Effect of Seed Size on Germination Vigour Growth and Yield in Two Maize (Zea Mays L.) Genotypes PDF Download
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Author: S. Emmanuel
Publisher:
ISBN:
Category :
Languages : en
Pages : 64
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Author: S. Emmanuel
Publisher:
ISBN:
Category :
Languages : en
Pages : 64
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Author: A. Ravinder Raj
Publisher:
ISBN:
Category :
Languages : en
Pages : 61
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Author: R. M. Rajasekhar Swamy
Publisher:
ISBN:
Category :
Languages : en
Pages : 89
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Author: Muhammad Aslam
Publisher: Springer
ISBN: 3319254421
Category : Science
Languages : en
Pages : 79
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This book focuses on early germination, one of maize germplasm most important strategies for adapting to drought-induced stress. Some genotypes have the ability to adapt by either reducing water losses or by increasing water uptake. Drought tolerance is also an adaptive strategy that enables crop plants to maintain their normal physiological processes and deliver higher economical yield despite drought stress. Several processes are involved in conferring drought tolerance in maize: the accumulation of osmolytes or antioxidants, plant growth regulators, stress proteins and water channel proteins, transcription factors and signal transduction pathways. Drought is one of the most detrimental forms of abiotic stress around the world and seriously limits the productivity of agricultural crops. Maize, one of the leading cereal crops in the world, is sensitive to drought stress. Maize harvests are affected by drought stress at different growth stages in different regions. Numerous events in the life of maize crops can be affected by drought stress: germination potential, seedling growth, seedling stand establishment, overall growth and development, pollen and silk development, anthesis silking interval, pollination, and embryo, endosperm and kernel development. Though every maize genotype has the ability to avoid or withstand drought stress, there is a concrete need to improve the level of adaptability to drought stress to address the global issue of food security. The most common biological strategies for improving drought stress resistance include screening available maize germplasm for drought tolerance, conventional breeding strategies, and marker-assisted and genomic-assisted breeding and development of transgenic maize. As a comprehensive understanding of the effects of drought stress, adaptive strategies and potential breeding tools is the prerequisite for any sound breeding plan, this brief addresses these aspects.
Author: Najeed Ahmed Khan Nangraj
Publisher: LAP Lambert Academic Publishing
ISBN: 9783659427657
Category :
Languages : en
Pages : 72
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This book contain about maize (Zea mays L.) cultivar yield influence by various plant population. Comparing varying levels of plant population density to growth and yield is one measure used to gauge the value of maize cultivars. High plant population always increases competition for growth resources viz. light, moisture and nutrients and thus low grain yield was observed. Each maize cultivar reached a point of maximum yield and harvest index at 70000 plants ha-1; further increase in plant population had non-significant increase in yield. Among the tested maize cultivars, Afgoy had better performance for growth and yield
Author: Felizardo Amparano
Publisher:
ISBN:
Category :
Languages : en
Pages : 250
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Author: Berihanu Sime
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Maize (Zea mays L.) one of the most important cereal crop in Ethiopia, but growth performance and yield is very low due to in appropriate sowing depth. A green house experiment was conducted at Jimma University College of Agriculture and Veterinary Medicine during 2014/15 cropping season to investigate the effects different sowing depth on germination and growth performance of maize. The experiment was consisted of five level of sowing depth (2cm, 4cm, 6cm, 8cm and 10cm) in randomized complete design with three replications. The data were collected based on seed germination which determined by germination percentage and germination date with their growth performance. The results showed that sowing at depth of 6cm produced the tallest plant, highest number of leaves per plant, leaf length, leaf fresh weight and dry weight. The 10cm depth showed late in germination date and has poor performance as compared to other sowing depth when looked over the result. However, the results of the experiment were only growth parameters and did not include yield. So, similar research is needed to be conducted until final yielding of maize for better recommendation.
Author: S. P. Kiran
Publisher:
ISBN:
Category :
Languages : en
Pages : 202
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Author: Veeraswamy N.
Publisher:
ISBN:
Category :
Languages : en
Pages : 126
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Author: V.D. Chandrashekhara
Publisher:
ISBN:
Category :
Languages : en
Pages : 84
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