Introduction to the Hybrid Single-Season Rice Variety Xianghuayou No. 7
Characteristics: This variety is a three-line hybrid medium-late maturing medium rice. Grown as medium rice, its whole growth period is about 139 days, 5 days less than II You 58. Plant height is 110 cm, with a moderately loose plant type and relatively strong lodging resistance. Tillering ability is relatively strong, with 177,000 effective panicles per mu, 142.5 grains per panicle, a seed-setting rate above 80%, and a 1000-grain weight of 30.7 g. The grain is long in shape, and the rice quality is relatively good; at maturity the grains are plumply filled and the color fades well.
Cultivation points: When grown as medium rice in Hunan Province, sowing is generally done around April 15. Sow sparsely to raise strong seedlings; the seeding rate in the seedling bed is 10 kg per mu, and the seed rate for the main field is 1.25 kg per mu, with a transplanting spacing of 6 x 8 cun and 4 seedlings per hill (including tillers). The fertilizer requirement is medium to above medium. Manage water scientifically, control tillers and drain the field for sun-drying at the proper time; when the total number of tillers per mu reaches 250,000 plants, drain and sun-dry the field promptly. Do a good job in controlling rice leaf roller, rice planthopper, striped stem borer, pink stem borer, sheath blight, and other pests and diseases.