甬优系列籼粳杂交稻中熟高产品系的株型特征

doi:10.16819/j.1001-7216.2016.5135

中国水稻科学 ›› 2016, Vol. 30 ›› Issue (2): 170-180.DOI: 10.16819/j.1001-7216.2016.5135

甬优系列籼粳杂交稻中熟高产品系的株型特征

孟天瑶¹, 李晓芸¹, 李超¹, 韦还和¹, 史天宇¹, 马荣荣², 王晓燕³, 杨筠文⁴, 戴其根^1,^*(), 张洪程^1,^*()

¹扬州大学农业部长江流域稻作技术创新中心/江苏省作物遗传生理重点实验室, 江苏扬州 225009
²浙江省宁波市农业科学院作物研究所, 浙江宁波 315101
³浙江省宁波市种子公司, 浙江宁波315101
⁴浙江省宁波市鄞州区农业技术服务站,浙江宁波 315100

收稿日期:2015-09-14 修回日期:2015-10-29 出版日期:2016-03-10 发布日期:2016-03-10
通讯作者: 戴其根,张洪程
基金资助:
农业部超级稻专项(02318802013231);国家公益性行业(农业)科研专项(201303102);宁波市重大科技资助项目(2013C11001);江苏省重点研发项目(BE2015340)

Plant-type Characteristics of High-Yielding Lines of Yongyou japonica/indica Hybrid Rice with Medium Maturity

Tian-yao MENG¹, Xiao-yun LI¹, Chao LI¹, Huan-he WEI¹, Tian-yu SHI¹, Rong-rong MA², Xiao-yan WANG³, Jun-wen YANG⁴, Qi-gen DAI^1,^*(), Hong-cheng ZHANG^1,^*()

¹ Innovation Center of Rice Cultivation Technology in Yangtze River Valley, Ministry of Agriculture / Key Laboratory of Crop Genetics and Physiology of Jiangsu Province, Yangzhou University, Yangzhou 225009, China
²Crop Research Institute, Ningbo Academy of Agricultural Sciences of Zhejiang Province, Ningbo 315101, China
³Ningbo Seed Company of Zhejiang Province, Ningbo 315101, China
⁴Yinzhou District Agricultural Technology Service Station, Ningbo 315100, China

Received:2015-09-14 Revised:2015-10-29 Online:2016-03-10 Published:2016-03-10
Contact: Qi-gen DAI, Hong-cheng ZHANG

摘要/Abstract

摘要：

以甬优系列籼粳杂交稻中熟类型品系为试材,常规粳稻宁粳3号和武运粳29、杂交籼稻丰两优香1号和新两优6380为对照,比较各类型在穗部特征、叶片形态以及茎秆特性上的差异。结果表明,1)依据甬优系列籼粳杂交稻两年中的产量表现,将其分成高产品系(产量>10.5 t/hm²)和中产品系(产量<10.5 t/hm²)。两年中,甬优系列籼粳杂交稻高产品系为甬优2638、甬优2640、甬优1610、甬优1612和甬优1640,中产品系为甬优1851、甬优1852、甬优7753、甬优1763和甬优 5854。产量构成因素方面,不同类型品种单株穗数、结实率和千粒重以常规粳稻最高,每穗粒数以高产品系最高。2)穗长以杂交籼稻最高,单穗重和着粒密度以高产品系最高;除穗下部二次枝粳籽粒数以杂交籼稻最高外,穗部其余5部位籽粒数均以高产品系、中产品系显著高于常规粳稻和杂交籼稻,且籽粒数以上部二次枝粳和中部二次枝粳的增加最为明显。3)上三叶的叶长和叶宽为中产品系>杂交籼稻>高产品系>常规粳稻,高产品系上三叶的卷曲率高于对应的中产品系;上部第1、2叶的叶基角和披垂角以高产品系最低。4)高产品系株高为118.7cm,高于常规粳稻(96.6cm),低于杂交籼稻(132.9cm)和中产品系(144.1cm);上部第1、2、3节间长度以中产品系最高、常规粳稻最低;穗长与穗下节间长占株高比例、穗下节间占秆长比例均以高产品系最低。单茎干质量、单茎鞘干质量、茎秆单位节间干质量以高产品系最高。提出了甬优籼粳交中熟高产品系的株型选育指标及配套高产栽培措施。

