Laboratory and Field Evaluation on the Attractancy of Elaeidobius kamerunicus Faust to 4-allylanisole

Kajian penarikan serangga pendebunga (Elaeidobius karnerunicus Faust) kelapa sawit kepada minyak meruap semulajdi debunga) dan 4-allylanisole telah dilakukan di makmal dan di ladang. Ujian di makmal menggunakan dua jenis olfaktometer menunjukkan bahawa sebatian 4-allylanisole adalah lebih tinggi daya tarikannya dibandingkan dengan minyak meruap semulajadi. Olfaktormeter jenis tiub-V adalah lebik sempnrna dan efisyan. Ujian di ladang […]

Field Observation of Clonal Oil Palms Irradiated with Gamma Rays

Clonal palms that were derived from callus cultures were repeatedly exposed to gamma rays of 5Gy (Grays) for three and five times during subculture intervals. Field observations and data recording were conducted four years after field planting. Preliminary results from palms derived from the callus cultures periodically irradiated for five times during subculture intervals recorded […]