Codonopsis downy mildew
There are irregular brown disease spots on the leaf surface and gray mildew on the back of the leaves (conidiophores and conidia), which can cause plant death.
The prevention and cure method removes the residual leaves of diseased plants and is centrally burned; during the onset of the disease, 40% Frozen 300 times or 70% chlorothalonil 1000 times are sprayed once every 7 to 10 days for 2 to 3 times in a row.
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Intensive cultivation of Pleurotus ostreatus
Tea mushroom, also known as tea tree mushroom, the mushroom meat tender handle crisp, pure fragrance, excellent taste, naturally distributed in Fujian, Taiwan, Yunnan, Xizang and other places of Camellia oleifera. In recent years, Jiangxi, Fujian and other provinces have been commercial large-scale production, the domestic export of products are popular. The intensive three-dimensional cultivation techniques are introduced as follows: 1. Construction of mushroom shed: whether it is indoor mushroom house or wild mushroom house (or plastic greenhouse), according to the requirements of pollution-free production, environmental conditions must be optimized, soil, water quality, water pollution-free. Houses with intensive production
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New strain of Codonopsis pilosula 92-02
1. Variety introduction: Codonopsis pilosula is one of the main Chinese herbal medicines in Dingxi City, Gansu Province, with a planting area of about 18700 hm2 over the years, with a total output of more than 30, 000 tons, accounting for 40% of the national share. In 2001, Weiyuan County of Dingxi City was named "the hometown of Chinese Codonopsis pilosula" by the Township Organizing Committee of Chinese Agricultural Association. Party participation has become one of the important pillar industries in Dingxi City. However, at present, Codonopsis pilosula planted in the field is basically a mixture of many types, which has a negative impact on the yield and quality, and seriously restricts the sustainable development of Codonopsis pilosula industry. For this reason, breeding
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