双季稻栽培对水稻DUS测试标准品种数量性状表达的影响

doi:10.16035/j.issn.1001-7283.2021.04.003

Abstract

Abstract:

Based on the field experiment, the effects of different cultivation seasons on the expressions of 13 quantitative characteristics of 21 rice varieties listed in the Rice DUS Test Guidelines were analyzed. The results showed that the three quantitative characteristics of 1000-grain weight, stem length, and grains per ear were greatly influenced by the early and late seasons and stem diameter was the least affected characteristic. Among all the rice varieties, ‘Zhuyunnuo’ was the most affected variety by the early and late seasons, followed by ‘Guihuahuang’ and ‘Yuanzizhan’, while ‘Chuan 7’ and ‘Ainuo’ was the least affected. Two rice varieties corresponding to the characteristic of ears per plant and seed setting rate had poor consistency in early and late seasons and proposing to replace ‘Luchuanzao 1’ with ears per plant on code 7 to ‘Tsukushiakamochi’, and replace ‘Dasanbyeo’ with seed setting rate on code 7 to ‘Teaixuan’ of optimization suggestions for rice varieties. The quantitative characteristics of the early season were adjusted according to the grading range of the late season, the adjusted grading codes of each standard variety showed good consistency in the early and late seasons.

Key words: Cultivation seasons, Rice, Example variety, Quantitative characteristic, DUS test

Ling Chen, Liu Hong, Yang Zhe, Huang Zhanquan, Chen Mengqiang, Rao Dehua, Xu Zhenjiang. Effects of Double-Cropping Rice Cultivation on the Expression of Quantitative Characteristics of Rice DUS Testing Example Varieties[J].Crops, 2021, 37(4): 18-25.

Figures/Tables 8

Table 1

Table 2

Table 3

Analysis of variance of quantitative characteristics of rice example varieties in early and late seasons"