关键词: 中熟, 甬优, 高产, 穗部特征, 株型, 水稻

Abstract:

A field experiment was conducted using Yongyou japonica/indica hybrids with medium maturity as material, conventional japonica rice (CJR) Ningjing 3 and Wuyunjing 29, hybrid indica rice (HIR) Fengliangyouxiang 1 and Xinliangyou 6380 as the check. Differences in panicle, leaf, and culm traits of various rice types were compared. The results were follows: 1) Yongyou japonica/indica hybrids were divided into two types:high-yielding lines (HYL,over 10.5t/hm²) and medium-yielding lines (MYL,less than 10.5t/hm²) based on yield performance. HYL includes Yongyou 2638, Yongyou 2640, Yongyou 1610, Yongyou 1612, and Yongyou 1640, while MYL includes Yongyou 1851, Yongyou 1852, Yongyou 1763, Yongyou 7753, and Yongyou 5854. CJR had the highest number of panicles, seed-setting rate, and 1000-grain weight, while HYL had the highest spikelet number per panicle. 2) HIR had the longest panicle length, while HYL had the highest grain weight per panicle and grain density. HIR had the highest number of spikelets on the low secondary rachis branches,while HYL and MYL had the highest number of spikelets in other panicle positions, especially on the upper secondary rachis branches and the middle secondary rachis branches of panicle. 3) Leaf length and width of the top-three leaves followed a tendency of MYL>HIR>HYL>CJR. HYL had consistently higher rolling rate of top-three leaves than MYL. HYL had the lowest leaf basic angle and dropping angle of the 1^st and 2^ndleaf from the top. 4) Plant height of HYL was 118.7 cm, higher than CJR (96.6 cm), shorter than HIR (132.9 cm) and MYL (144.1 cm). MYL had the highest length of top-three nodes, while CJR showed the opposite. HYL had the lowest rate of panicle and neck internode to plant height and rate of neck internode to stalk length, while HYL had the highest dry weight per stem, dry weight per sheath, and dry weight per unit internode among different rice types. Breeding index on plant-type characteristics of high-yielding lines of Yongyou japonica/indica hybrid rice with medium maturity and corresponding cultivation methods were proposed.

Key words: medium-maturity, Yongyou, high-yielding, panicle traits, plant type, rice

中图分类号:

S511.01

孟天瑶, 李晓芸, 李超, 韦还和, 史天宇, 马荣荣, 王晓燕, 杨筠文, 戴其根, 张洪程. 甬优系列籼粳杂交稻中熟高产品系的株型特征[J]. 中国水稻科学, 2016, 30(2): 170-180.

Tian-yao MENG, Xiao-yun LI, Chao LI, Huan-he WEI, Tian-yu SHI, Rong-rong MA, Xiao-yan WANG, Jun-wen YANG, Qi-gen DAI, Hong-cheng ZHANG. Plant-type Characteristics of High-Yielding Lines of Yongyou japonica/indica Hybrid Rice with Medium Maturity[J]. Chinese Journal OF Rice Science, 2016, 30(2): 170-180.

图/表 9

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月份 Month	平均温度 Mean temperature/℃			日照时数 Sunshine hours/h			降雨量 Rainfall/mm
月份 Month	2013		2014		2013	2014	2013	2014
5月May	22.2	21.7	192.4	139.1		73.6		144.8
6月June	24.9	23.9	100.6	90.2		324.2		186.1
7月July	31.5	28.5	338.3	195.3		69.3		149.9
8月August	30.7	27.6	263.1	173.1		251.6		326.2
9月September	25.5	25.2	223.8	165.2		32.9		53.2
10月October	19.9	20.7	161.3	150.7		424.0		371.4
11月November	13.8	15.4	178.3	163.9		42.6		54.7

月份 Month	平均温度 Mean temperature/℃			日照时数 Sunshine hours/h			降雨量 Rainfall/mm
月份 Month	2013		2014		2013	2014	2013	2014
5月May	22.2	21.7	192.4	139.1		73.6		144.8
6月June	24.9	23.9	100.6	90.2		324.2		186.1
7月July	31.5	28.5	338.3	195.3		69.3		149.9
8月August	30.7	27.6	263.1	173.1		251.6		326.2
9月September	25.5	25.2	223.8	165.2		32.9		53.2
10月October	19.9	20.7	161.3	150.7		424.0		371.4
11月November	13.8	15.4	178.3	163.9		42.6		54.7

