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Table 1 Source of rhizobacterial isolates and their tentative ability to produce HCN

From: Influence of hydrogen cyanide-producing rhizobacteria in controlling the crown gall and root-knot nematode, Meloidogyne incognita

Governorate Location Type of crop No. of tested isolates No. of HCN producing isolates HCN producing isolate code HCN producing reaction*
Beni Suef Al-Wasta Corn 4 1 BW3 +
Monufia Cairo–Alex. desert Rd(Dina farms) Corn 5 0
Minya Mallawi Onion 4 0
Beheira Rashid Guava 7 2 BR11 ++
BR13 +++
Beheira International Coastal Rd Apple 4 0
Beheira Abu Al Matamir Banana 4 0
Giza Abu Rawash Peach 5 1 GA 21 ++
Ismailia Wadi El-Mollak Potato 6 2 SW1 ++
SW4 +
  1. *Negative (−), weak (+), moderate (++) or strong (+++) reaction