The Effect of Plant Age on the Spatial and Temporal Dynamics of Rice Blast in Arkansas

Long, Di; Beest, D. O. Te; Correll, James C.

doi:10.1007/978-94-015-9430-1_22

Cited by 2 publications

(1 citation statement)

References 2 publications

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“…It has long been known that rice plants with excessive application of nitrogen fertilizer (and a high level of nitrogen nutrient) are more susceptible to the blast disease than those with low levels of nitrogen nutrient, with more lesion formation on rice plants grown under high nitrogen than under low nitrogen [65]; these differences suggested that nitrogen level in rice tissues may affect its sensitivity to blast pathogen infection. Konishi et al [66] attempted to throw light on this issue using a proteomic approach, and Hitomebore rice cultivars infected with the blast fungus Magnaporthe grisea.…”

Section: Nitrogen Effect On Blast Fungus Infectionmentioning

confidence: 99%

Rice proteomics: Current status and future perspectives

Rakwal

Agrawal

2003

Electrophoresis

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Rice proteomics: Current status and future perspectivesRice, the first cereal crop genome to be decoded, has attracted the attention of researchers worldwide because of its immense socio-economic impact on human existence. With the availability of the draft genome sequence of two major types, japonica-and indica-rice, "rice proteomics" has entered into the era of functional genomics. Although during the last decade an important but limited progress (mainly construction of protein datafiles) has been made in the field of rice proteomics, it is only recently that dedicated research groups have taken this challenge to systematically analyze the rice proteome at the cell (and organelle), tissue, and whole plant level. Important gains achieved by the accelerated technological progress in protein separation and identification will help in going beyond the simple cataloguing of rice proteins in realistic terms. In this review, we discuss the progress made in the field of rice proteomics to date and dwell upon the future direction/problems/approaches towards defining the rice proteome.

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Section: Nitrogen Effect On Blast Fungus Infectionmentioning

confidence: 99%

Rice proteomics: Current status and future perspectives

Rakwal

Agrawal

2003

Electrophoresis

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Infection of Rice Seed Grown in Arkansas by Pyricularia grisea and Transmission to Seedlings in the Field

Guerber¹,

TeBeest

2006

Plant Disease

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Rice blast, caused by Pyricularia grisea, is an important and serious disease of rice (Oryza sativa) in the southeastern United States. The disease sporadically reaches epidemic proportions on susceptible cultivars within fields and over large areas within Arkansas. The main overwintering sources of inoculum reportedly include infected rice stubble, related host species, and infected seed. The objectives of the research were to (i) determine whether rice seed grown in Arkansas were infected with P. grisea, (ii) investigate the relationship between seed infection and seedling disease, and (iii) determine if planting naturally infected seed could lead to the subsequent development of rice blast on seedlings in the field. The results of seed assays showed that P. grisea was detected in samples of foundation, certified, and production seed. Estimated levels of infection by P. grisea of rice seed from 66 samples of rice seed grown in Arkansas ranged from 0 to 10.5%. Planting infected seed in the greenhouse and the field resulted in seedling infection. Planting naturally infected seed may result in disease development (i) from seedlings grown from infected seed planted beneath the soil surface, (ii) from seedlings grown from germinating seed left on the soil surface, (iii) from seed coats, or (iv) from nongerminated seed left on the soil surface after planting. Additional research is necessary to establish the mechanisms of infection of seedlings and to establish disease thresholds for this important fungal pathogen of rice.

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The Effect of Plant Age on the Spatial and Temporal Dynamics of Rice Blast in Arkansas

Cited by 2 publications

References 2 publications

Rice proteomics: Current status and future perspectives

Rice proteomics: Current status and future perspectives

Infection of Rice Seed Grown in Arkansas by Pyricularia grisea and Transmission to Seedlings in the Field

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