年份、品种和类型 Year, variety and type	单位面积穗数 No. of panicles /(×10⁴ hm^-2)	每穗粒数 Spikelet number per panicle	结实率 Seed-setting rate/%	千粒重 1000-grain weight /g	实际产量 Actual yield /(t·hm^-2)
2013
高产品系HYL	204.0	328.7	82.9	21.5	11.7
甬优2638 Yongyou 2638	196.5	337.7	81.6	22.4	11.1
甬优1610 Yongyou 1610	223.5	311.9	82.6	21.3	10.9
甬优1640 Yongyou 1640	213.0	301.6	80.5	22.4	10.8
甬优1612 Yongyou 1612	207.0	323.5	83.4	22.1	11.1
平均 Mean	208.8±10.9 b	320.7±23.7 a	82.2±1.5 c	21.9±0.5 c	11.1±0.3 a
中产品系 MYL
甬优1851 Yongyou 1851	220.5	301.6	78.3	20.9	10.2
甬优1852 Yongyou 1852	193.5	309.1	80.4	22.7	10.2
甬优5854 Yongyou 5854	198.0	294.5	76.5	23.3	9.8
甬优1763 Yongyou 1763	183.0	317.5	78.4	23.4	10.1
甬优7753 Yongyou 7753	193.5	336.3	79.2	20.7	10.3
平均 Mean	197.7±13.5 c	311.8±18.2 ab	78.6±1.5 d	22.2±1.2 c	10.1±0.2 b
常规粳稻 CJR
武运粳30 Wuyunjing 30	289.5	159.2	89.3	25.9	10.0
宁粳3号 Ningjing 3	310.5	136.7	90.2	26.2	9.8
平均 Mean	300.0±12.8 a	148.0±14.6 c	89.8±0.9 a	26.1±0.3 a	9.9±0.1 c
杂交籼稻 HIR
新两优6380 Xinliangyou 6380	207.0	205.9	88.1	25.2	9.2
丰两优香1号 Fengliangyouxiang 1	202.5	217.7	89.1	24.9	9.4
平均 Mean	204.8±6.2 b	211.8±12.3 b	88.6±0.7 b	25.1±0.4 b	9.3±0.1 d
2014
高产品系 HYL
甬优2640 Yongyou 2640	214.5	285.2	85.8	22.4	11.5
甬优2638 Yongyou 2638	208.5	294.2	86.7	23.2	11.2
甬优1610 Yongyou 1610	237.0	262.7	84.7	22.1	10.8
甬优1640 Yongyou 1640	234.0	250.6	83.5	23.1	10.9
甬优1612 Yongyou 1612	225.0	268.4	84.3	23.4	10.9
平均 Mean	223.8±12.6 b	272.2±19.1 a	85.0±1.3 b	22.8±0.6 c	11.0±0.3 a
中产品系MYL
甬优1851 Yongyou 1851	234.0	253.1	82.1	21.7	10.0
甬优1852 Yongyou 1852	205.5	264.2	83.2	24.0	10.2
甬优5854 Yongyou 5854	216.0	243.7	83.5	24.1	10.1
甬优1763 Yongyou 1763	204.0	263.6	83.7	24.2	10.0
甬优7753 Yongyou 7753	210.0	294.1	82.5	21.8	10.3
平均 Mean	213.9±12.6 c	263.7±21.5 a	83.0±1.2 c	23.2±1.3 c	10.1±0.1 b
常规粳稻 CJR
武运粳30 Wuyunjing 30	301.5	144.3	90.5	26.8	9.9
宁粳3号 Ningjing 3	328.5	127.0	91.1	27.1	9.7
平均 Mean	315.0±17.3 a	135.7±12.3 c	90.8±0.3 a	27.0±0.2 a	9.8±0.1 c
杂交籼稻 HIR
新两优6380 Xinliangyou 6380	216.0	190.5	89.9	26.3	9.1
丰两优香1号 Fengliangyouxiang 1	219.0	194.8	90.5	25.7	9.3
平均 Mean	217.5±4.5 b	192.7±9.7 b	90.2±0.6 ab	26.0±0.4 b	9.2±0.1 d

