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Chemical control of vegetable diseases in Japan Sensible use of pesticides

by Nishi, Y; Tezuka, N. Vegetable Research Institute, Isshinden, Mie-ken (Japón); Food and Fertilizer Technology Center, Taiwan (Taiwan); Seminar on Sensible Use of Pesticides Tokio (Japón) 28 Nov-3 Dic 1978.
Series: FFTC Book Series - Food and Fertilizer Technology Center (Taiwan).Publisher: Taiwan (Taiwan) 1979Description: p. 88-100.Subject(s): CONTROL DE ENFERMEDADES | HORTALIZAS (PLANTAS) | CUBIERTAS DE PLASTICO | ENFERMEDADES DE LAS PLANTAS | VIROSIS | ENFERMEDADES FUNGOSAS | JAPON | DISEASE CONTROL | VEGETABLE CROPS | PLASTIC FILM COVERS | PLANT DISEASES | VIROSES | FUNGAL DISEASES | JAPAN | CONTROLE DE MALADIES | PLANTE LEGUMIERE | ABRI PLASTIQUE | MALADIE DES PLANTES | VIROSE | MALADIE FONGIQUE | JAPON In: Summary: Growing of vegetables under structure using plastic vinyl film has become very popular in Japan in recent years. In 1973, the total area was 17,700 ha. This chance has brought about changes in production pattern but has assured of stable production and all year round supply of vegetables. However, with this method of production, the kinds of diseases increased in number because of the favorable conditions within the structure conducive to the development of disease. Virus diseases such as cucumber mosaic (CMV) are the most important diseases affecting vegetables. Soil-borne diseases such as Fusarium wilt and foliar diseases are also prevalent. Chemical control is the primary method of control used against these diseases. Gray mold, caused by B. cinerea which has a very wide range of hosts and attacks a variety of vegetables has exhibited resistance to various fungicides. This is presently only partly controlled by a mixture of polyoxins, dichlofluanid, and dicloran. Frequent applications of the fungicides which have been effectively controlling B. cinerea may have caused its resistance to these chemicals. A discussion of the important vegetable diseases and their control is included in the paper
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Growing of vegetables under structure using plastic vinyl film has become very popular in Japan in recent years. In 1973, the total area was 17,700 ha. This chance has brought about changes in production pattern but has assured of stable production and all year round supply of vegetables. However, with this method of production, the kinds of diseases increased in number because of the favorable conditions within the structure conducive to the development of disease. Virus diseases such as cucumber mosaic (CMV) are the most important diseases affecting vegetables. Soil-borne diseases such as Fusarium wilt and foliar diseases are also prevalent. Chemical control is the primary method of control used against these diseases. Gray mold, caused by B. cinerea which has a very wide range of hosts and attacks a variety of vegetables has exhibited resistance to various fungicides. This is presently only partly controlled by a mixture of polyoxins, dichlofluanid, and dicloran. Frequent applications of the fungicides which have been effectively controlling B. cinerea may have caused its resistance to these chemicals. A discussion of the important vegetable diseases and their control is included in the paper

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