编号 Number	单株穗数 Ears per plant				茎秆直径 Stem diameter (mm)				茎秆长 Stem length (cm)				剑叶长 Flag leaf length (cm)				剑叶宽 Flag leaf width (cm)				穗长 Ear length (cm)			穗粒数 Grains per ear
编号 Number	早季		晚季		早季		晚季		早季		晚季		早季		晚季		早季		晚季		早季	晚季		早季		晚季
1	10.6		11.6		4.97		4.74		67.1		53.4^**		35.0		24.8^**		1.6		1.7		20.0	18.4^*		109.2		109.8
2	8.2		11.2^**		6.71		4.63^**		67.5		51.0^**		33.5		27.6^*		2.0		1.8^*		23.3	19.7^**		129.2		97.0^**
3	8.0		11.2^**		4.87		4.73		86.6		73.8^**		29.2		36.0		1.1		1.3^*		21.9	20.8		122.0		82.2^*
4	14.0		13.4		2.88		3.22		56.3		48.8^*		24.2		21.4		1.1		1.0		13.9	13.1		54.4		42.0
5	8.2		10.6		6.29		6.16		37.4		28.2^**		23.4		26.8		2.5		2.8		17.4	15.9		146.8		170.8
6	11.4		19.0^**		5.09		4.62		60.2		49.4		31.2		33.3		1.6		1.8^**		24.1	21.9		160.0		124.4^*
7	10.8		10.8		5.73		5.04		78.4		61.8^**		36.7		42.4		2.1		2.3		29.3	24.9		169.2		233.2^*
8	9.4		12.6^**		4.98		4.70		83.2		65.8^**		30.4		47.2^**		1.4		1.8^**		25.3	25.0		173.6		226.0^*
9	12.0		13.6		3.71		3.55		68.9		63.0		28.2		22.4		1.1		1.2		19.5	17.3		116.8		67.2^**
10	5.8		10.4^**		5.62		5.67		108.2		87.8^*		39.4		33.2		1.6		1.8		29.3	25.8		227.0		132.0^**
11	9.6		12.0		4.17		4.37		78.4		51.0^**		25.8		19.7		1.5		1.6^*		18.5	14.1^**		197.4		60.2^**
12	11.6		9.8		4.21		4.13		62.6		52.2^**		24.9		27.3		1.5		1.4		24.2	20.7^*		143.4		95.8^**
13	10.6		12.4		4.91		4.35		62.5		53.2^**		35.4		30.5		1.9		2.0		22.6	20.5		164.6		160.8
14	11.0		13.6		5.06		4.71		119.6		98.4^**		46.0		47.7		1.7		2.0^**		24.0	25.9		271.4		288.4
15	9.6		9.6		6.47		5.78		91.3		69.6^**		28.7		30.8		2.3		2.6^*		22.7	22.7		185.6		250.8
16	16.6		21.0		3.37		4.78		88.8		50.2^**		37.9		23.9^**		1.2		1.1		20.9	15.8^**		88.2		61.8^*
17	10.8		12.4		3.50		3.30		81.6		64.8^*		26.8		28.1		1.3		1.4		19.9	19.3		124.8		87.4^**
18	13.4		14.6		4.34		3.62^**		57.9		43.8^**		27.6		22.6		1.4		1.2		20.4	17.9^*		99.0		60.2^**
19	15.2		13.6		3.32		3.30		70.2		51.2^**		33.5		26.0^*		1.3		1.3		-	17.1		84.2		63.0
20	11.2		9.4		3.82		4.28^*		74.9		63.4^*		25.0		31.4		1.3		1.5^*		19.5	20.9		133.0		111.0^*
21	9.6		11.6^*		4.39		4.20		83.8		58.0^**		34.2		32.9		1.8		1.9		23.9	20.5^**		191.0		144.6^**
编号 Number		结实率 Seed setting rate (%)				千粒重 1000-grain weight (g)				谷粒长 Grain length (mm)				谷粒宽 Grain width (mm)				糙米长 Brown rice length (mm)					糙米宽 Brown rice width (mm)
编号 Number		早季		晚季		早季		晚季		早季		晚季		早季		晚季		早季		晚季			早季		晚季
1		85.81		96.51^**		22.13		23.71^**		7.93		8.01		3.62		3.43^**		5.55		5.59			2.71		2.64
2		67.51		77.89		45.89		49.97^**		9.76		10.13		4.29		4.08^*		6.96		7.42^**			3.11		3.29^**
3		82.22		92.91^**		26.73		26.36^**		7.34		7.30		3.67		3.52^*		4.96		5.09			2.96		3.00
4		91.57		93.92		27.83		30.47^**		7.48		7.57		3.33		3.43		5.36		5.56^**			2.82		3.00^*
5		76.98		81.58		19.10		19.84^**		6.51		6.55		3.11		3.14		4.17		4.43^**			2.57		2.71^*
6		84.92		90.59		27.38		27.71		8.65		8.92^*		3.02		3.30^**		6.22		6.30			2.56		2.60
7		84.63		76.40		25.97		27.06^**		9.59		9.78^*		2.73		2.82		6.95		7.15^**			2.27		2.29
8		77.83		65.68		20.74		24.03^**		9.08		9.21		2.48		2.50		6.78		6.86			2.12		2.13
9		94.14		95.31		25.08		28.73^**		7.07		7.49^*		3.35		3.38		4.97		5.27^**			2.87		2.97^*
10		72.78		91.19^**		22.61		25.02^**		7.19		7.45		3.63		3.49^**		5.15		5.20			2.85		2.85
11		90.03		88.62		26.61		27.84^**		7.56		7.65		3.58		3.44^*		5.55		5.76^*			3.01		2.95
12		84.98		81.83		23.59		24.90^**		9.42		9.80^*		2.60		2.50		6.87		7.39^**			2.12		2.13
13		93.74		95.51		26.17		28.81^**		7.41		7.46		3.28		3.46^*		5.27		5.42			2.79		3.03^**
14		95.48		92.68		13.26		12.78^**		6.00		5.87		2.49		2.49		4.44		4.42			2.18		2.23
15		86.62		68.87^*		24.75		24.81		8.11		8.08		3.35		3.36		5.74		5.73			2.66		2.72
16		89.08		90.21		21.80		24.02^**		7.00		7.53^**		3.21		3.13		5.10		5.20			2.69		2.68
17		91.35		95.35^*		25.42		26.82^**		7.45		7.47		3.41		3.38		5.31		5.43			2.87		2.96^*
18		94.91		91.99		26.96		28.70^**		8.95		8.85		3.40		3.41		6.27		6.39			2.76		2.72
19		94.34		95.82		24.66		25.08^**		7.51		6.84^**		3.42		3.32^*		5.23		4.91^**			2.89		2.83
20		95.92		97.69^*		25.03		24.03^**		8.01		8.10		3.35		3.24		5.48		5.51			2.71		2.68
21		85.60		65.53^*		27.14		28.75^**		8.48		8.52		3.26		3.23		6.34		6.20			2.72		2.73

Table 3

Table 4

Table 5

Table 6

Table 7

Codes evaluation of rice quantitative characteristics in early and late season"