年份、品种和类型 Year, variety and type	单位面积穗数 No. of panicles /(×10⁴ hm^-2)	每穗粒数 Spikelet number per panicle	结实率 Seed-setting rate/%	千粒重 1000-grain weight /g	实际产量 Actual yield /(t·hm^-2)
2013
高产品系HYL	204.0	328.7	82.9	21.5	11.7
甬优2638 Yongyou 2638	196.5	337.7	81.6	22.4	11.1
甬优1610 Yongyou 1610	223.5	311.9	82.6	21.3	10.9
甬优1640 Yongyou 1640	213.0	301.6	80.5	22.4	10.8
甬优1612 Yongyou 1612	207.0	323.5	83.4	22.1	11.1
平均 Mean	208.8±10.9 b	320.7±23.7 a	82.2±1.5 c	21.9±0.5 c	11.1±0.3 a
中产品系 MYL
甬优1851 Yongyou 1851	220.5	301.6	78.3	20.9	10.2
甬优1852 Yongyou 1852	193.5	309.1	80.4	22.7	10.2
甬优5854 Yongyou 5854	198.0	294.5	76.5	23.3	9.8
甬优1763 Yongyou 1763	183.0	317.5	78.4	23.4	10.1
甬优7753 Yongyou 7753	193.5	336.3	79.2	20.7	10.3
平均 Mean	197.7±13.5 c	311.8±18.2 ab	78.6±1.5 d	22.2±1.2 c	10.1±0.2 b
常规粳稻 CJR
武运粳30 Wuyunjing 30	289.5	159.2	89.3	25.9	10.0
宁粳3号 Ningjing 3	310.5	136.7	90.2	26.2	9.8
平均 Mean	300.0±12.8 a	148.0±14.6 c	89.8±0.9 a	26.1±0.3 a	9.9±0.1 c
杂交籼稻 HIR
新两优6380 Xinliangyou 6380	207.0	205.9	88.1	25.2	9.2
丰两优香1号 Fengliangyouxiang 1	202.5	217.7	89.1	24.9	9.4
平均 Mean	204.8±6.2 b	211.8±12.3 b	88.6±0.7 b	25.1±0.4 b	9.3±0.1 d
2014
高产品系 HYL
甬优2640 Yongyou 2640	214.5	285.2	85.8	22.4	11.5
甬优2638 Yongyou 2638	208.5	294.2	86.7	23.2	11.2
甬优1610 Yongyou 1610	237.0	262.7	84.7	22.1	10.8
甬优1640 Yongyou 1640	234.0	250.6	83.5	23.1	10.9
甬优1612 Yongyou 1612	225.0	268.4	84.3	23.4	10.9
平均 Mean	223.8±12.6 b	272.2±19.1 a	85.0±1.3 b	22.8±0.6 c	11.0±0.3 a
中产品系MYL
甬优1851 Yongyou 1851	234.0	253.1	82.1	21.7	10.0
甬优1852 Yongyou 1852	205.5	264.2	83.2	24.0	10.2
甬优5854 Yongyou 5854	216.0	243.7	83.5	24.1	10.1
甬优1763 Yongyou 1763	204.0	263.6	83.7	24.2	10.0
甬优7753 Yongyou 7753	210.0	294.1	82.5	21.8	10.3
平均 Mean	213.9±12.6 c	263.7±21.5 a	83.0±1.2 c	23.2±1.3 c	10.1±0.1 b
常规粳稻 CJR
武运粳30 Wuyunjing 30	301.5	144.3	90.5	26.8	9.9
宁粳3号 Ningjing 3	328.5	127.0	91.1	27.1	9.7
平均 Mean	315.0±17.3 a	135.7±12.3 c	90.8±0.3 a	27.0±0.2 a	9.8±0.1 c
杂交籼稻 HIR
新两优6380 Xinliangyou 6380	216.0	190.5	89.9	26.3	9.1
丰两优香1号 Fengliangyouxiang 1	219.0	194.8	90.5	25.7	9.3
平均 Mean	217.5±4.5 b	192.7±9.7 b	90.2±0.6 ab	26.0±0.4 b	9.2±0.1 d

