Preventing and controlling method for root rot of angelica sinensis
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A technology of root rot and angelica, applied in the agricultural field, can solve the problems of root system blackening, angelica yield reduction, angelica slice death, etc., to achieve the effect of promoting root growth, improving absorption capacity, and reducing the source of germs
Inactive Publication Date: 2018-09-04
贺州佳成技术转移服务有限公司
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At first, only a small number of angelica root rot appeared, but with the influence of rainy weather, the root system became blac...
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[0006] The present invention is described in further detail below in conjunction with specific embodiment, but does not limit protection scope and application scope of the present invention:
[0007] A method for preventing and treating root rot of angelica, comprising the following steps: (1) selecting disease-free seedlings and cropping them in rotation with gramineous crops; (2) selecting sandy soil with good drainage and good water permeability as the cultivation land, high ridge When planting, pay attention to removing stagnant water in time after the rain; (3) do a good job of cleaning the field, remove the severely diseased plants in time, and completely burn the sick and disabled tissues to reduce the source of pathogens in the next year; (4) 15 days before transplanting, use 40 % Pentachloronitrobenzene 1kg / mu for spreading and soil disinfection; (5) select robust and disease-free seedlings for transplanting, and use carbendazim or Songer (thiophanate-methyl) for seed ...
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Abstract
The invention discloses a preventing and controlling method for root rot of angelica sinensis. The method comprises the following steps: (1) selecting disease-free seedlings and performing crop rotation on the selected seedlings and graminaceous crops; (2) selecting sandy soil with good water discharge and good water permeability as cultivation land, performing high-ridge planting, and paying attention to discharge accumulated water in time after raining; (3) doing a good job of field cleaning work, removing plants with a serious disease in time, and burning diseased tissues thoroughly; (4) 15days before transplanting, performing spraying by using 1 kg of 40% pentachloronitrobenzene per mu; (5) selecting robust and disease-free seedlings, performing transplantation, and performing seed dressing by using carbendazim or thiophanate-methyl before transplanting; (6) spraying Genbao+Chongchabao+Youfeng in the seedling stage; and (7) after plants are infected with the root rot, disinfectingdisease holes by using lime, and simultaneously spraying disease areas by using 800-fold thiophanate-methyl or comprehensively irrigating the disease areas by using 1000-fold carbendazim. The methoddisclosed by the invention reduces sources of germs in a coming year, kills a fusarium disease, and effectively prevents and controls the root rot of the angelica sinensis.
Description
technical field [0001] The invention relates to the field of agriculture, in particular to a method for preventing and curing angelica root rot. Background technique [0002] Angelica, also known as Mingui, Qingui, and Chuangui, is a common Chinese herbal medicine, mainly produced in Gansu, Sichuan, Yunnan and other provinces, and also in Shaanxi, Guizhou, Hubei and other provinces, especially in Gansu, which accounts for the largest share of the whole country. More than 70% of the output. However, the climate in Gansu has been abnormal in recent years, especially after the autumnal equinox, when it rains continuously, a large area of angelica always withers and dies. At first, only a small number of angelica root rot appeared, but with the influence of rainy weather, the root system turned black and the rot became more and more obvious. Later, the angelicas died in pieces, resulting in a serious reduction in the yield of angelica. In fact, this is the hazard of root rot...
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