Xiang Mai 969
Xiang Mai 969 was selected by Xiangcheng Institute of Agricultural Sciences. Approval number: Yu Xianmai 2006018.
The main results are as follows: 1. the characteristic item wheat 969 belongs to the variety of weak spring, multi-spike type and mid-early maturity. The spring jointing is fast, the plant height is about 70 cm, the stem is elastic, the plant type is compact, and the ear layer is neat. Panicle oblong, long awn, white shell, white grain; grain oval, medium to large, good plumpness.
2. the results of comprehensive resistance identification of Plant Protection Institute of Provincial Academy of Agricultural Sciences from 2004 to 2006 and provincial regional test results showed that the variety was resistant to lodging, drought, dry and hot wind, and moderate resistance to leaf blight, stripe rust and powdery mildew. Leaf rust.
Third, the yield performance participated in the regional trial of Henan wheat variety Gaofei Chunshui Ⅱ group from 2004 to 2005. It was summarized at 7 points and increased at 7 points. The average yield per mu was 473.7 kg, which was 7.54% higher than that of Yumai 18. Participated in the wheat regional trial in Henan Province from 2005 to 2006, the average yield per mu was 509.4 kg, which was 7.96% higher than that of the control varieties. From 2005 to 2006, he also participated in the production test of spring group of wheat varieties in Henan Province. It was collected at 9 points and increased at 9 points. The average yield per mu was 475.1 kg, an increase of 8.1% over the control, ranking first among the tested varieties. From 2005 to 2006, the demonstration planting of Xiangcheng Agricultural Science Institute was 60 mu, and the per unit yield reached 612 kg.
4. The suitable area, Ximai 969, is suitable for planting in the middle and late cropping plots in the middle and high fertilizer areas of Henan Province (except in the southern rice and wheat area).
5. Cultivation points (1) the suitable sowing time is from October 15 to 25, and high yield can still be obtained by sowing in the first ten days of November. (2) the suitable sowing rate is 8-10 kg per mu, and the sowing rate should be increased when sowing late. (3) fertilization requirements. Apply sufficient base fertilizer according to the principle of stabilizing nitrogen, increasing phosphorus and replenishing potassium, and pay attention to applying 8kg urea per mu at jointing stage. (4) timely prevention and control of diseases and insect pests.
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Longfumai 14 (formerly known as Longfu 93-127)
Breeding unit: crop breeding Institute of Heilongjiang Academy of Agricultural Sciences Variety Source: F0 (Ke 86F6-545 / Hei 85-1584) γ 1.0Rad characteristics: spring, late maturity, the whole growth period is 92 days. The seedlings are erect and the leaves are light green. The plant height is 87 cm. Ear spindle type (La Budalin point is rectangular), awnless (Keshan wheat point is the top awn), white shell, red grain, hard. The average number of ears per mu is 372000 ears, 26 grains per ear, 1000 grains per ear.
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Problems and countermeasures in the control of wheat aphid
Problem 1: some farmers do not control wheat aphids according to the control index of wheat aphids, but control them after the wheat aphids are full of wheat ears, which not only cause harm to wheat, but also affect the control effect. The control index of wheat aphid is 500 aphids per ear. The plots that reach the control target should be treated with medicine immediately. Problem 2: if the drugs are not renewed, the wheat aphids will become resistant to the pesticides used, and the control effect is very poor. Countermeasures per mu at the initial stage of aphid occurrence
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