品种与类型 Variety and type	穗长 PL/cm	单穗重 GWPP/g	着粒密度 GD	上部一次枝粳籽粒数 NGUP	上部二次枝粳籽粒数 NGUS	中部一次枝粳籽粒数 NGMP	中部二次枝粳籽粒数 NGMS	下部一次枝粳籽粒数 NGLP	下部二次枝粳籽粒数 NGLS
高产品系 HYL
甬优2640 Yongyou 2640	22.3	6.0	12.8	29.2	93.8	27.0	78.8	27.4	28.9
甬优2638 Yongyou 2638	22.0	5.9	13.4	34.9	78.0	36.2	78.4	35.7	30.9
甬优1610 Yongyou 1610	20.4	5.7	12.9	25.4	86.4	24.9	77.7	25.3	23.0
甬优1640 Yongyou 1640	19.9	5.8	12.6	29.7	63.8	33.1	66.8	30.4	26.7
甬优1612 Yongyou 1612	19.6	5.8	13.7	28.9	77.5	29.3	75.5	29.2	28.0
平均 Mean	20.8±1.3 c	5.8±0.2 a	13.1±0.6 a	29.6±3.5 a	79.9±10.9 a	30.1±5.0 a	75.4±7.3 a	29.6±3.7 a	27.5±3.2 ab
中产品系 MYL
甬优1851 Yongyou 1851	22.4	5.1	11.3	24.5	76.7	25.7	74.9	24.4	27.0
甬优1852 Yongyou 1852	21.7	5.3	12.2	29.6	69.7	32.5	73.1	32.1	27.2
甬优5854 Yongyou 5854	23.7	5.1	10.3	26.2	70.4	26.6	68.5	26.5	25.4
甬优1763 Yongyou 1763	22.5	5.3	11.7	27.0	82.8	25.0	78.0	25.4	25.4
甬优7753 Yongyou 7753	23.7	5.3	12.4	34.9	73.2	36.2	78.4	35.7	35.7
平均 Mean	22.8±1.2 b	5.2±0.2 b	11.6±0.8 b	28.5±3.9 a	74.6±5.5 a	29.2±4.8 a	74.6±4.2 a	28.8±4.7 a	28.2±4.2 a
常规粳稻CJR
武运粳30 Wuyunjing 30	16.6	3.5	8.7	23.4	13.0	23.7	33.5	23.7	27.0
宁粳3号 Ningjing 3	17.4	3.1	7.3	20.8	11.6	22.5	32.5	20.1	19.4
平均 Mean	17.0±1.1 d	3.3±0.4 d	8.0±0.8 c	22.1±1.6 b	12.3±1.0 c	23.1±1.1 b	33.0±0.8 c	21.9±2.3 b	23.2±4.5 b
杂交籼稻HIR
新两优6380 Xinliangyou 6380	23.2	4.5	8.2	21.1	40.8	22.5	55.4	23.6	27.1
丰两优香1号 Fengliangyouxiang 1	24.7	4.5	7.9	18.6	49.3	20.7	54.7	20.9	30.5
平均 Mean	23.9±1.1 a	4.5±.0.2 c	8.1±0.2 c	19.9±1.6 b	45.1±5.1 b	21.6±1.6 b	55.0±1.0 b	22.2±2.2 b	28.8±2.2 a

甬优系列籼粳杂交稻中熟高产品系的株型特征

Plant-type Characteristics of High-Yielding Lines of Yongyou japonica/indica Hybrid Rice with Medium Maturity

