CN111837841A - 一种适应热区杂交水稻的栽培方法 - Google Patents

一种适应热区杂交水稻的栽培方法 Download PDF

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CN111837841A
CN111837841A CN202010754307.6A CN202010754307A CN111837841A CN 111837841 A CN111837841 A CN 111837841A CN 202010754307 A CN202010754307 A CN 202010754307A CN 111837841 A CN111837841 A CN 111837841A
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seeds
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熊怀阳
戴扬
黄宋运
王祖明
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Hainan Guangling Hi Tech Industrial Co ltd
Hainan Guangling Agricultural Group Co Ltd
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Abstract

本发明提供一种适应热区杂交水稻的栽培方法,包括以下步骤:选种浸种、播种除草、稻田管理,本发明科学使用杂交水稻的栽培方法,能提高水稻植株的耐热性,降低高温伤害,使得稻苗的分叶能力强,水稻产量显著增加,提高水稻的品质和产量。

Description

一种适应热区杂交水稻的栽培方法
技术领域
本发明涉及农业种植领域,特别涉及一种适应热区杂交水稻的栽培方法。
背景技术
水稻是我国最主要的粮食作物,水稻的开花期极易与高温天气遭遇,特别是在南方地区,而开花期又是水稻对温度及其敏感的时期,在此时遭遇持续高温天气的胁迫,对水稻的孕穗抽穗和开花结实都会造成不利的影响,为了加快研究进度,近年来水稻的温室种植发展迅速,但是温室种植的水稻植株往往发生陡长、分叶稀少、易倒伏、穗少穗小、结实率低等,最终导致减产,严重降低水稻的产品和品质。
发明内容
鉴于此,本发明提出一种适应热区杂交水稻的栽培方法,解决上述问题。
本发明的技术方案是这样实现的:一种适应热区杂交水稻的栽培方法:包括以下步骤:
S1、选种浸种:选择成熟、饱满、无虫蛀的种子,在上午10:00~11:00至下午3:00~5:00间,进行晒种,晒后进行变温浸种,加入28~33℃的浸种液进行浸泡,浸泡5~8h后冷却至18~20℃,继续升温浸泡1~3h后使用清水清洗干净,晾干;
S2、播种:采用撒播方式,即整地后,每亩均匀撒播种子6~8斤,再用浅耕机浅耕,或直接覆盖秸秆/干草;
S3、稻田管理:稻田管理包括灌溉管理、除草管理、施肥管理,
灌溉管理:种子出苗前进行灌溉,使得水含量持水量为50~70%,幼苗期水含量持水量为70~90%,分蘖期水含量持水量为60~80%;
除草管理:每亩用60~80ml丁草胺及50~70g苄嘧丙草胺兑水喷施封闭防草,出苗30天后,每亩用40~50ml丁草胺兑水喷施;
施肥管理:在施肥过程中,按每亩8~12kg的比例施追施生长调节剂,将生长调节剂与水混合,搅拌均匀后撒落在作物根部附近的泥土;所述生长调节剂为以下重量份原料:海藻糖1~10份、壳寡糖2~4份、萘乙酸1~3份、亚硒酸钠1~3份、丁酰肼0.3~0.8份、富勒烯0.1~0.3份、聚谷氨酸0.2~0.5份。
进一步的,所述步骤S1中,晒种时间为10~15h。
进一步的,所述步骤S1中,变温浸种升温至22~28℃。
进一步的,所述步骤S1中,浸种液为S-诱抗素、己唑醇、多效唑、硝酸铈、黑蒜粉末的混合物。
进一步的,所述步骤S1中,所述浸种液和种子的体积比为80~120:1。
进一步的,所述步骤S3灌溉管理中,种子出苗前进行灌溉,使得水含量持水量为50%,幼苗期水含量持水量为80%,分蘖期水含量持水量为70%。
进一步的,所述步骤S3施肥管理中,生长调节剂与水以1:150~1:230的比例混合。
进一步的,所述步骤S3生长调节剂为以下重量份原料:海藻糖6份、壳寡糖3份、萘乙酸2份、亚硒酸钠2份、丁酰肼0.5份、富勒烯0.2份、聚谷氨酸0.3份。
与现有技术相比,本发明的有益效果是:
本发明科学使用杂交水稻的栽培方法,能提高水稻植株的耐热性,降低高温伤害,使得稻苗的分叶能力强,水稻产量显著增加,提高水稻的品质和产量;其中,将水稻种子进行变温浸泡,控制温度和时间,催化种子发芽,提高水稻在热区种植下能具有良好的耐热性;科学配置生长调节剂,在施肥过程中,追施调节剂,能防御高温带来的伤害,喷施后稻苗气孔导度减小,蒸腾速率降低,水势保持,使得稻苗的分叶能力强,可以使水稻降低叶片丙二醛含量,增加干物质积累,促进灌浆,利于热区条件下稻苗根系能吸收更多的养分和水分,对水稻穗数、结实率与有效穗表现出增加的趋势,水稻产量显著增加。
具体实施方式
为了更好理解本发明技术内容,下面提供具体实施例,对本发明做进一步的说明。
本发明实施例所用的实验方法如无特殊说明,均为常规方法。
本发明实施例所用的材料、试剂等,如无特殊说明,均可从商业途径得到。
实施例1
选择7、8月份,在海南陵水稻田地种植,栽培方法:包括以下步骤:
