New Achievement of Upland Rice "Summer drought 51"
The result belongs to early maturing japonica upland rice with strong drought resistance, high yield and general rice quality. Susceptible to rice blast, resistant to flax leaf spot, suitable for dry cultivation. The plant height is 86.8cm, the plant type is compact, the leaves are thrust up at the seedling stage, the leaves are dark green, the growth is steady, the growth is exuberant in the middle and later stage, the tillering ability and panicle rate are higher, and the lodging resistance is strong. Panicle length 15.1cm, total grains per panicle 88-90, seed setting rate 90%, 1000-grain weight about 25g. Resistance: leaf blast grade 3, ear neck blast grade 7, flax leaf spot 1 grade. Main indicators of rice quality: head rice rate 64.5%, length-width ratio 1.6, chalky rice rate 90%, chalkiness 27.1%, gel consistency 71mm, amylose content 16.1%.
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Cultivation techniques of upland rice
Upland rice means that under the condition of dry field, high-quality rice varieties with strong drought tolerance are selected, drought direct seeding is adopted, the whole growth period is dominated by natural rainfall, and in the critical period of growth and development, water should be properly supplied in case of drought, so that rice can grow and develop normally, blossom and bear fruit in a relatively moist soil. The main points of upland rice cultivation techniques are introduced as follows: first, the selection of varieties because the sowing date of upland rice is later than that of rice, so the varieties with early maturity should be considered in variety selection. Our province recently passed the national examination and approval.
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Present situation and existing problems of upland rice production
Upland rice, also known as upland rice, is a type of cultivated rice with strong drought resistance, barren tolerance and suitable for direct seeding in dry land. Any soil suitable for the growth of wheat, corn and other major dry grain crops can be planted. There is no need for water layer management during the whole growth period, and the amount of irrigation is only 10% of that of rice. Upland rice is more tolerant to drought and barren than rice, and has the characteristics of water saving with less input and more output. I. the general situation of upland rice production in the world at present, there are 18 million hectares of upland rice planting area in the world. In West Africa, upland rice accounts for more than 75% of the rice farming area.
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