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Metrics

品种与类型 Variety and type	剑叶 Flag leaf				倒2叶 Second leaf from top				倒3叶 Third leaf from top
品种与类型 Variety and type	叶长 Length /cm				叶宽 Width/cm	卷曲率 Rolling rate	叶长 Length/cm	叶宽 Width/cm	卷曲率 Rolling rate	叶长 Length/cm	叶宽 Width/cm	卷曲率 Rolling rate
高产品系 HYL
甬优2640 Yongyou 2640	33.8	2.3	1.58	43.6	2.1	1.26		45.5		1.9	1.14
甬优2638 Yongyou 2638	26.1	2.3	1.62	36.4	2.2	1.35		38.1		2.0	1.20
甬优1610 Yongyou 1610	28.9	2.4	1.54	40.8	2.2	1.29		42.1		2.0	1.19
甬优1640 Yongyou 1640	30.3	2.2	1.66	41.6	2.0	1.34		42.8		1.8	1.21
甬优1612 Yongyou 1612	32.1	2.3	1.72	44.5	2.0	1.41		45.2		1.8	1.25
平均 Mean	30.2±2.9 c	2.3±0.1 b	1.62±0.1	41.4±3.7 c	2.1±0.2 b	1.33±0.1		42.7±2.9 c		1.9±0.2 b	1.20±0.2
中产品系 MYL
甬优1851 Yongyou 1851	42.5	2.7	1.48	53.4	2.4	1.22		54.5		2.2	1.12
甬优1852 Yongyou 1852	43.2	2.6	1.52	54.7	2.2	1.23		56.4		2.1	1.11
甬优5854 Yongyou 5854	41.3	2.8	1.43	57.4	2.5	1.17		59.3		2.2	1.09
甬优1763 Yongyou 1763	47.0	2.6	1.52	58.5	2.2	1.27		60.6		2.0	1.14
甬优7753 Yongyou 7753	48.9	2.7	1.45	61.0	2.3	1.15		62.8		2.0	1.07
平均 Mean	44.6±3.1 a	2.7±0.2 a	1.48±0.1	57.0±2.9 a	2.3±0.2 a	1.21±0.1		58.7±3.3 a		2.1±0.1 a	1.11±0.1
常规粳稻CJR
武运粳30 Wuyunjing 30	22.8	1.5	0.00	30.9	1.4	0.00		31.6		1.3	0.00
宁粳3号 Ningjing 3	23.0	1.6	0.00	31.2	1.5	0.00		32.4		1.4	0.00
平均 Mean	22.9±1.0 d	1.6±0.1 c	0.00	31.1±0.4 d	1.5±0.1 c	0.00		32.0±0.7 d		1.4±0.1 d	0.00
杂交籼稻HIR
新两优6380 Xinliangyou 6380	42.9	2.5	0.00	51.9	2.3	0.00		55.5		1.8	0.00
丰两优香1号 Fengliangyouxiang 1	39.7	2.3	0.00	50.1	2.2	0.00		53.3		1.8	0.00
平均 Mean	41.3±1.8 b	2.4±0.1 ab	0.00	51.0±1.1 b	2.3±0.1 a	0.00		54.4±1.6 b		1.8±0.1 c	0.00

品种与类型 Variety and type	剑叶 Flag leaf			倒2叶 Second leaf from top			倒3叶 Third leaf from top
品种与类型 Variety and type	叶基角 Basic angle/°		披垂角 Dropping angle/°		叶基角 Basic angle/°	披垂角 Dropping angle/°	叶基角 Basic angle/°	披垂角 Dropping angle/°
高产品系 HYL
甬优2640 Yongyou 2640	7.5	2.4	12.2	4.0		16.1		5.4
甬优2638 Yongyou 2638	6.8	1.5	11.5	3.8		15.5		6.2
甬优1610 Yongyou 1610	8.2	1.9	11.9	4.5		16.2		5.8
甬优1640 Yongyou 1640	7.2	2.2	11.2	4.0		14.9		6.2
甬优1612 Yongyou 1612	6.5	2.0	10.8	3.7		15.2		5.8
平均 Mean	7.2±0.6 c	2.0±0.3 c	11.5±0.6 c	4.0±0.3 c		15.6±0.8 d		5.9±0.4 c
中产品系 MYL
甬优1851 Yongyou 1851	10.5	3.8	15.8	6.1		20.3		8.2
甬优1852 Yongyou 1852	11.6	4.5	16.7	7.2		21.6		10.9
甬优5854 Yongyou 5854	9.9	5.2	17.2	7.5		23.5		11.3
甬优1763 Yongyou 1763	11.4	4.1	17.4	8.3		21.5		11.7
甬优7753 Yongyou 7753	12.5	3.9	16.5	5.8		22.3		8.1
平均 Mean	11.2±1.0 a	4.3±0.6 b	16.7±0.7 a	7.0±1.0 b		21.8±1.2 b		10.0±1.7 b
常规粳稻 CJR
武运粳30 Wuyunjing 30	8.5	2.1	15.4	3.8		18.6		5.2
宁粳3号 Ningjing 3	9.1	2.3	14.8	4.2		19.2		5.8
平均 Mean	8.8±0.5 b	2.2±0.2 c	15.1±0.5 b	4.0±0.3 c		18.9±0.6 c		5.5±0.4 c
杂交籼稻 HIR
新两优6380 Xinliangyou 6380	7.7	6.1	15.2	10.6		23.7		13.4
丰两优香1号 Fengliangyouxiang 1	6.9	5.2	16.8	9.2		21.5		12.7
平均 Mean	7.3±0.5 c	5.7±0.6 a	16.0±1.1 a	9.9±1.0 a		22.6±1.5 a		13.1±0.7 a

