论文部分内容阅读
内蒙古甜菜产区的无霜期较短,可是,目前生产上推广的主要品种却是晚熟类型。这对于根据不同自然区划合理布局品种,调整糖厂的加工期很不利。特别是在提前收获的情况下,不仅块根产量会减少,更为突出的问题是纯度低、糖分下降(试验证明,提前或推后收获20～30天,含糖率相差1.65～2.44度),直接影响糖厂的经济效益。因此,选育早熟的丰产高糖品种是今后育种工作的方向。
The frost-free period in the beet producing area in Inner Mongolia is short, however, the main varieties currently being promoted in production are late-maturing types. This is reasonable according to different natural layout of the species, adjust the processing of sugar is very unfavorable. Especially in the case of early harvest, not only the root yield will be reduced, the more prominent problems are the low purity and the declining sugar (the test proves that 20-30 days in advance or postponed, the sugar content difference 1.65 ~ 2.44 degrees) Directly affect the economic benefits of sugar mills. Therefore, the breeding of early-maturing high-yielding varieties of high-sugar breeding direction in the future.