MySheen

Cultivation of Sweet Potato Guangzishu No.1

Published: 2024-11-22 Author: mysheen
Last Updated: 2024/11/22, Guangzishu No. 1 (Guangshu 95-1 / Guangshu 88-70), a new sweet potato variety bred by crop Research Institute of Guangdong Academy of Agricultural Sciences, passed the variety approval of Guangdong Province in March 2005. 1. Characteristics: the whole growth period of summer and autumn potato is 110-130 days. The color margin of the parietal leaf is purple, the leaf shape is light, the leaf vein is purple.

Guangzishu No. 1 (Guangshu 95-1 / Guangshu 88-70), a new sweet potato variety bred by crop Research Institute of Guangdong Academy of Agricultural Sciences, passed the variety approval of Guangdong Province in March 2005.

1. Characteristics: the whole growth period of summer and autumn potato is 110-130 days. The top leaf color margin is purple, the leaf shape is shallow, the leaf vein is purple, the stem is green with purple, the plant shape is semi-erect, the potato piece purple red skin, the purple flower color flesh, the potato shape spindle is more beautiful, the storability is good, the sprouting is good. The dry matter rate is 30.62%, the taste is 81.3 points, the starch rate is 19.51%, and the vitamin C content is 23.54 mg per 100 grams. Medium resistance to potato blast. It is suitable for water saving and dry land planting in summer and autumn.

two。 Yield performance: participated in the provincial high-quality group regional test from 2002 to 2003, and the results of the two-year regional test showed that the average yield of fresh potato was 2375.0 kg per mu, an increase of 49.96% over the control variety Guangshu 111, and an extremely significant increase in yield. The average yield of dry potato per mu was 732.7 kg, an increase of 62.73%, and an extremely significant increase.

3. Key points of cultivation techniques: ⑴ chooses non-insect potato tubers as seed potato seedlings, and selects tender and strong seedlings after pseudo-planting and planting, planting 3000mu and 3500 plants per mu; ⑵ planting land is better in dry land with irrigation capacity, and the soil quality is better in sandy loam soil to avoid field waterlogging. ⑶ applied 1500 kg organic fertilizer, 25 kg phosphate fertilizer per mu, 15-20 days after planting, 8-10 kg urea per mu, water and fertilizer application or hole application, 50 days after planting combined with ploughing and loosening soil, soil cultivation, combined with fertilization, 30 kg potassium sulfate per mu, 10 kg urea or 20 kg peanut bran, and ⑷ paid attention to the prevention and control of potato blast.

 
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