Background, Current situation and management of the HLB and its ...

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“Mottling yellow leaf ” is shown as the leaf mature, the yellowing starts near the midrib, the lateral veins and leaf base. As the yellowing spreads, the leaf shows a mottled pattern.
Page 1 and 2: 2nd International Workshop on Citru
Page 3 and 4: 1. Distribution and importance 2. S
Page 5 and 6: Citrus Cultivation and HLB Occurren
Page 7 and 8: In 1980’, there was an apparent n
Page 9 and 10: HLB Occurrence and Psyllid Distribu
Page 11 and 12: In the area where citrus had not be
Page 13 and 14: Symptom
Page 15: “Yellow shoot” shown in the ini
Page 28 and 29: “Red nose fruit”
Page 30 and 31: Causal agent
Page 32 and 33: The graft transmissibility and viru
Page 34 and 35: There after, indexing results revea
Page 39 and 40: After the electron microscopic exam
Page 41 and 42: Recently, Chen et al. discovered a
Page 43 and 44: Incubation period after graft inocu
Page 45 and 46: The graft transmissibility and the
Page 47 and 48: As the budwoods collected from the
Page 49 and 50: Above data indicated that HLB incid
Page 51 and 52: Lin et al al. . (1965) reported tha
Page 53 and 54: Vector
Page 55 and 56: Under experimental condition, the t
Page 57 and 58: HLB could be transmitted by 4th-5th
Page 59 and 60: In the early 1960’, Kao et al al.
Page 61 and 62: The Sichuan Citrus Huanglongbing Su
Page 63 and 64: Above situation indicated that the
Page 65 and 66: Host
Page 67 and 68:
Control
Page 69 and 70:
2. Diagnosis Diagnosis. . Since the
Page 71 and 72:
The budwoods are collected from HLB
Page 73 and 74:
4. Psyllid control control. Strictl
Page 75 and 76:
Serious damage caused by HLB and th
Page 77 and 78:
Citrus planting was began in 1953.
Page 79 and 80:
Since December, 1978, psyllid contr
Page 81 and 82:
The situation similar with “Yangc
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Background, Current situation and management of the HLB and its ...

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