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三年来作者对于幼龄結果油棕的果穗和果实腐烂的症状、分布、蔓延为害,其发生条件和栽培管理的关系进行了詳細的調查和观察,并进行了病原分离、培养、田间人工接种和試探性化学保护等試驗。同时对果实离层組織的形成进行了切片检查。 結果指出海南十二个地区的幼龄结实棕园普遍出現的花、果、穗腐与环境条件和栽培管理有密切关系。果腐是果实离体后从蒂部組織开始的。从腐果組織中經常可以分离到細菌、炭疽菌和鐮刀菌。多次田間接种証明这些菌对健康果实和果穗均无致病能力。大田喷药无效。看来,油棕果腐病是由于环境坏、管理差的条件下,未成熟或接近成熟的果实产生离层而与果柄分离,再由外界杂菌腐食脫果而致腐烂。可見,本病是屬于非侵染性的生理病害。
In the past three years, the author conducted a detailed investigation and observation on the relationship between the symptom, distribution and spread of fruit decay and fruit decay, the conditions of its occurrence and the management of the juvenile oil palm. The pathogen isolation, culture, field inoculation and Tentative chemical protection and other tests. At the same time, the formation of fruit fission was examined by biopsy. The results indicated that flowers, fruit and ear rot commonly found in juvenile brownhouses in 12 regions of Hainan are closely related to environmental conditions and cultivation management. Fruit rot is the fruit from the pedicle tissue after the start. Bacteria, anthrax and Fusarium can often be isolated from rotten fruit tissue. Multiple inoculations demonstrated that these bacteria are non-pathogenic to healthy fruits and ears. Field spray invalid. It appears that the oil palm rot is due to bad environment, poor management conditions, unripe or near-mature fruit separated from the stalk and separation, and then by the outside of the rot off the rot off the bacteria bacteria decay. Can be seen, the disease is a non-invasive physiological disease.