品种与类型 Variety and type	抽穗期 Heading stage				成熟期叶面积指数 LAI at maturity
品种与类型 Variety and type	叶面积指数 LAI		上三叶叶面积指数 LAI of top-three leaves	所占比例 Rate of LAI of top-three leaves to LAI	比叶重 SLW /(mg·cm^-2)
高产品系 HYL
甬优2640 Yongyou 2640	7.1	4.2	59.2	5.2	3.7
甬优2638 Yongyou 2638	7.6	3.5	45.5	5.5	3.9
甬优1610 Yongyou 1610	7.3	4.4	60.6	5.3	3.7
甬优1640 Yongyou 1640	7.4	4.1	55.0	5.6	3.6
甬优1612 Yongyou 1612	7.3	4.2	57.7	5.4	3.6
平均 Mean	7.3±0.3 b	4.1±0.4 c	55.6±5.7 c	5.4±0.3 a	3.7±0.2 a
中产品系 MYL
甬优1851 Yongyou 1851	8.4	6.5	77.5	5.1	3.4
甬优1852 Yongyou 1852	8.1	5.5	68.3	5.0	3.2
甬优5854 Yongyou 5854	8.7	6.5	74.2	4.8	3.3
甬优1763 Yongyou 1763	8.1	5.8	71.9	5.1	3.1
甬优7753 Yongyou 7753	8.2	6.4	78.1	4.9	2.9
平均 Mean	8.3±0.3 a	6.1±0.5 a	74.0±4.1 a	5.0±0.2 b	3.2±0.2 b
常规粳稻 CJR
武运粳30 Wuyunjing 30	6.9	3.7	53.6	5.6	3.3
宁粳3号 Ningjing 3	7.2	3.9	54.2	5.6	3.4
平均 Mean	7.1±0.3 c	3.8±0.2 d	53.9±0.6 c	5.6±0.3 a	3.4±0.2 b
杂交籼稻 HIR
新两优6380 Xinliangyou 6380	8.4	5.4	64.4	4.8	2.8
丰两优香1号 Fengliangyouxiang 1	8.5	5.0	58.8	5.1	2.6
平均 Mean	8.5±0.3 a	5.2±0.3 b	61.6±3.3 b	5.0±0.3 b	2.7±0.2 c

品种与类型 Variety and type	株高 Plant height /cm	穗长 Panicle length /cm	秆长 Culm length /cm	节间长 Top internode length/cm			穗长+穗下节间长/株高 Rate of length of panicle and neck internode to plant height /%	穗下节间/秆长 Rate of neck internode to culm length /%
品种与类型 Variety and type	株高 Plant height /cm	穗长 Panicle length /cm	秆长 Culm length /cm	倒1节间 First node			倒2节间 Second node	倒3节间 Third node
高产品系HYL
甬优2640 Yongyou 2640	116.6	113.8	88.2	30.6	21.6	14.9	45.3	34.7
甬优2638 Yongyou 2638	117.9	117.8	94.8	31.6	21.0	17.4	45.4	33.3
甬优1610 Yongyou 1610	121.8	119.5	94.8	34.7	23.0	12.7	45.2	36.6
甬优1640 Yongyou 1640	119.3	116.5	92.8	34.7	21.0	17.6	45.8	37.4
甬优1612 Yongyou 1612	117.8	115.6	92.9	35.6	23.5	15.6	46.9	38.3
平均 Mean	118.7±3.3 c	116.6±2.4 c	92.7±2.7 c	33.4±2.3 c	22.0±1.3 c	15.6±2.0 c	45.7±0.9 c	36.1±2.1 d
中产品系 MYL
甬优1851 Yongyou 1851	144.9	134.6	109.2	46.2	24.2	20.1	47.3	42.3
甬优1852 Yongyou 1852	141.1	124.7	99.2	40.6	23.9	19.4	44.1	40.9
甬优5854 Yongyou 5854	151.5	142.0	112.5	47.5	25.3	21.0	47.0	42.2
甬优1763 Yongyou 1763	142.6	129.0	99.5	45.5	22.4	18.1	47.7	45.7
甬优7753 Yongyou 7753	140.6	128.8	97.3	45.3	25.2	18.4	49.1	46.5
平均 Mean	144.1±4.3 a	131.8±6.4 a	103.5±6.6 a	45.0±2.5 a	24.2±1.2 a	19.4±1.4 a	47.0±2.4 b	43.5±2.4 a
常规粳稻 CJR
武运粳30 Wuyunjing 30	98.1	95.4	77.3	31.4	19.2	12.1	48.9	40.6
宁粳3号 Ningjing 3	95.1	95.3	75.7	28.6	18.5	11.7	48.4	37.8
平均 Mean	96.6±1.7 d	95.3±0.4 d	76.5±1.1 d	30.0±1.7 c	18.8±0.6 d	11.9±0.6 d	48.6±0.4 b	39.2±1.7 c
杂交籼稻 HIR
新两优6380 Xinliangyou 6380	138.8	130.3	100.4	44.7	24.0	16.6	48.9	44.5
丰两优香1号 Fengliangyouxiang 1	127.0	123.2	97.5	39.0	19.4	17.9	50.1	40.0
平均 Mean	132.9±6.8 b	126.8±4.1 b	98.9±1.8 b	41.8±3.3 b	21.7±2.7 b	17.2±1.2 b	49.5±0.7 a	42.2±2.6 b

