Variety source:
Huiyou 50 is a semi-winter mid-maturing variety produced by Nanhui County Agricultural Research Institute in 1975 with 7401 as the female parent and cabbage-type rape as the parent.
Characteristics:
Seed traits: seed ball type, dark dark brown seed coat, about 4.0 grams of grain weight. The oil content is about 38%.
The pods traits: The pods were in the direct type, and the pods were longer. The pods in the normal ripening were yellow, with about 18 grains per angle.
Plant traits: Cotyledon kidney-shaped, seedlings semi-vertical, young stems green, light green leaves at seedling stage, stems are cyan and covered with wax powder, sunny surface was slightly pale red. The blade is deeply nicked, the petiole is short, and there are 2 pairs of lateral cracks. The edge is serrated and the veins are clear. The plant height is about 150 cm and the plant type is spinning down. The branches are lower, about 45 cm, and the branches and stems have larger angles of implantation. One effective branching of 8 and secondary branching of 2 to 3, the effective number of pods per plant is around 300 degrees. Pre- and post-winter growths are more prosperous and grow neatly.
Resistance to stress: cold, moisture, strong lodging resistance, strong resistance to sclerotia, not resistant to viral disease.
The whole growth period: sowing in September, mature in late May next year. The whole growth period is about 238 days.
Yield: Generally about 130 kilograms per mu, high yield blocks up to 175 kilograms or more.
Cultivation points:
Seedlings: Transplanted rapeseed sowing in late September, Putian sowing amount of 0.5 kg, the use of paclobutrazol or azotobacillus cultivation of old strong oysters. The age of 40-45 days.
Density: Transplanted in early November, planting about 9000 plants per acre.
Fertilization: The total amount of fertilizer is 15 kg pure nitrogen, 8 kg phosphorus pentoxide, and 5 kg potassium dioxide. Principles of fertilization: Reapply basal fertilizer or with root fertilizer, increase application of phosphorus and potassium fertilizer, early application of Miaofei, reapply wax fertilizer, control of moss fertilizer, skillfully apply flower keratin. Pre-spring and post-spring use fertilizer ratio of 7:3.
Pest control:
Control locusts, cabbage worms, in particular, to strengthen the comprehensive control of sclerotia.