The defense of the cultures is vital for the man because, according to the Adage, “ the farmer receives only what the parasite S want to leave him well ”. It is all the more necessary as the crop plants are generally variety S selected in order to improve their output and quality of the sought products, and these modifications of their inheritance Génétique makes them more fragile to the aggressions of their environment, that they are the aggressions of organizations Parasite S or Phytophage S, of the competition of the Mauvaises grass or accidents ic Climat.

Fight against the physical aggressions

  • Protection against the bad weather
  • Care with the wounds (accidental or consecutive with the size)

Fight against the nutritional deficiencies

Fight against the enemies of the cultures

Methods of prevention

Cultivation methods

  • Improvement of the ground (amendments, drainage, Manure)
  • Land rotation (Rotation or rotation of crops)
  • Selection of resistant varieties and Hybridization S
  • Measurements of cleanliness of the ground
  • Maintenance of the accesses of the piece
  • Scarecrow S

Lawful measurements

  • Control of the importation and the exchanges of plants

There exists a International convention for the protection of the plants

Methods of direct fight

Fight mechanical

  • collecting and destruction of the parasites, removal of caterpillars, removal of the vegetable parasites
  • traps
  • disinfection by thermal processes
  • physical protection (bagging of the fruits, nets against the birds, protective belts on the trunks)

Chemical fight

It is the recourse to the phytopharmacological produced or phytopharmacology.

biological Fight

integrated Fight

The integrated fight is a method of protection plant health against the undesirable Insecte S. It consists in following the evolution of the Nuisible S and their the predatory natural ones, to decide on a threshold and to choose among all the means of intervention available (farming ways, nutritive balances, natural enemies and, in the event of need, of chemicals), those which prove best adapted on the economic plan, ecological and toxicological.

See too

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