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Long Liangyou 1307

2020-09-02

Variety source: Longke 638S×Huahui 1307


Characteristics: Indica two-line hybrid rice variety. The mid-season rice planted in the middle and lower reaches of the Yangtze River has a full growth period of 3. days, which is shorter than the control Fengliangyou No. 4. The plant height is 19.9 cm, the ear length is 2. cm, the number of effective ears per mu is 41,000, the total number of grains per ear is 9. The seed setting rate is 6.8%, and the thousand-grain weight is 2. grams. Resistance: the comprehensive index of rice blast for two years respectively. Ear blast loss rate is the highest grade; Bacterial leaf blight is grade 5; Brown planthopper is grade 9; Susceptible to rice blast, moderately susceptible to bacterial blight, and highly susceptible to brown planthopper; main indicators of rice quality : The whole rice rate is 6.%, the aspect ratio is 7%, the chalkiness rate is 7%, the chalkiness is 4.7%, the gel consistency is 6mm, and the amylose content is 1.4%.


Yield performance: Participated in the green channel regional test of the late-maturing middle indica in the middle and lower reaches of the Yangtze River in 2005, with an average yield of 3.kg per mu, which is an increase of .% compared to the control Fengliangyou No. 4; the continued trial in 21 years has an average yield of 64.2 kg per mu. The yield of Liangyou No. 4 increased by 7.6%; the average yield per mu in the two-year regional test was 3. kg, which was an increase of .% compared to Fengliang You No. 4. In 21 years of production test, the average yield per mu is 63.6 kg, which is 6.9% higher than Fengliangyou No.4.


Cultivation technical points:. Timely sowing, the seedling amount per mu of seedling field is 8-1 kilograms, and the seeding amount per mu of field is .kg, sowing thinly and evenly to cultivate tillering and strong seedlings. The age of transplanting seedlings is controlled at about 3 days, the planting row spacing is 0.0 cm × 2. cm, and grain seedlings are planted in each hole. 3. The level of fertilizer required is medium-to-high, adopt heavy base fertilizer, topdressing tiller fertilizer in time, and follow the fertilization method of supplementing ear fertilizer to seedlings in the later period. Pay attention to the reasonable combination of nitrogen, phosphorus, and potassium fertilizers, and avoid partial application of nitrogen fertilizers in the middle and late stages. Generally, 2 kilograms of 4% rice special compound fertilizer per mu is used as base fertilizer. After transplanting, 7 to 1 kilograms of urea is applied in combination with herbicides and 7.5 kilograms of potassium chloride per mu. In the early stage, shallow water promotes tillering, enough seedlings fall into the water in time to dry the field, and in the later stage, it is mainly wet, avoid premature dehydration. 4. Adhere to strong chlorinated disinfection when soaking seeds. During the seedling stage, pay attention to the application of pesticides to control rice planthoppers to prevent southern black-streaked dwarf disease; the field focuses on the control of rice blast, including rice smut, sheath blight, bacterial leaf blight, southern black-streaked dwarf disease, stem borers, and rice fly Prevention and control of lice and other pests.


Approval number: National Approved Rice 20176067


Features: Tolerance to fertilizer and density, short stature, strong lodging resistance, disease resistance, large ears and large grains, high yield


Suitable for machine insertion, live broadcast, shrimp field rice


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