编号 Number	单株穗数 Ears per plant		茎秆直径 Stem diameter			茎秆长 Stem length				剑叶长 Flag leaf length			剑叶宽 Flag leaf width			穗长 Ear length			穗粒数 Grains per ear
编号 Number	早季	晚季	早季		晚季	早季		晚季		早季	晚季		早季	晚季		早季	晚季		早季	晚季
1	5	4	4		4	4		4		5^*	3^*		6	6		4	4		3^*	5^*
2	4	4	6^*		4^*	4		4		5	4		7	6		5	4		4	4
3	4	4	4		4	6		6		4^*	6^*		5	5		4	5		4	4
4	6	5	2		3	3		4		3	3		5	4		3	3		1	2
5	4	4	6		6	2		2		3	4		8	8		4	4		5	6
6	5^*	7^*	4		4	4		4		5	5		6	6		5	5		5	5
7	5	4	5		5	5		5		6	7		7	7		6	5		5^*	7^*
8	4	5	4		4	6		5		4^*	8^*		6	6		5	5		5^*	7^*
9	5	5	3		3	4		5		4	3		5	4		4	4		3	3
10	3	4	5		5	8		7		6	5		6	6		6	6		6	5
11	5	5	3		4	5		4		3	2		6	6		4	3		6^*	2^*
12	5	4	4		4	4		4		3	4		6	5		5	5		5	4
13	5	5	4		4	4		4		5	5		7	6		5	5		5	6
14	5	5	4		4	9		8		7	8		6	7		5	6		7	8
15	5	4	6		5	6		6		4	5		7	8		5	5		5^*	7^*
16	7	8	3		4	6^*		4^*		6^*	3^*		5	4		4	4		2	3
17	5	5	3		3	5		5		4	4		5	5		4	4		4	4
18	6	5	4		3	4		4		4	3		6	5		4	4		3	2
19	6	5	3		3	5		4		5	4		5	5		-	4		2	3
20	5	4	3		4	5		5		4	5		5	6		4	5		4	5
21	5	4	4		4	6		5		5	5		6	6		5	5		6	5
编号 Number	结实率 Seed setting rate			千粒重 1000-grain weight			谷粒长 Grain length					谷粒宽 Grain width			糙米长 Brown rice length			糙米宽 Brown rice width
编号 Number	早季	晚季		早季	晚季		早季		晚季			早季	晚季		早季	晚季		早季	晚季
1	8	9		4	4		6		6			7	6		3	3		5	5
2	6	7		9	9		8		9			8	7		6	7		6	6
3	7	8		6	5		6		6			7	6		2	2		6	6
4	8	8		6	6		6		6			6	6		3	3		6	6
5	7	7		4	3		5		5			6	6		2	2		5	5
6	8	8		6	5		7		7			5	6		5	5		5	5
7	8	7		5	5		8		8			5	5		6	7		4	4
8	7	6		4	4		7		8			4	4		6	6		4	4
9	9	9		5	6		5		6			6	6		2	3		6	6
10	7	8		5	5		6		6			7	6		3	3		6	6
11	8	8		6	5		6		6			6	6		3	4		6	6
12	8	7		5	5		8		8			5	4		6	7		4	4
13	9	9		5	6		6		6			6	6		3	3		5	6
14	9	8		2	2		4		4			4	4		2	2		4	4
15	8^*	6^*		5	5		7		6			6	6		4	4		5	5
16	8	8		4	4		5		6			6	6		3	3		5	5
17	8	9		5	5		6		6			6	6		3	3		6	6
18	9	8		6	6		7		7			6	6		5	5		5	5
19	9	9		5	5		6		5			6	6		3	2		6	6
20	9	9		5	4		6		7			6	6		3	3		5	5
21	8^*	6^*		6	6		7		7			6	6		5	5		5	5

Table 7

Table 8

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[15]	Zhao Kaocheng, Ma Jun, Ye Ying, Huang Lifen, Zhuang Hengyang. Research Advance on the Comprehensive Effects of Ecological Farming of Rice and Shrimp [J]. Crops, 2021, 37(2): 22-27.

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编号Number	品种Variety	编号Number	品种Variety
1	紫香糯	12	轮回01
2	竹云糯	13	广陆矮4号
3	元子占稻	14	川7号
4	雨粒	15	矮糯
5	特矮选	16	Tsukushiakamochi
6	陆川早1号	17	Koshihikari
7	丽水糯	18	Heuknambyeo
8	花溪简稻	19	Beniroman
9	合江18	20	Asamurasaki
10	旱轮稻	21	Dasanbyeo
11	桂花黄

早季Early season					晚季Late season
月份Month	降雨量(mm)	温度(℃)	相对湿度(%)	日照时数(h)	月份Month	降雨量(mm)	温度(℃)	相对湿度(%)	日照时数(h)
3	65.1	20.1	75.7	134.6	8	293.1	28.3	85.0	137.0
4	112.7	22.3	79.2	75.6	9	187.4	27.4	79.8	170.6
5	172.9	27.9	78.8	202.0	10	82.0	22.9	74.2	149.6
6	566.1	27.8	84.0	128.0	11	35.1	20.7	80.2	119.3

数量性状 Quantitative characteristic	标准品种 Example variety	早季分级代码 Classification code of early season	晚季分级代码 Classification code of late season	代码极差 Code range
单株穗数Ears per plant	Asamurasaki	5	4	1
	陆川早1号	5	7	2
穗长Ear length	元子占稻	4	5	1
茎秆长Stem length	川7号	9	8	1
剑叶长Flag leaf length	桂花黄	3	2	1
	川7号	7	8	1
剑叶宽Flag leaf width	雨粒	5	4	1
	矮糯	7	8	1
	元子占稻	4	5	1
穗粒数Grains per ear	Heuknambyeo	3	2	1
	广陆矮4号	5	6	1
	Asamurasaki	4	5	1
结实率Seed setting rate	Dasanbyeo	8	6	2
千粒重1000-grain weight	特矮选	4	3	1
	桂花黄	6	5	1
谷粒长Grain length	Beniroman	6	5	1
谷粒宽Grain width	元子占稻	7	6	1
糙米长Brown rice length	竹云糯	6	7	1

Effects of Double-Cropping Rice Cultivation on the Expression of Quantitative Characteristics of Rice DUS Testing Example Varieties

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