РОЛЬ ЭЛИТНЫХ ХОЗЯЙСТВ В СОХРАНЕНИИ ХОЗЯЙСТВЕННО ЦЕННЫХ ПРИЗНАКОВ РАЗМНОЖАЕМЫХ СОРТОВ хлопчатника

Preservation of the purity of propagated cotton varieties, mainly depends on the work of elite farms. And further forced multiplication of elite materials in seed-growing farms. The status of elite-seed production can be judged by the final results, the quantity and quality of the seed seeds of the elite and subsequent reproductions.