通过不同浓度 CaCl_2、B_9和采前不同天数叶面喷施对月季切花-萨曼莎的正交组合处理,筛选出可使该切花瓶插寿命由5.5 d 延长到8.0 d 的最佳采前处理为0.1%CaCl_2+300mg/L B_9,于采前10 d 喷施,瓶插期生理指标测定显示,含 Ca^(2+)处理液...通过不同浓度 CaCl_2、B_9和采前不同天数叶面喷施对月季切花-萨曼莎的正交组合处理,筛选出可使该切花瓶插寿命由5.5 d 延长到8.0 d 的最佳采前处理为0.1%CaCl_2+300mg/L B_9,于采前10 d 喷施,瓶插期生理指标测定显示,含 Ca^(2+)处理液能增大月季切花的干鲜比,是延长切花瓶插寿命的原因之一。展开更多
In order to screen excellent tobacco varieties/lines that can be promoted in Ankang tobacco-growing area, this article analyzed the growth stages, botanical characteristics, agronomic characteristics, disease resistan...In order to screen excellent tobacco varieties/lines that can be promoted in Ankang tobacco-growing area, this article analyzed the growth stages, botanical characteristics, agronomic characteristics, disease resistance, flue-cured leaf appearance and economic characteristics of five tobacco varieties （lines）： Yunyan 99, Yunyan 105, 6517, PVH19 and K326. The results showed that, compared with the control K326, Yunyan 105 had good appearance of flue-cured leaves, long growth duration and high disease resistance; its floral buds appeared early; it produced 22.8 leaves per plant, high yield of 2 134.5 kg/hm2 and high economic output of 39 274.8 Yuan/hm2. The percentage of first-class leaves of Yunyan 105 reached 39.07%, and the weight per leaf was 8.4 g. Yunyan 99 also had good appearance of flue-cured leaves, large stem diameter, large middle leaves high disease resistance; the sand leaves of Yunyan 99 matured early; its tobacco leaf yield was 2 058 kg/hm2, and its economic output reached 36 838.5 Yuan/hm2; the percentage of first-class leaves of Yunyan 99 was 40.4%. In summary, both Yunyan 105 and Yunyan 99 performed well in all tested traits, and thus can be selectively planted in Ankang tobaccogrowing area.展开更多
文摘通过不同浓度 CaCl_2、B_9和采前不同天数叶面喷施对月季切花-萨曼莎的正交组合处理,筛选出可使该切花瓶插寿命由5.5 d 延长到8.0 d 的最佳采前处理为0.1%CaCl_2+300mg/L B_9,于采前10 d 喷施,瓶插期生理指标测定显示,含 Ca^(2+)处理液能增大月季切花的干鲜比,是延长切花瓶插寿命的原因之一。
文摘In order to screen excellent tobacco varieties/lines that can be promoted in Ankang tobacco-growing area, this article analyzed the growth stages, botanical characteristics, agronomic characteristics, disease resistance, flue-cured leaf appearance and economic characteristics of five tobacco varieties （lines）： Yunyan 99, Yunyan 105, 6517, PVH19 and K326. The results showed that, compared with the control K326, Yunyan 105 had good appearance of flue-cured leaves, long growth duration and high disease resistance; its floral buds appeared early; it produced 22.8 leaves per plant, high yield of 2 134.5 kg/hm2 and high economic output of 39 274.8 Yuan/hm2. The percentage of first-class leaves of Yunyan 105 reached 39.07%, and the weight per leaf was 8.4 g. Yunyan 99 also had good appearance of flue-cured leaves, large stem diameter, large middle leaves high disease resistance; the sand leaves of Yunyan 99 matured early; its tobacco leaf yield was 2 058 kg/hm2, and its economic output reached 36 838.5 Yuan/hm2; the percentage of first-class leaves of Yunyan 99 was 40.4%. In summary, both Yunyan 105 and Yunyan 99 performed well in all tested traits, and thus can be selectively planted in Ankang tobaccogrowing area.
