiveness in differentiating chilling responses. Second study was conducted to understand physiological mechanisms inducing heat stress resilience in sorghum during flowering. A diverse set of sorghum inbreds and selected hybrids were tested under greenhouse, growth chamber facilities and field conditions. A highly conserved early-morning-flowering mechanism was observed across all the inbreds and hybrids, with the peak anthesis wherein >90% of florets completed flowering within 30 min after dawn. The conserved response was consistent even under drought stress and heat stress exposure imposed at different times of the day. Our findings report a novel heat escaping early-morning-flowering mechanism effectively employed by sorghum to minimize heat stress impact at anthesis. Another experiment with sequential increase in daytime temperature treatments suggest heat stress induced loss in pollen viability to be a key factor resulting in reduced seed-set and grain yield. The findings suggest heat stress could have a greater impact on post-pollen germination processes such as fertilization, embryo formation and development. We identified a heat tolerant genotype "Macia" which appears to be a promising donor for developing improved heat tolerant sorghum hybrids. In the third study, a bi-parental recombinant inbred lines (RILs) mapping population developed from elite post flowering drought susceptible cultivar (RTx430) and a known drought tolerant cultivar (SC35) were evaluated under wide spectrum of environments and moisture conditions. Several novel and major QTL for grain yield, panicle neck diameter, effective quantum yield of photosystem II and chlorophyll content were identified. The genomic regions and the candidate genes within these regions can potentially help in improving source and sink dynamics in sorghum under diverse environments. The findings from these studies will complement ongoing efforts in developing future sorghum with enhanced resilience to different abiotic stresses that continue to limit sorghum productivity.
Book Synopsis The Effect of Environment on Seed Development in Sorghum by : Kirby William Huffman
Download or read book The Effect of Environment on Seed Development in Sorghum written by Kirby William Huffman and published by . This book was released on 1978 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Effects of Photoperiod and Temperature on Floral Initiation, Growth, and Peroxidase Activity of Milo Maturity Genotypes of Sorghum Bicolor (L.) Moench by : Ching-I Pao
Download or read book The Effects of Photoperiod and Temperature on Floral Initiation, Growth, and Peroxidase Activity of Milo Maturity Genotypes of Sorghum Bicolor (L.) Moench written by Ching-I Pao and published by . This book was released on 1983 with total page 484 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Freezing Temperature on Sorghum [Sorghum Bicolor (L.) Moench] Seed Differing in Moisture Content by : Carlos Pieta Filho
Download or read book Effects of Freezing Temperature on Sorghum [Sorghum Bicolor (L.) Moench] Seed Differing in Moisture Content written by Carlos Pieta Filho and published by . This book was released on 1975 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Plant Stress: Challenges and Management in the New Decade by : Swarnendu Roy
Download or read book Plant Stress: Challenges and Management in the New Decade written by Swarnendu Roy and published by Springer Nature. This book was released on 2022-03-31 with total page 453 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents an inclusive approach to deal with plant stresses in light of recent technological advances. As we have entered into a new decade, researchers and scientists should review and evaluate the recent findings in the field of plant stress management and visualize what we need to focus upon in the near future to increase crop yield. Above all, global climate changes present the greatest challenges of all time for plant scientists. In this context, the book highlights the recent findings and future perspectives in crop improvement to the faculties, scientists, research scholars, and postgraduate students. Major features of the book include an inclusive approach in understanding the mechanism of stress tolerance; recent advances and innovations in the field of allied disciplines like microbiology, molecular biology, biotechnology, plant breeding, nanobiotechnology, etc., for improving plant stress tolerance; and illustrative sketches to convey the mechanism and strategies of stress alleviation.
Book Synopsis Structural and Hydraulic Properties of Sorghum Bicolor (L.) Roots Following Exposure to Water Deficit by : Rolando Testa Cruz
Download or read book Structural and Hydraulic Properties of Sorghum Bicolor (L.) Roots Following Exposure to Water Deficit written by Rolando Testa Cruz and published by . This book was released on 1991 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Root Development and Water Relations of Grain Sorghum in the Early Growth Stages by : Jose Romero Corcetti Purcino
Download or read book Root Development and Water Relations of Grain Sorghum in the Early Growth Stages written by Jose Romero Corcetti Purcino and published by . This book was released on 1980 with total page 334 pages. Available in PDF, EPUB and Kindle. Book excerpt: Relacao da agua com o desenvolvimento da raiz do sorgo granifero nos primeiros estagios de crescimento. O trabalho procurou determinar a resposta das plantas jovens a mudanca de conteudo de umidade do solo e reducao da densidade de crescimento da raiz. Sob estas condicoes o desenvolvimento do sistema da raiz, crescimento da folha, area da folha e potencial de agua na folha foram estudados. A possibilidade do estagio sensitivo, no qual o desenvolvimento da raiz da planta pode causar stresse hidrico sem levar em conta o conteudo de agua no solo causando um minimo de potencial de agua na folha seguido por uma recuperacao gradual foi explorado.
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.
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