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中棉所２１是我国“八五”攻关首批育成的抗虫、抗病、高产棉花新品种，１９９４年通过河南省审定。霜前皮棉每公顷９４５～１０２９公斤，比中棉所１２增产６％～８．４％；河南省生产示范中、高产田块霜前皮棉每公顷可达１５００公斤。其纤维品质优良，２．５％跨长２９...
CIMC 21 is the first batch of insect-resistant, disease-resistant and high-yield cotton cultivars bred in China’s “Eighth Five-Year Plan” and passed the examination and approval of Henan Province in 1994. Frost before the lint 945 ~ 1029 kg per hectare, CIMC 12 increased by 6% to 8.4%; Henan production demonstration, high yield plots of lint frost up to 1500 kg per hectare. Its fiber quality is excellent, 2.5% span 29 ...