同步开沟起垄精量穴直播对南方双季籼稻产量和稻米品质的影响

S233.71; 为了明确不同直播方式对早晚兼用双季籼稻产量和稻米品质的影响,该研究以常规早籼稻湘早籼45号和杂交晚籼稻泰优398为材料,进行早晚双季直播种植,比较人工撒直播(AS)和同步开沟起垄精量穴直播(PHDD)对早晚兼用双季直播稻出苗、产量和稻米品质的影响.结果表明,与AS相比,PHDD显著提高供试品种的出苗率,早晚季增幅分别为7.4％～14.2％和6.9％～8.0％;PHDD有利于提高供试品种周年产量,2个品种的增产幅度为3.23％～21.66％,其中湘早籼45号早晚2季增产均显著,泰优398为晚季增产显著;从产量构成因素来看,PHDD下供试品种的产量提高主要与有效穗数、每穗粒数有关...

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Published in农业工程学报 Vol. 37; no. 1; pp. 28 - 35
Main Authors 陈丽明, 王文霞, 熊若愚, 解嘉鑫, 吴自明, 谭雪明, 曾勇军, 陈雄飞, 石庆华, 潘晓华, 曾研华
Format Journal Article
LanguageChinese
Published 江西农业大学/作物生理生态与遗传育种教育部重点实验室/江西省作物生理生态与遗传育种重点实验室/双季稻现代化生产协同创新中心,南昌 330045 2021
Subjects
机械化
稻米品质
产量
水稻
直播方式
种植
Online AccessGet full text
ISSN1002-6819
DOI10.11975/j.issn.1002-6819.2021.01.004

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Abstract S233.71; 为了明确不同直播方式对早晚兼用双季籼稻产量和稻米品质的影响,该研究以常规早籼稻湘早籼45号和杂交晚籼稻泰优398为材料,进行早晚双季直播种植,比较人工撒直播(AS)和同步开沟起垄精量穴直播(PHDD)对早晚兼用双季直播稻出苗、产量和稻米品质的影响.结果表明,与AS相比,PHDD显著提高供试品种的出苗率,早晚季增幅分别为7.4％～14.2％和6.9％～8.0％;PHDD有利于提高供试品种周年产量,2个品种的增产幅度为3.23％～21.66％,其中湘早籼45号早晚2季增产均显著,泰优398为晚季增产显著;从产量构成因素来看,PHDD下供试品种的产量提高主要与有效穗数、每穗粒数有关;PHDD显著提高湘早籼45号早季的精米率、整精米率和垩白度以及泰优398晚季的垩白粒率,显著降低泰优398早季的整精米率及湘早籼45号晚季的垩白粒率、垩白度和蛋白质含量,直链淀粉含量无显著差异;PHDD显著提高泰优398晚季米粉的峰值黏度、热浆黏度、崩解值和最终黏度,显著降低糊化温度.总体来说,PHDD有利于提高优质水稻品种周年产量,主要与穗粒数协调有关,增产途径因品种和季节而异,同时显著改善湘早籼45号早季加工品质及晚季外观品质,降低泰优398的早季加工品质及晚季外观品质,但改善其晚季蒸煮食味品质,PHDD下晚季直播稻稻米品质改善明显.研究结果可为南方双季直播籼稻优质丰产栽培提供理论依据.
AbstractList S233.71; 为了明确不同直播方式对早晚兼用双季籼稻产量和稻米品质的影响,该研究以常规早籼稻湘早籼45号和杂交晚籼稻泰优398为材料,进行早晚双季直播种植,比较人工撒直播(AS)和同步开沟起垄精量穴直播(PHDD)对早晚兼用双季直播稻出苗、产量和稻米品质的影响.结果表明,与AS相比,PHDD显著提高供试品种的出苗率,早晚季增幅分别为7.4％～14.2％和6.9％～8.0％;PHDD有利于提高供试品种周年产量,2个品种的增产幅度为3.23％～21.66％,其中湘早籼45号早晚2季增产均显著,泰优398为晚季增产显著;从产量构成因素来看,PHDD下供试品种的产量提高主要与有效穗数、每穗粒数有关;PHDD显著提高湘早籼45号早季的精米率、整精米率和垩白度以及泰优398晚季的垩白粒率,显著降低泰优398早季的整精米率及湘早籼45号晚季的垩白粒率、垩白度和蛋白质含量,直链淀粉含量无显著差异;PHDD显著提高泰优398晚季米粉的峰值黏度、热浆黏度、崩解值和最终黏度,显著降低糊化温度.总体来说,PHDD有利于提高优质水稻品种周年产量,主要与穗粒数协调有关,增产途径因品种和季节而异,同时显著改善湘早籼45号早季加工品质及晚季外观品质,降低泰优398的早季加工品质及晚季外观品质,但改善其晚季蒸煮食味品质,PHDD下晚季直播稻稻米品质改善明显.研究结果可为南方双季直播籼稻优质丰产栽培提供理论依据.
Author 谭雪明
吴自明
陈雄飞
熊若愚
解嘉鑫
石庆华
陈丽明
曾研华
王文霞
潘晓华
曾勇军
AuthorAffiliation 江西农业大学/作物生理生态与遗传育种教育部重点实验室/江西省作物生理生态与遗传育种重点实验室/双季稻现代化生产协同创新中心,南昌 330045
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Author_FL Chen Liming
Wang Wenxia
Shi Qinghua
Zeng Yongjun
Wu Ziming
Tan Xueming
Pan Xiaohua
Zeng Yanhua
Xie Jiaxin
Xiong Ruoyu
Chen Xiongfei
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稻米品质
产量
水稻
直播方式
种植
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Title 同步开沟起垄精量穴直播对南方双季籼稻产量和稻米品质的影响
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