品种类型 Variety type	品种 Variety	茎干质量 Dry weight per stem/g	鞘干质量 Dry weight per sheath /g	茎秆单位节间干质量 Dry weight per unit internode /(g·cm^-1)
高产品系HYL	甬优2640 Yongyou 2640	1.83	1.46	0.0673
	甬优2638 Yongyou 2638	1.74	1.22	0.0612
	甬优1610 Yongyou 1610	1.92	1.53	0.0664
	甬优1640 Yongyou 1640	1.81	1.37	0.0643
	甬优1612 Yongyou 1612	1.74	1.33	0.0630
	平均 Mean	1.81±0.08 a	1.38±0.11 a	0.0645±0.0024 a
中产品系MYL	甬优1851 Yongyou 1851	1.76	1.22	0.0573
	甬优1852 Yongyou 1852	1.69	1.17	0.0588
	甬优5854 Yongyou 5854	1.52	1.18	0.0540
	甬优1763 Yongyou 1763	1.46	1.01	0.0548
	甬优7753 Yongyou 7753	1.61	1.18	0.0587
	平均 Mean	1.61±0.12 b	1.15±0.08 b	0.0567±0.0021 b
常规粳稻CJR	武运粳30 Wuyunjing 30	1.18	0.64	0.0535
	宁粳3号 Ningjing 3	1.22	0.66	0.0548
	平均 Mean	1.20±0.03 c	0.65±0.05 d	0.0542±0.0010 b
杂交籼稻HIR	新两优6380 Xinliangyou 6380	1.18	0.83	0.0500
	丰两优香1号 Fengliangyouxiang 1	1.15	0.75	0.0495
	平均 Mean	1.17±0.05 d	0.79±0.07 c	0.0498±0.0005 c

株型指标 Plant-type index	参考值 Reference value
每穗粒数 Spikelet number per panicle	>250
单穗重 Panicle weight/g	>5.5
剑叶叶片形态 Morphological traits of the flag leaf	叶长28~33 cm,叶宽2.2~2.4cm,叶基角<9°,卷曲率>1.6
	Leaf length 28-33 cm, leaf width 2.2-2.4 cm, leaf basic angle lower than 9° and rolling rate higher than 1.6
倒2叶叶片形态 Morphological traits of the 2nd leaf from the top	叶长40~43 cm,叶宽2.0~2.2cm,叶基角<12°,卷曲率>1.4
	Leaf length 40-43 cm, leaf width 2.0-2.2 cm, leaf basic angle lower than 12° and rolling rate higher than 1.4
倒3叶叶片形态 Morphological traits of the 3rd leaf from the top	叶长40~45 cm,叶宽1.8~2.0cm,叶基角<16°,卷曲率>1.2
	Leaf length 40-45 cm, leaf width 1.8-2.0 cm, leaf basic angle lower than 16° and rolling rate higher than 1.2
株高 Plant height /cm	115~120

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