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How to prevent and control southern blight in lilies? A full analysis of the key methods
Symptoms: The whole plant wilts, white mycelial strands or rapeseed-like tan-colored small sclerotia wrap around the stem base, and the affected part turns brown and rots. Large amounts of white mycelial strands and tan-colored sclerotia are visible on the soil surface. Pathogen: Sclerotium rolfsii Sacc., called the sclerotium-forming fungus, belongs to the Deuteromycotina fungi. The hyphae are white and silky, spreading in a fan-like or radial pattern, then gathering into mycelial strands or tangling into sclerotia. The sclerotia resemble rapeseeds, initially white to yellowish-white, later turning tan, round, with a smooth surface. Transmission routes: (1) The pathogen
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Detailed Explanation of Key Techniques for Achieving a Full Stand of Cotton from a Single Sowing
The technique of achieving a full stand of cotton from a single sowing has been a technical issue of concern to our cotton farmers and technicians for many years. It involves many factors - soil temperature, soil moisture, sowing methods, seed quality and treatment - all of which are key to achieving a full stand from a single sowing. Therefore, we discuss with cotton farmers how to achieve a full stand of cotton from a single sowing with strong seedlings and early development. I. Pre-sowing preparation. Preparation before sowing is the prerequisite and foundation for a full stand from a single sowing. As the saying goes, "Troops and horses move only after provisions are ready" and "Ten months of pregnancy, one day of delivery" - both illustrate the importance of preparation. Pre-sowing moisture building: by
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Detailed Explanation of Key Techniques for Full Seedling Emergence in a Single Sowing of Mulched Cotton
Baicheng City is located in the western part of Jilin Province and has a continental monsoon climate. To grow cotton there, the contradiction between the long cotton growth period and insufficient heat resources must be resolved. To achieve a bumper cotton harvest, the first essential step is to obtain full seedling emergence from a single sowing. In production, efforts must be made in adequate soil moisture, superior seed, fine sowing, film protection, and healthy seedlings, and the "five passes" must be strictly observed. I. Land Preparation and Fertilization Pass 1. Soil selection: Cotton is a heat-loving crop. It is best to choose flat sandy (loamy) land for planting, with the previous crop preferably gramineous crops, soybean stubble, etc., which
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Multiple high-yield, multi-resistant, high-quality hybrid japonica rice varieties successfully bred in Tianjin
After several years of research, the Rice Research Institute of the Tianjin Academy of Agricultural Sciences has successfully bred 9 new high-yield, multi-resistant, high-quality hybrid japonica rice varieties. At present, 6 of the new varieties have been designated as nationally approved high-quality hybrid japonica rice varieties, with an annual promotion area of more than 1 million mu, accounting for 20% of the total hybrid japonica rice area in China. It is understood that the Rice Research Institute of the Tianjin Academy of Agricultural Sciences, through independent innovation, successfully solved the worldwide problem of hybrid japonica rice breeding, and was the first in China to establish a hybrid japonica rice breeding technology system and seed production system, raising hybrid seed purity
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Super hybrid japonica rice successfully bred in Tianjin
In the golden autumn season, the thousand-mu rice fields at the Ninghe Rice Original Seed Farm are a sea of gold, and the super hybrid japonica rice planted here - the high-quality Xiaozhan hybrid japonica rice - has been successfully harvested. This marks major progress in the Tianjin major science and technology project led by Academician Yuan Longping - "Research on New Combinations of High-Quality, Super-High-Yield Xiaozhan Rice." Based on analysis of the number of grains per rice ear and other factors, rice experts expect the yield per mu to reach 800 kg, an increase of more than 150 kg over conventional rice yields, with greatly improved quality. According to reports, the conventional rice varieties currently planted in North China
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New cotton variety successfully bred in Gansu
The new cotton variety "Jiumian No. 6", bred by the Jiuquan City Institute of Agricultural Sciences (postal code: 735000, tel: 0937-2621195), recently passed variety approval in Gansu Province. This variety is an early-maturing upland cotton, with round bolls, a single boll weight of 6.2 grams, thin boll shells, and smooth and concentrated boll opening; the cotton lint is pure white and easy to pick. The seed index is 11.1 grams, the whole growth period is 145 days, and the pre-frost cotton rate is 81.7%. It is resistant to fusarium wilt, with a specific strength of 27.9 cN/tex, a Micronaire value of 4.3, and a spinning consistency index of 13
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New cotton variety Chuangyoumian 168 successfully bred in Hebei
The new transgenic insect-resistant cotton variety "Chuangyoumian 168", bred by Shijiazhuang Shiminfeng Seed Co., Ltd. (postal code: 050035, tel: 0311-85322590), recently passed variety approval in Henan Province. The variety has a growth period of about 127 days. Single boll weight 6.7 grams, lint percentage 40.5%, seed index 10.9 grams, pre-frost boll opening rate 90.2%. Highly resistant to fusarium wilt, tolerant to verticillium wilt, and resistant to lepidopteran pests such as cotton bollworm and pink bollworm. Specific strength 28.6 centinewtons/tex, micronaire value 5.4,
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Super-high-yield new hybrid japonica rice variety Qiuyou Jinfeng successfully bred
The super-high-yield new hybrid japonica rice variety "Qiuyou Jinfeng", independently bred by Shanghai scientists, after 3 years of production demonstration planting, reached a per-mu yield of 801.9 kg, and has recently passed expert acceptance inspection. On December 31, 2006, a reporter learned at the Shanghai Minhang District Agricultural Science Research Institute that the cultivation of the excellent variety "Qiuyou Jinfeng" uses the genetic differences between the two parents of indica rice and japonica rice, with an excellent late japonica sterile line as the female parent, and selects excellent indica rice and excellent japonica rice restorer lines as the male parent, through "indica-japonica bridging" technology, applying
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Hybrid late japonica rice restorer lines successfully bred in the Yangtze River Basin
Through the efforts of experts from the Shanghai Academy of Agricultural Sciences, the "Yangtze River Basin hybrid late japonica rice restorer lines - Shenhui 254 and Shenhui No. 1" were successfully bred and utilized. This project was awarded first prize for scientific and technological progress by the Shanghai Municipal Government this year. The key to applying hybrid late japonica rice in production in the Yangtze River Basin is to breed excellent late japonica-type restorer lines. This project used intermediate materials between indica and japonica subspecies as bridge parents, introduced indica restorer genes into late japonica rice varieties, adopted convergent crossing and systematic selection, and gathered the excellent base
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How to Trap and Kill Japanese Beetles? A Full Guide to Practical Control Methods
Hang 1 light-colored glass bottle every 3 to 4 trees, such as a beer bottle or a wide-mouthed medicine bottle. Wash the inside of the bottle clean, catch 2 to 3 live Japanese beetles and put them into the bottle, tie a rope around the neck of the bottle, and fasten it to a fruit tree branch, with the bottle mouth 2 cm from the branch. Japanese beetles have a gregarious habit and will crawl into the bottle one after another. Once the bottle is full of beetles, take it down and scald them to death with hot water.
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