Application of Nitrogen and Silicon Rates on Morphological and Chemical Lodging Related Characteristics in Rice (Oryza sativa L.) at North of Iran

Dastan, Salman; Siavoshi, Morteza; Dariush, Zakavi; Nasiri, Alireza; Yadi, Reza; Ehsan, Ghorbannia Delavar; Reza, Nasiri Nasiri Ali

doi:10.5539/jas.v4n6p12

Cited by 31 publications

(14 citation statements)

References 19 publications

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“…An increase of fertilizer levels significantly improves growth, grain and straw yields of rice. This result also confirms that fertilizer (N, P and K) is essential for increasing rice grain yields [7][8][9]. It promotes rapid growth and increases leaf size, spikelet number per panicle, percentage of filled spikelet in each panicle and grain protein content [10][11][12][13][14] also indicated that the grain yield of most rice hybrids significantly increased when N-fertilizer went up to 180 kg ha −1 .…”

Section: Discussionsupporting

confidence: 62%

Assessment of Rice Inbred Lines and Hybrids under Low Fertilizer Levels in Senegal

Kanfany¹,

El-Namaky²,

Ndiaye³

et al. 2014

Sustainability

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This research was conducted at the Africa Rice Sahel Regional Station (near Saint Louis, Senegal) during two wet seasons (i.e., July to November) in 2010 and 2011 with the aim of assessing the performances of introduced hybrid cultivars along with an inbred check cultivar under low input fertilizer levels. The five treatments used in this study were (a) the control (without any fertilizer application), (b) 37.5-4.4-8.3 kg N-P-K ha −1 , (c) half of recommend application in kg N-P-K ha −1 ), (d) 112.5-13.3-24.8 kg N-P-K ha −1 , and (e) the recommended application in the country (150-17.5-33 kg N-P-K ha −1 ). There were significant year and cultivar effects for all traits. The fertilizer levels affected significantly most traits except panicle length and 1000-grain weight. The year × fertilizer level and year × cultivar interactions were significant for most traits, but the fertilizer level × cultivar and year × fertilizer level × cultivar interactions were not significant. Days to maturity, plant height, panicle per m 2 , and grain yield increased with increasing fertilizer levels during the two wet seasons. The grain yield of rice hybrids (bred by the International Rice Research Institute) was not significantly higher than that of the check cultivar widely grown in Senegal. The assessment of other rice hybrid germplasm showing more adaptability to low fertilizer levels will facilitate further hybrid cultivar development in Africa.

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Section: Discussionsupporting

confidence: 62%

Assessment of Rice Inbred Lines and Hybrids under Low Fertilizer Levels in Senegal

Kanfany¹,

El-Namaky²,

Ndiaye³

et al. 2014

Sustainability

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“…It has a positive impact on plant height, lodging resistance, inter-node length, bending strength, and enhances tolerance capacity to lodging in rice [236,237]. Application of silicon-enhanced lodging-associated traits like panicle length, stem length, plant height, and the third internode length, but the fourth internode length was decreased which is vital for resistance against lodging [238]. Silicon solution significantly reduced lodging percentage of rice by enhancing stem breaking resistance and inter-nodal length [239].…”

Section: Agronomical Managementmentioning

confidence: 99%

“…Silicon solution significantly reduced lodging percentage of rice by enhancing stem breaking resistance and inter-nodal length [239]. It was revealed that the silicon application could be distributed between the third and fourth internode, which enhanced the lodging resistance [238].…”

Section: Agronomical Managementmentioning

confidence: 99%

Improving Lodging Resistance: Using Wheat and Rice as Classical Examples

Shah

Yahya

Shah

et al. 2019

IJMS

140

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One of the most chronic constraints to crop production is the grain yield reduction near the crop harvest stage by lodging worldwide. This is more prevalent in cereal crops, particularly in wheat and rice. Major factors associated with lodging involve morphological and anatomical traits along with the chemical composition of the stem. These traits have built up the remarkable relationship in wheat and rice genotypes either prone to lodging or displaying lodging resistance. In this review, we have made a comparison of our conceptual perceptions with foregoing published reports and proposed the fundamental controlling techniques that could be practiced to control the devastating effects of lodging stress. The management of lodging stress is, however, reliant on chemical, agronomical, and genetic factors that are reducing the risk of lodging threat in wheat and rice. But, still, there are many questions remain to be answered to elucidate the complex lodging phenomenon, so agronomists, breeders, physiologists, and molecular biologists require further investigation to address this challenging problem.

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“…A significant increase in plant height and culm length of rice plants treated with Si is in line with Salman et al (2012). A significant improvement could be due to changes in internode length that contributed to changes in rice plant height (Zhang et al 2017).…”

Section: Discussionmentioning

confidence: 65%

Increasing Yield of Susceptible and Resistant Rice Blast Cultivars Using Silicon Fertilization

Esa

Puteh

Mat

et al. 2020

Indones. J. Agric. Sci.

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<p>Rice blast is one of the most critical limiting factors for rice plant growth performance. Silicon has been shown to have positive effects in controlling several plant diseases. The study aimed to investigate the impact of silicon levels on rice yield, silicon content, and panicle blast in rice plants. The study was set up as a 2 x 5 factorial experiment with three replications and arranged in a randomized complete block design. The first factors were two rice cultivars, MARDI Siraj 297 (resistant) and MR 263 (susceptible). The second factors were five levels of calcium silicate (0 g, 4 g, 8 g, 12 g, and 16 g) applied to 40 kg soil per pot. The standard fertilizers, i.e., N, P2 O5, and K2 O, were applied four times at the recommended dosage. High virulent of Pyricularia oryzae conidia (4 x 104 conidia ml-1) was sprayed using a hand sprayer (30 ml pot-1) at the time of fully completed panicle development (65 days after planting). Observed parameters were plant growth (height and culm length), yields (spikelets per panicle, grain filling percentage, and harvest index), panicle blast severity, and silica content in leaf, stem, and panicle. The results showed that silicon application reduced panicle blast severity, leading to higher yield per plant. The increase of the rice yield was a result of a significant increae in panicle per m2 , spikelet per m2 , and percentage of filled grain. Panicle blast greatly affected the performance of spikelet number per m2 , percentage of filled grain, grain weight, and yield per plant for the susceptible cultivar. Application of calcium silicate 10 g 40 kg-1 soil per pot at panicle initiation is recommended to reduce panicle blast severity hereby improve grain yield.</p>

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Application of Nitrogen and Silicon Rates on Morphological and Chemical Lodging Related Characteristics in Rice (Oryza sativa L.) at North of Iran

Cited by 31 publications

References 19 publications

Assessment of Rice Inbred Lines and Hybrids under Low Fertilizer Levels in Senegal

Assessment of Rice Inbred Lines and Hybrids under Low Fertilizer Levels in Senegal

Improving Lodging Resistance: Using Wheat and Rice as Classical Examples

Increasing Yield of Susceptible and Resistant Rice Blast Cultivars Using Silicon Fertilization

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