Kendao 9
The average yield per hectare in the regional trial from 1998 to 1999 was 7415.3 kg, which was 18.0% higher than that of the control variety Heijing 5, and the average hectare yield in the production trial in 2000 was 6869.0 kg, which was 14.2% higher than that of the control variety Heijing 5.
Characteristic japonica rice, the number of growth days is about 126 days, and the active accumulated temperature is 2393 ℃. The plant height is 86.5 cm, the ear length is 16.1 cm, the number of grains per panicle is about 95, and the 1000-grain weight is 28.1 g. From 1999 to 2000, the seedlings were artificially inoculated with 5mure 6, leaf blast 5, ear neck blast 9, naturally susceptible seedling blast 3-6, leaf blast 3-5, ear neck blast 7. Brown rice rate 82.9%, milled rice rate 74.6%, head rice rate 71.7%, ratio of length to width 1.7, chalkiness size 10.8%, chalky rice rate 8%, chalkiness 0.8%, alkali elimination value 7, gel consistency 59.3 mm, amylose content 18.31%, crude protein content 7.93%.
The key points of cultivation are dry cultivation and sparse planting cultivation, with transplanting specifications of 30 × 10-12 cm and 3-4 plants per hole. It is best to plant in a pot to promote tillers and protect the number of ears. It has strong fertility tolerance and is suitable for cultivation under medium fertility conditions. In the years of leaf sheath rot and brown spot, attention should be paid to disease prevention, using 5 kg carbendazim, 1.5 kg rice vinegar, 1.0 kg potassium dihydrogen phosphate and 150 kg water spray per hectare to prevent browning.
It is suitable for transplanting seedlings in the fourth accumulated temperate zone in Heilongjiang Province.
- Prev
Skillful management of wheat in late crop
The soil moisture and fertilizer should be adequate. The late stubble wheat must not rush to sow the soil moisture, under the premise of ensuring the soil moisture, re-apply the base fertilizer, conditional application of high-quality farm manure 3 square per mu; at the same time, according to the yield demand, 2% of the total N, P and K chemical fertilizer invested during the whole growth period and farm manure were mixed and scattered on the surface and into the ground. Select the right variety and increase the sowing quantity. Late stubble wheat is suitable for semi-winter varieties, which can be selected according to local conditions. At the same time, the actual days of late sowing are determined according to the local autumn temperature. Generally speaking, it is appropriate to increase the sowing amount by 0.5 kg per day according to late sowing.
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Chuanmai 39 (formerly Chuan 00062)
Characteristics: spring, the average growth period is 201.7 days. The seedlings are semi-erect, the tillering ability is medium, the leaves are narrow and the leaves are dark green. The plant height is 89.8 cm, the leaf sheath is powdered, the stem is tough, and the lodging resistance is good. Panicle oblong, long awn, white shell, white grain, horny. The average number of ears per mu is 236000 ears, the number of grains per ear is 35.5 grains, and the weight of 1000 grains is 51.3g. Inoculation resistance identification: leaf rust and stem rust immunity, high resistance to stripe rust, high susceptibility to powdery mildew, high susceptibility to scab. The mixed samples were determined in 2003 / 2004.
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