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Article de recherche / Research Article

Tableau 1

Répartition de l’infestation des parcelles céréalières par le nématode à kyste des céréales « Heterodera spp. » dans l’Ouest de l’Algérie.

Distribution of the infestation of cereal plots by the “Heterodera spp.” cereal cyst nematode in western Algeria.

Région nbr parcelle nbr parcelle, infest Blé dur nbr parcelle, infest % infest Blé tendre nbr parcelle, infest % infest Orge nbr parcelle, infest % infest Avoine nbr parcelle, infest % infest
Adrar 63 25 36 13 36 12 3 25 14 8 57 1 1 100
Tindouf 13 3 6 2 33 0 0 0 7 2 29 0 0 0
Bechar 35 12 18 5 22 7 4 43 11 6 45 0 0 0
Relizane 301 205 145 93 37 70 48 50 47 31 49 39 25 47
Mascara 509 272 231 118 27 132 67 38 89 45 39 62 34 42
Mostaganem 146 66 53 14 9 38 10 24 38 12 21 19 2 5
Sidi belabbes 369 182 130 63 21 94 52 18 77 36 18 68 32 18
Tiaret 120 66 57 36 32 41 23 53 12 4 33 9 3 33
Témouchent 81 48 37 24 41 29 16 55 11 7 64 4 3 75
Saida 118 59 47 28 30 36 18 31 20 9 30 11 4 36
Naama 14 2 5 1 20 3 0 0 4 1 25 2 0 0
Oran 18 8 7 3 41 5 1 20 5 2 40 1 0 0
Total 1787 948 772 400 52 467 242 52 335 163 49 216 104 48
% infestation 53 22 14 9 6

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