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1.用硫酸纸预制雌穗隔离纸袋。按雌穗大小不同,做两种纸袋,折成8×18或9×20厘米的长筒,用缝纫机缝好一条长边,即成两端敞口的筒形袋,一端折叠,用曲别针两枚夹固,备用。 2.雌穗套袋。选典型株上未抽花丝的雌穗,套上纸袋。检查上端折叠严密后,将下口折包紧密,用两枚大头针固定在雌穗上。雄穗并不用套袋。 3.采雄穗。目测雌穗花丝抽出约3～6厘米时,于早晨6～8时(夏令时间),先父本株上即日布粉的雌穗分枝2～3枝,剪或折成长5厘米的
1. Prepared with sulfuric acid paper isolation ear bags. According to the different size of the ears, do two kinds of paper bags, folded into 8 × 18 or 9 × 20 cm long tube, sewing a long side with a sewing machine, that is, both ends of the open cylindrical bag, folded at one end, with the paperclip two Clamps fixed, spare. 2. Egg bagging. Select the typical strains of non-filigree spike, put on paper bags. Check the top of the fold is tight, the next fold compact, with two pin fixed on the ear. Tassels do not have bagging. 3 pick tassel. Visual examination of the spike of the filigree about 3 ~ 6 cm in the morning 6 to 8 pm (daylight saving time), the first line of this plant on the cloth flour ears 2 to 3 branches, cut or folded into 5 cm