Download PDF by Samuel S. Gnanamanickam: Biological Control of Rice Diseases

By Samuel S. Gnanamanickam

ISBN-10: 9048124646

ISBN-13: 9789048124640

This publication on organic keep watch over of rice illnesses offers with microorganisms and cultural practices because the non-chemical choices built and used to control devastating rice ailments similar to blast, sheath blight, bacterial blight and rice tungro sickness in Asia. The time period, organic regulate has been used additionally to incorporate transgenic rices which hold rice genes or others whose temporary expression reason resistance to pathogens and decrease using chemical substances. this is often the 1st booklet that has been introduced out to record the organic keep watch over study in rice and the appliance of biocontrol brokers to rice. it's been constructed to supply specific debts near to organic keep watch over practised in rice over the past 30 years. even though, the methodologies and benefits follow to affliction keep an eye on in all different significant plants and consequently, may be of important curiosity to researchers and scholars of plant pathology, microbiology and crop science.

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Extra resources for Biological Control of Rice Diseases

Sample text

Its occurrence was also reported from Burma, Indonesia, Iran, Korea, Liberia, Thailand, Malaysia, China (Chin, 1976), Africa, Brazil, Surinam, Venezuela, Madagascar, USA and many countries in Asia. Paracer and Chahal (1963) first reported the occurrence of ShB from Gurdeespur in Punjab. Singh and Pavji (1969) reported the widespread occurrence of the disease in Varanasi (Uttar Pradesh). Now the disease is prevalent in most of the rice growing states in India, and in Kerala it was found to be one of the major constraints in rice production in the region of Kuttanad (Rajan, 1981).

Blast (Bl) 19 artificially created disease and pest nurseries or by infecting individual plants under controlled environments. These procedures are time consuming and expensive and are prone to be ambiguous. Besides, there are always susceptible plants that escape attack. Screening of plants with different pathogens and their pathotypes simultaneously or even sequentially is difficult if not impossible. Molecular markers offer great scope for improving the efficiency of conventional plant breeding by carrying out selection not directly on the trait of interest but on molecular markers linked to that trait.

Journal of Crop Improvement, 21, 101–116. Blair, M. , & McCouch, S. R. (1997). Microsatellite and sequence-tagged site markers diagnostic for the rice bacterial leaf blight resistance gene xa5. Theoretical and Applied Genetics, 95, 174–184. Boyatee, C. , & Lee, F. N. (1979). Reduction in rice yield caused by sheath blight. Arkansas Farm Research, 28, 5. Bryan, G. , Hershey, H. , McAdams, S. , et al. (2000). A single amino acid difference distinguishes resistant and susceptible alleles of the rice blast resistance gene Pi-ta.

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Biological Control of Rice Diseases by Samuel S. Gnanamanickam


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