Panmai 7
(1) Variety source: "Xingyuan No. 1", a Guizhou variety used by Panzhihua Institute of Agricultural Sciences, was used as female parent and "Mianyang 15" bred by Mianyang Agricultural Science Institute as male parent. Sexual crossing was carried out in 1988. After sea pedigree selection and summer sowing, the line was formed steadily in 1992, and the line code was "Panmai 93-1".
(2) characteristics: Panmai 7 is a spring mid-mature species, the whole growth period is about 201d, the seedling is semi-erect, the growth is prosperous, the plant height is about 85cm, the stem is strong, and the lodging resistance is strong. The spike is oblong, thick and short, long awn, white shell, spikelet flowering and fruiting. The number of grains per ear is 40, thousand grains are 47 grams, and the grains are full and white. Unit weight 810 g / L, crude protein 12.0%, wet gluten 24.7%, flour yield 69.0%, high resistance to strips, light white powder.
(3) yield performance: participated in the regional test of new plateau wheat varieties in Sichuan Province for two consecutive years in 1996 and 1997, and the average yield per mu at 13:00 was 432.0 kg, an increase of 6.67% over the control Xifu 4, reaching a significant level. Taking part in the production test in 1998, the yield of the three pilot plants varied from 426.7 kg to 511.2 kg, with an average yield of 473.8 kg per mu, an increase of 14.3% over the control.
(4) cultivation points: the amount of seed used per mu is 10-13 kg, and the sowing amount is determined according to soil moisture. The river valleys and shallow mountains below 1500 meters above sea level should be sown in late October, and the high altitude area should be appropriately delayed.
(5) suitable planting areas: suitable for planting in Liangshan, Panzhihua, Aba and other areas.
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Zhejiang New late Japonica Rice Variety Zhejing 22
In order to speed up the popularization and application of new late japonica rice varieties and exchange the experience of demonstration and popularization of new late japonica rice varieties, the Nuclear Institute of the Provincial Academy of Agricultural Sciences and the Provincial seed General Station jointly held a demonstration meeting of the new late japonica rice variety "Zhejing 22" in Huzhou from October 23 to 24. More than 50 representatives, including the Nuclear Research Institute of the Provincial Academy of Agricultural Sciences, the Scientific Research Department of the Provincial Academy of Agricultural Sciences, the Provincial seed Terminal, the Rural Department of the Provincial Department of Science and Technology, the seed management and extension departments of relevant cities and counties, and the units responsible for the "Zhejiang Jing22" demonstration project, attended the meeting. The participants visited Nanxun in Huzhou City.
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Wheat moth
The scientific name Sitotrogacerealella (Olivier) belongs to Lepidoptera, Noctuidae. Distributed all over the country. Host wheat, corn, rice, sorghum, buckwheat, Gramineae weed seeds, edible fungi and so on. The damage characteristics of the larvae eat the above seeds. Morphological characteristics: adult 4-5mm long, wingspan 14-18mm, grayish yellow; compound eyes black, antennae filiform, grayish brown; head and face densely covered with grayish brown scaly hairs; lower lip whiskers grayish brown, second thick, third tip
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