甘薯块根组织感染黑斑病时产生的自发荧光现象及其应用

AUTOFLUORESCENCE PHENOMENON IN CERATOCYSTIS FIMBRIATE-INFECTED TISSUE OF SWEET POTATE (IPOMOEA BATATAS LAM.) ROOT TUBERS AND ITS USE

1986、87两年分别采用上一年无病种薯28个品种/系各3块,取中部切决于切面上蘸接近等量和等浓度的黑疤病(Ceratocystis fimbriata)孢子悬液,恒温、恒湿培养,定期取样作侵染区组织徒手切片、乳酚油封片用BHZ型0lympus荧光显微镜(B+G滤镜激发)观察,取得以下资料;