S1、选种浸种:选择富洲2号成熟、饱满、无虫蛀的种子,在上午10:00~11:00至下午3:00~5:00间,进行晒种,晒10h后进行变温浸种,加入28℃的浸种液进行浸泡,浸种液和种子的体积比为80:1,浸泡5h后冷却至18℃,继续升温22℃浸泡1h后使用清水清洗干净,晾干,所述浸种液为S-诱抗素、己唑醇、多效唑、硝酸铈、黑蒜粉末的混合物;
S2、播种:采用撒播方式,即整地后,每亩均匀撒播种子6斤,再用浅耕机浅耕,或直接覆盖秸秆/干草;
S3、稻田管理:稻田管理包括灌溉管理、除草管理、施肥管理,
灌溉管理:种子出苗前进行灌溉,使得水含量持水量为50%,幼苗期水含量持水量为70%,分蘖期水含量持水量为60%;
除草管理:每亩用60ml丁草胺及50g苄嘧丙草胺兑水喷施封闭防草,出苗30天后,用40ml丁草胺兑水喷施;
施肥管理:在施肥过程中,按每亩8kg的比例施追施生长调节剂,将生长调节剂与水以1:150的比例混合,搅拌均匀后撒落在作物根部附近的泥土;所述生长调节剂为以下重量份原料:海藻糖1份、壳寡糖2份、萘乙酸1份、亚硒酸钠1份、丁酰肼0.3份、富勒烯0.1份、聚谷氨酸0.2份。
实施例2
选择7、8月份,在海南陵水稻田地种植,栽培方法:包括以下步骤:
S1、选种浸种:选择美香占2号成熟、饱满、无虫蛀的种子,在上午10:00~11:00至下午3:00~5:00间,进行晒种,晒15h后进行变温浸种,加入33℃的浸种液进行浸泡,浸种液和种子的体积比为120:1,浸泡8h后冷却至20℃,继续升温28℃浸泡3h后使用清水清洗干净,晾干,所述浸种液为S-诱抗素、己唑醇、多效唑、硝酸铈、黑蒜粉末的混合物;
S2、播种:采用撒播方式,即整地后,每亩均匀撒播种子8斤,再用浅耕机浅耕,或直接覆盖秸秆/干草;
S3、稻田管理:稻田管理包括灌溉管理、除草管理、施肥管理,
灌溉管理:种子出苗前进行灌溉,使得水含量持水量为70%,幼苗期水含量持水量为90%,分蘖期水含量持水量为80%;
除草管理:每亩用80ml丁草胺及70g苄嘧丙草胺兑水喷施封闭防草,出苗30天后,每亩用50ml丁草胺兑水喷施;
施肥管理:在施肥过程中,按每亩12kg的比例施追施生长调节剂,将生长调节剂与水以1:230的比例混合,搅拌均匀后撒落在作物根部附近的泥土;所述生长调节剂为以下重量份原料:海藻糖10份、壳寡糖4份、萘乙酸3份、亚硒酸钠3份、丁酰肼0.8份、富勒烯0.3份、聚谷氨酸0.5份。
实施例3
选择7、8月份,在海南陵水稻田地种植,栽培方法:包括以下步骤:
S1、选种浸种:选择富洲2号成熟、饱满、无虫蛀的种子,在上午10:00~11:00至下午3:00~5:00间,进行晒种,晒10~15h后进行变温浸种,加入30℃的浸种液进行浸泡,浸种液和种子的体积比为100:1浸泡6h后冷却至20℃,继续升温25℃浸泡2h后使用清水清洗干净,晾干,所述浸种液为S-诱抗素、己唑醇、多效唑、硝酸铈、黑蒜粉末的混合物;
S2、播种:采用撒播方式,即整地后,每亩均匀撒播种子7斤,再用浅耕机浅耕,或直接覆盖秸秆/干草;
S3、稻田管理:稻田管理包括灌溉管理、除草管理、施肥管理,
灌溉管理:种子出苗前进行灌溉,使得水含量持水量为60%,幼苗期水含量持水量为80%,分蘖期水含量持水量为70%;
除草管理:每亩用70ml丁草胺及60g苄嘧丙草胺兑水喷施封闭防草,出苗30天后,每亩用45ml丁草胺兑水喷施;
施肥管理:在施肥过程中,按每亩10kg的比例施追施生长调节剂,将生长调节剂与水以1:150~1:230的比例混合,搅拌均匀后撒落在作物根部附近的泥土;所述生长调节剂为以下重量份原料:海藻糖6份、壳寡糖3份、萘乙酸2份、亚硒酸钠2份、丁酰肼0.5份、富勒烯0.2份、聚谷氨酸0.3份。
实施例4
本实施例和实施例3的区别在于,所述步骤S1选种浸种中,变温浸种升温至30℃。
实施例5
本实施例和实施例3的区别在于,所述步骤S3施肥管理中,生长调节剂与水以1:150~1:230的比例混合。
对比例1
本对比例与实施例3的区别在于,所述步骤S1选种浸种中,浸种液温度为25℃。
对比例2
本对比例与实施例3的区别在于,所述步骤S3施肥管理中,生长调节剂为以下重量份原料:海藻糖12份、壳寡糖5份、萘乙酸5份、亚硒酸钠4份、丁酰肼1份、富勒烯0.1份、聚谷氨酸0.1份。
对比例3
本对比例与实施例3的区别在于,所述步骤S3施肥管理中,在施肥过程中,按每亩15kg的比例施追施生长调节剂。
一、验证测试
将上述实施例1~5和对比例1~3的栽培方法进行栽培,所获得的水稻株高、有效穗、穗长、穗实粒数、结实率、产量进行测定,测定结果如下:
Figure BDA0002611038270000051
Figure BDA0002611038270000061
由上表可知,本发明实施例1~5的栽培方法较对比例1,采用变温浸种,控制浸种温度,能有效促进种子的发芽,实施例1~5和对比例2比较,追施本发明的生长调,提高水稻的抗旱和抗热性能,实施例1~5和对比例3比较,合理调配生长调节剂的喷施量,利于水稻的生长,提高产量;实施例1~3和实施例4比较,浸种的温度对水稻种子的发芽效果起到一定的积极效果;实施例1~3和实施例5比较,生长调节剂和水的混合比例,会影响调节剂的性能效果,而合理的配比下,能提高水稻植株的耐热性,降低高温伤害,使得稻苗的分叶能力强,水稻产量显著增加,提高水稻的品质和产量。
以上所述仅为本发明的较佳实施例而已,并不用以限制本发明,凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。

