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  • P. Parvatha Reddy
Chapter

Abstract

RNA interference (RNAi) is a technology that allows for the specific down-regulation of genes and is a powerful tool for the identification of new targets for crop protection compounds. Whilst a crop protection compound inhibits its target protein, often an enzyme catalysing a specific metabolic step, RNAi targets the messenger RNA which encodes this enzyme and in consequence reduces the amount of the enzyme itself. Thus, RNAi is capable of mimicking the action of crop protection compounds. The availability of genome sequences for several model organisms made gene sequences available and provided the necessary information to target any gene of interest by using RNAi.

The biopesticide is based on fusion protein technology. This allows selected toxins from arthropods, which have no toxicity towards higher animals, to be combined with a carrier protein that makes them orally toxic to invertebrates, whereas they would normally only be effective when injected into a prey organism by a predator. The fusion protein, containing both the toxin and the carrier, is produced as a recombinant protein in a microbial expression system, which can be scaled up for industrial production.

Seed mat technology is ‘advancing crop technology’ by replacing agrochemicals for weed, pest and disease control by the use of advanced seed mat systems that also reduce water and labour requirement whilst improving food safety, quality and shelf life.

There are many ways the environment can be altered or managed to reduce plant diseases. Some of them include temperature, irrigation, humidity and host nutrition (fertiliser).

Keywords

Powdery Mildew Reniform Nematode Improve Food Safety Host Nutrition Crop Protection Product 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

References

  1. Belanger RR, Bowen P, Ehret DL, Menzies JG (1995) Soluble silicon: its role in crop and disease management of greenhouse crops. Plant Dis 79:329–336CrossRefGoogle Scholar
  2. Biggs AR (1999) Effects of calcium salts on apple bitter rot caused by two Colletotrichum spp. Plant Dis 83:1001–1005CrossRefGoogle Scholar
  3. Cheour F, Willemot C, Arul J, Deasjaardins Y, Makhlouf J, Charest PM, Gosselin A (1990) Foliar application of calcium chloride delays post-harvest ripening of strawberry. J Am Soc Hortic Sci 115:789–792Google Scholar
  4. Gupta DC, Mukhopadhyaya MC (1971) Effect of N, P and K on the root-knot nematode, Meloidogyne javanica (Treub) Chitwood. Sci Cult 37:246–247Google Scholar
  5. Hoffland E, Jeger MJ, van Beusichem ML (2000) Effect of nitrogen supply rate on disease resistance in tomato depends on the pathogen. Plant Soil 218:239–247CrossRefGoogle Scholar
  6. Kilkocka H, Haneklaus S, Bloem E, Schnug E (2005) Influence of sulfur fertilization on infections of potato tubers (Solanum tuberosum) with Rhizoctonia solani and Streptomyces scabies. J Plant Nutr 28:819–833CrossRefGoogle Scholar
  7. Kirkpatrik JD, Mai WF, Fisher EC, Parker KG (1959a) Population levels of Pratylenchus penetrans and Xiphinema americanum in relation to potassium fertilization on Montmorency sour cherries on Mazzard rootstock (Abstract). Phytopathol 49:543Google Scholar
  8. Kirkpatrik JD, Mai WF, Fisher EC, Parker KG (1959b) Relation of nematode population in nutrition of sour cherries (Abstract). Phytopathology 49:543Google Scholar
  9. Mann RL, Kettlewell PS, Jenkinson P (2004) Effect of foliar applied potassium chloride on septoria leaf blotch on winter wheat. Plant Pathol 53:653–659CrossRefGoogle Scholar
  10. Miyaki Y, Takahashi E (1983) Effect of silicon on the growth of solution cultured cucumber plant. Soil Sci Plant Nutr 29:71–83CrossRefGoogle Scholar
  11. Mucharromah E, Kuc J (1991) Oxalates and phosphates induce systemic resistance against disease caused by fungi, bacteria and viruses in cucumber. Crop Prot 10:265–270CrossRefGoogle Scholar
  12. Prabhu AS, Fageria NK, Huber DM, Rodrihues FA (2007) Potassium and plant disease. In: Datnoff LE, Elmer WH, Huber DM (eds) Mineral nutrition and plant disease. APS Press, St. Paul, pp 57–78Google Scholar
  13. Rahman M, Punja ZK (2007) Calcium and plant disease. In: Datnoff LE, Elmer WH, Huber DM (eds) Mineral nutrition and plant disease. APS Press, St. Paul, pp 79–94Google Scholar
  14. Reuveni MM, Reuveni R (1995) Efficacy of foliar application of phosphates in controlling powdery mildew fungus on field grown wine grapes: effects on cluster yield and peroxidase activity. J Phytopathol 143:21–25CrossRefGoogle Scholar
  15. Sivakumar CV, Meerazainuddin M (1974) Influence of N, P and K on the reniform nematode, Rotylenchulus reniformis and its effect on the yield of okra. Indian J Nematol 4:243–244Google Scholar
  16. Walters DR, Maurray DC (1992) Induction of systemic resistance to rust in Vicia faba by phosphate and EDTA: effects of calcium. Plant Pathol 41:444–448CrossRefGoogle Scholar
  17. Woltz SS, Jones JP, Scott JW (1992) Sodium chloride, nitrogen source and lime influence Fusarium crown rot severity in tomato. Hortic Sci 27:1087–1088Google Scholar

Copyright information

© Springer India 2012

Authors and Affiliations

  • P. Parvatha Reddy
    • 1
  1. 1.Indian Institute of Horticultural ResearchBangaloreIndia

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