A new cotton variety-Nongdamian 6 F1
Nongda Mian 6 F1 was selected by Hebei Agricultural University and was bred in 2000.
Main characteristics: plant tower type, Qingxiu. The plant height is about 82 cm, which is a medium-mature variety, and the growth period is about 129 days. The number of fruit branches per plant is about 12.4, the node position of the first fruit branch is about 6.3, the boll per plant is about 14.5, the boll weight is about 6.1 grams, the seed index is about 10.8 grams, the lint percentage is about 40.2%, and the pre-frost flowering rate is about 93.9%.
Disease resistance: the results of disease resistance identification of Plant Protection Institute of Hebei Academy of Agricultural and Forestry Sciences showed that it was resistant to Fusarium wilt and Verticillium wilt in 2002 and 2003.
Yield performance: the results of the provincial spring sowing conventional cotton regional test from 2002 to 2003 showed that the average yield per mu was 98.8 kg and 96.8 kg respectively, and that before frost was 92.3 kg and 91.8 kg respectively, while in the same group production experiment in 2003, the average lint yield per mu was 94.7 kg and 88.9 kg respectively.
Key points of cultivation techniques: the best sowing date is April 25-30, and the planting density is about 3500 plants / mu. Timely chemical control at bud and boll stage, early re-application of early flower fertilizer and topping fertilizer.
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Occurrence and control of brown spot and powdery mildew of Flos Lonicerae
Honeysuckle, also known as Erhua, honeysuckle, is a shrub for many years. The dried flower seedling of Flos Lonicerae is a widely used antibacterial medicine raw material, which has the effect of clearing heat and detoxification, activating meridians, reducing inflammation and detumescence. With the development and utilization of the medicinal value of honeysuckle, honeysuckle is planted more and more widely. However, the harm of Flos Lonicerae brown spot and powdery mildew also showed an increasing trend year by year. The occurrence and placement of these two diseases are described as follows: Flos Lonicerae brown spot is a leaf disease caused by subphyllococcosis, which is common and harmful.
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A New Cotton Variety-Nongda 94-7
Characteristics: the strain has short growth period, fast boll rising, no frost after flower, plant tower type; plant height 80-90 cm, leaf size moderate, leaf color dark green, good ventilation and light permeability, less bud and boll shedding, less crazy branches, strong boll grafting per plant, up to 160. Superfluous buds are easy to form buds and bolls, which can be pruned or unpruned, with a boll weight of 5.6-6.1 grams, smooth and concentrated boll spitting, easy to pick, white cotton, high lint percentage and 41% lint percentage. Key points of cultivation: application of sufficient base fertilizer, heavy application of flower and boll fertilizer and potash fertilizer, supplementary application of top fertilizer, chemical control
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