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棉花烂铃是多种病菌侵染棉铃所致。据测定,烂铃籽棉比健铃损失37.6％,皮棉损失51.1％,衣分损失约7.9％,纤维长度和强力分别下降23.4％和40.3％,可见烂铃对棉花产量和品质都有较大影响,所以烂铃问题必须引起重视,并及时采取防止措施。 棉花烂铃现象每年都有发生,一般年份产量损失5％～10％,雨水多年份以及棉株长势较旺的棉田烂铃更严重,有的僵瓣花几乎占总收量的1/4。为防止烂铃可以采取如下措施: 1 加强田间管理,防止造成棉田郁蔽。合理配置株行距,实行宽行密植,
Cotton boll is a variety of germs infection caused by cotton bolls. According to the results, the percentage of rotten seed cotton was 37.6%, loss of lint cotton was 51.1%, loss of clothing was 7.9%, fiber length and strength were decreased by 23.4% and 40.3% respectively, showing that rotten bollworm had a greater impact on cotton yield and quality , So bad bell problem must pay attention, and take timely preventive measures. The phenomenon of rotten cotton boll occurs every year, the annual yield loss of 5% -10%, the rainy years and cotton growing cotton spikes more serious, some petals almost accounted for 1/4 of the total harvest. To prevent the bad bell can take the following measures: 1 to strengthen field management, to prevent the formation of cotton fields. Reasonable allocation of row spacing, the implementation of wide-line close planting,