CN1062111C - 杂交水稻制种花期花时调节剂 - Google Patents

杂交水稻制种花期花时调节剂 Download PDF

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CN1062111C
CN1062111C CN95118951A CN95118951A CN1062111C CN 1062111 C CN1062111 C CN 1062111C CN 95118951 A CN95118951 A CN 95118951A CN 95118951 A CN95118951 A CN 95118951A CN 1062111 C CN1062111 C CN 1062111C
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李启荣
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Abstract

杂交水稻制种花期花时调节剂，由尿囊素、肌醇、叶酸、一水硼砂、一水硫酸镁组成。尿囊素占重量百分比13.33至40，肌醇3.38至60，叶酸6.67至16.67，一水硼砂10至20，一水硫酸镁10至20、能使开花日期不同的父母本，调节到同期开花，使母本提前到上午开始开花，达到父母本花时相遇。并且减少母本包颈，增加穗粒外露，增加颖花开颖角度，提高柱头外露率和活力，花时集中，缩短盛花时，从而大幅度提高种株受粉率和结实率。

Description

杂交水稻制种花期花时调节剂
本发明涉及粉剂喷雾设备的专门配置或布置，特别适用于杂交水稻的制种。
父母本生育期的长短，除亲本生育特性外，还决定于生长过程的多种因素。往往导致父母本原定花期发生变动。父母本不同期开花，则导致制种失败而颗粒无收。再者即使父母花期相遇，同期开花，开花时间不同，父本一般开花在午前，而母本一般多在午后，两者开花相遇时间短、不集中，从而使受粉率和结实率低，影响制种产量的提高。故杂交水稻制种中的父母花期花时不遇，是长期困扰制种工作的技术难题。
本发明的目的在于向公众提供一种控制杂交水稻制种时使父母本
的花期花时良好相遇的调节剂。
本发明这样实现：由尿囊素(H6C4N4O3)、肌醇(H2C6O6)、叶酸(H14C6N7O6)、一水硼砂(Na2B4O7H2O)、一水硫酸镁(MgSO4H2O)组成。其组分的重量百分比是：
尿囊素H6C4N4O313.33至40(％)最佳为：26.27至36.67
肌醇H12C6O63.38至60 最佳为：23.33至33.33
叶酸H14C6N7O66.67至16.67 最佳为：3.33至10.00
一水硼砂Na2B4O7H2O 10.0至20.0 最佳为：16.67至20.0
一水硫酸镁MgSO4H2O10.0至20.0最佳为：13.33至16.67
要求硼砂和硫酸镁占原料的98％，硼砂Na2B4O7·10H2O硫酸镁MgSO4·7H2O，我们所需要的是硼与镁的阳离子。而商品的硼砂和硫酸镁都含有7和10个分子水。分子水含量多容易潮解变质。分别采用远红外烘烤，通过红外线能量激发分子水分子震动，削弱结合键力，尔后脱水。干燥贮存备用。
尿囊素是买广西植物研究所李舒养研制的技术，题为“3-尿基间二氮环茂烷二酮-2.5的生产工艺，(申请号88102396.5，公告于88.10.26第4卷43号)，本厂用该技术自行生产。
肌醇H12C6O6、叶酸H14C6N7O6各农资门市部有销售。
将上述成份混合，研磨后过120目筛孔，即可分装成30克一包的产品。
本发明的优点：据安徽大学农学系、安徽种子公司的实验表明，适时喷施，能使母本提前开花，和父本开花期相遇；母本往往在下午可调至上午。并减少母本包颈，增柱头外露率。缩短盛花期，增大颖花角度，大幅度提高种株的受粉率，每亩可增产25千克至50千克。见下述表格：
表1一天开花动态
Figure 9511895100051
*：8/17～23共7天的平均值
续表1一天开花动态
Figure 9511895100061
*：8/17～23共7天的平均值
表2抽穗后逐日开花动态
(珍汕97A)
Figure 9511895100071
上表2表明第二天进入盛花期，处理Ⅰ、Ⅱ第二天开花速度快于CK，其中又以处理1的开花速度更快，在穗后第二天就开花过半，盛花期短而集中。
表3柱头外露率(珍汕97A)
Figure 9511895100081
实施例作30千克的产品，取尿囊素11千克，肌醇6千克、叶酸2.5千克、一水硼砂5.5千克、一水硫酸镁5千克，充分混合并研磨，过120目的筛孔。分装成每包30克的产品。每包30克可供一亩喷施，喷施兑水1000倍，在晴朗的天气，每天上午9时喷施。母本不育系花时提早20～120分钟，开花集中在上午9时至12时，午前开花增加20％至45％，花期由原来9至12天，缩短到4至5天。

Claims (1)

1、一种杂交水稻制种花期花时调节剂，有尿囊素、硼砂，其特征在于含有肌醇、叶酸和一水硫酸镁，其成份范围为：
尿囊素            13.33～40％     (重量)
肌醇              3.38～60％      (重量)
叶酸              6.67～16.7％    (重量)
一水硼砂          10.00～20％     (重量)
一水硫酸镁        10.00～20％     (重量)
各成分的总和为100％    (重量)
CN95118951A 1995-12-06 1995-12-06 杂交水稻制种花期花时调节剂 Expired - Fee Related CN1062111C (zh)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86106655A (zh) * 1986-10-09 1987-06-17 广西平乐县化工厂 花时调节剂
CN88102396A (zh) * 1988-04-23 1988-10-26 广西植物研究所 3-脲基间二氮环茂烷二酮-2.5的生产工艺及其在农业上的用途
CN1049954A (zh) * 1989-09-05 1991-03-20 叶大华 杂交水稻繁殖制种生长调节剂
WO1994002148A1 (en) * 1992-07-22 1994-02-03 Vepex Kft. Novel bioactive compositions, preparation and use thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86106655A (zh) * 1986-10-09 1987-06-17 广西平乐县化工厂 花时调节剂
CN88102396A (zh) * 1988-04-23 1988-10-26 广西植物研究所 3-脲基间二氮环茂烷二酮-2.5的生产工艺及其在农业上的用途
CN1049954A (zh) * 1989-09-05 1991-03-20 叶大华 杂交水稻繁殖制种生长调节剂
WO1994002148A1 (en) * 1992-07-22 1994-02-03 Vepex Kft. Novel bioactive compositions, preparation and use thereof

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