A New Cotton Variety-Nongda 94-7

Features:

The plant height is 80-90 cm, the leaf size is moderate, the leaf color is thick green, the ventilation is good, the buds and bolls are less shed, the branches are less, the boll bearing per plant is strong, up to 160. The buds are easy to form buds and bolls, which can be pruned or not pruned. The bolls weigh 5.6- 6.1g. The bolls are large and the bolls are smooth and concentrated. They are easy to pick. The cotton wool is white and the lint is high. The general lint is 41%.

Cultivation points:

Apply enough base fertilizer, heavy flower and boll fertilizer and potassium fertilizer, supplement top fertilizer, chemical control in time, a small amount of times.

Sowing is timely, usually from mid-late April to early May. Sowing rate per mu 1.5 kg coated photons.

Cultivation without pruning: 1500-1800 seedlings per mu in high fertilizer water, 1.2 meters in big row, 0.75 meters in small row, 0.4 meters in plant spacing, 1800-2200 seedlings per mu in medium fertilizer water, about 2500 seedlings per mu in low fertilizer water.

Pruning cultivation: 2000-2200 seedlings per mu in high fertilizer water, 1.2 meters in large row, 0.70 meters in small row, 0.33 meters in plant spacing, 2000-2500 seedlings per mu in medium fertilizer water, and about 3000 seedlings per mu in low fertilizer water. Balanced fertilization promotes strong growth.

Timely control bugs, red spiders, aphids and other pests. When there are 20 larvae of cotton bollworm in 3rd instar and over 3rd instar of 100 plants, it should be controlled in time.

Yield performance:

2001-2004 In 4 years, the cotton varieties showed good disease resistance, insect resistance and early maturity in Hebei, Shandong, Shanxi and Henan. The yield per mu of common plots was 650 jin, and the yield of high yield plots was over 860 jin. It was a new high quality cotton line.