Claims (8)

1.一种适应热区杂交水稻的栽培方法,其特征在于:包括以下步骤:
S1、选种浸种:选择成熟、饱满、无虫蛀的种子,在上午10:00~11:00至下午3:00~5:00间,进行晒种,晒后进行变温浸种,加入28~33℃的浸种液进行浸泡,浸泡5~8h后冷却至18~20℃,继续升温浸泡1~3h后使用清水清洗干净,晾干;
S2、播种:采用撒播方式,即整地后,每亩均匀撒播种子6~8斤,再用浅耕机浅耕,或直接覆盖秸秆/干草;
S3、稻田管理:稻田管理包括灌溉管理、除草管理、施肥管理;
灌溉管理:种子出苗前进行灌溉,使得水含量持水量为50~70%,幼苗期水含量持水量为70~90%,分蘖期水含量持水量为60~80%;
除草管理:每亩用60~80ml丁草胺及50~70g苄嘧丙草胺兑水喷施封闭防草,出苗30天后,每亩用40~50ml丁草胺兑水喷施;
施肥管理:在施肥过程中,按每亩8~12kg的比例施追施生长调节剂,将生长调节剂与水混合,搅拌均匀后撒落在作物根部附近的泥土;所述生长调节剂为以下重量份原料:海藻糖1~10份、壳寡糖2~4份、萘乙酸1~3份、亚硒酸钠1~3份、丁酰肼0.3~0.8份、富勒烯0.1~0.3份、聚谷氨酸0.2~0.5份。
2.如权利要求1所述的一种适应热区杂交水稻的栽培方法,其特征在于:所述步骤S1中,晒种时间为10~15h。
3.如权利要求1所述的一种适应热区杂交水稻的栽培方法,其特征在于:所述步骤S1中,变温浸种升温至22~28℃。
4.如权利要求1所述的一种适应热区杂交水稻的栽培方法,其特征在于:所述步骤S1中,浸种液为S-诱抗素、己唑醇、多效唑、硝酸铈、黑蒜粉末的混合物。
5.如权利要求1所述的一种适应热区杂交水稻的栽培方法,其特征在于:所述步骤S1中,所述浸种液和种子的体积比为80~120:1。
6.如权利要求1所述的一种适应热区杂交水稻的栽培方法,其特征在于:所述步骤S3灌溉管理中,种子出苗前进行灌溉,使得水含量持水量为50%,幼苗期水含量持水量为80%,分蘖期水含量持水量为70%。
7.如权利要求1所述的一种适应热区杂交水稻的栽培方法,其特征在于:所述步骤S3施肥管理中,生长调节剂与水以1:150~1:230的比例混合。
8.如权利要求1所述的一种适应热区杂交水稻的栽培方法,其特征在于:所述步骤S3生长调节剂为以下重量份原料:海藻糖6份、壳寡糖3份、萘乙酸2份、亚硒酸钠2份、丁酰肼0.5份、富勒烯0.2份、聚谷氨酸0.3份。
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