A High Qualilty Rice Variety with Lodging Tolerance, ‘Daebo’

Jeong-Il Kim; No-Bong Park; Ji-Yoon Lee; Oh-Deog Kwon; Dong-Soo Park; Jae-Ki Chang; Un-Sang Yeo; Jung-Hun Kang; Jong-Hee Lee; Jun-Hyun Cho; You-Cheon Song; Ki-Chang Jang; Kyung-Jin Choi; Seong-Hwan Oh; Un-Ha Hwang; Woo-Jae Kim; Seong-Tae Park; Hang-Weon Kang; Jong-Ki Lee

doi:10.9787/KJBS.2014.46.1.096

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중생 최고품질 내병 내도복 다수성 신품종 벼 품종 ‘대보(大寶)’

A High Qualilty Rice Variety with Lodging Tolerance, ‘Daebo’

Jeong-Il Kim¹, No-Bong Park^1,*, Ji-Yoon Lee², Oh-Deog Kwon¹, Dong-Soo Park², Jae-Ki Chang¹, Un-Sang Yeo¹, Jung-Hun Kang³, Jong-Hee Lee², Jun-Hyun Cho², You-Cheon Song², Ki-Chang Jang², Kyung-Jin Choi², Seong-Hwan Oh², Un-Ha Hwang², Woo-Jae Kim², Seong-Tae Park¹, Hang-Weon Kang¹, Jong-Ki Lee²

The Korean Journal of Breeding Science 2014;46(1):96-102.
Published online: February 28, 2014

DOI: https://doi.org/10.9787/KJBS.2014.46.1.096

^{1국립식량과학원}

¹National Institute of Crop Science, RDA, 441-100, Suwon, Korea

^{2국립식량과학원 기능성작물부}

²Deapartment of Functional Crop, NICS, RDA, 627-803, Milyang, Korea

^{3농촌진흥청}

³Rural Development Administration(RDA), 441-100, Suwon, Korea

*Corresponding author (E-mail: parknb@korea.kr, Tel: +82-54-732-0385, Fax: +82-54-733-9584)

• Received: September 12, 2013 • Revised: November 5, 2013 • Accepted: November 23, 2013

This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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적요
서 언
육성경위
주요특성
수량성
적 요
사 사
References

적요

A rice variety ‘Daebo’ is a japonica rice (Oryza sativa L.) with good eating quality, lodging tolerance, and resistance to rice stripe virus (RSV) and blight bacterial disease (BB). It is developed by the rice breeding team of Yeongdeog Substation, National Institute Crop Science, RDA in 2011. This variety derived from a cross between ‘YR21247-68-1’ with good plant type and ‘Yeongdeog35’ with good eating quality conducted in 2002 summer season. A promising line, YR23940-B-17-1-2, selected by bulk and pedigree breeding method was designated as the name of ‘Yeongdeog51’ in 2008. After the local adaptability test was carried out at seven locations from 2009 to 2011, ‘Yeongdeog51’ was released as the name of ‘Daebo’ in 2011. ‘Daebo’ is short culm length as 63 cm and medium-growth duration. This variety is resistant to races, K₁, K₂, and K₃ of bacterial blight and stripe virus and moderately resistant to leaf blast disease resistance. ‘Daebo’ has translucent and clear milled rice kernel without white core and belly rice, and good eating quality as a result of panel test. The yield potential of ‘Daebo’ in milled rice is about 5.93 MT/ha at ordinary fertilizer level of local adaptability test. This cultivar would be adaptable to middle plain, south plain, mid-west costal area, and south mid-mountainous area.

서 언

최근의 쌀 품종 개발의 목표는 수량성 증대는 물론이고 밥 맛이 좋은 고품질의 벼 품종 개발이 소비자로부터 요구되고 있으며, 또한 동해안 지역은 한랭과습풍과 태백산맥을 넘어오 는 고온건조풍으로 인한 각종 기상재해의 피해를 비롯한 바 이러스 등 병해 발생이 잦은 지역으로 각종 병해충에 강하고 거센 바람에도 쓰러지지 않고 잘 견디는 복합 내재해 품종의 개발이 요구되는 지역이다(Kim et al. 2009). 국립식량과학원 영덕출장소에서는 이러한 지역에 적응하는 다수성이며 내병 성을 갖춘 최고품질 안전 다수성 벼 품종 육성에 주력하여 왔 으며 2011년 쌀 모양이 둥근 단원형이면서 밥맛이 뛰어나고 내도복성이며 줄무늬잎마름병과 흰잎마름병 K₁, K₂, K₃에 저 항성이 있는 “대보”를 육성하여 이에 대한 육성경위와 주요 특성을 보고하고자 한다(농촌진흥청, 2009-2011).

육성경위

‘대보’는 국립식량과학원 영덕출장소에서 2002년 하계에 밥맛이 뛰어나면서 재배 안정성이 높은 벼 품종을 육성할 목 적으로 우량 선발 계통인 “YR21247-68-1”를 모본하고 영덕 출장소 육성계통인 밥맛이 우수한 ‘영덕35호’를 부본으로 인 공교배를 실시하고, 2002/2003년 동계에 국립식량과학원 기능 성작물부 온실에서 26개체의 F₁ 식물체를 양성하여 YR23940 의 교배번호를 부여하였다. 2003년 하계포장에 F₂ 집단 양성 개체선발하여 2004년 하계에 F₃세대를 집단양성하고 57계통 을 선발 후 계통육종법 으로 F₄, F₅, F₆, F₇세대를 전개하면서 단간이고 내도복성이면서 미질 품위가 양호하며 내병성을 갖 춘 계통을 선발하여 2007년 생산력검정예비시험, 2008년 생 산력검정본시험을 실시한 후 쌀 품위가 좋으면서 밥맛이 우 수하고 재배 안정성이 높은 YR23940-B-17-1-2 을 선발하여 ‘영덕51호’로 명명하였다(영남농업연구소, 2004-2007) (작물 과학원, 2008-2010). 2009년~2011년까지 3년간 지역적응시 험을 실시한 결과 중생종이면서 쌀알이 아주 둥근 단원형이 면서 품위가 좋고 밥맛이 뛰어나며 내병성과 내도복성을 갖 춘 것으로 평가되어 2011년 12월 농작물 직무육성 신품종 선 정위원회에서 국가품종목록으로 등재 할 것을 결정하고 ‘대보’ 로 명명하여 적응지역인 동남부 해안지, 중부 및 남부 평야, 남 부중산간지에 보급하게 되었다(농촌진흥청, 2009-2011).

주요특성

출수기

‘대보’의 출수기는 중부평야지, 남부중산간지, 동남부 해안 지 및 영남평야지 보통기 보비재배에서 8월 14일로 ‘화성벼’ 보다 1일 늦고, 이모작과 만식재배에서는 4일 늦은 중생종이 다(Table 1). (Fig. 1).

Table 1

Heading date of ‘Daebo’. (LAT: ’09~’11)

Table 1
Culture season	Heading date		Transplanting date
Culture season	Daebo	Hwaseongbyeo	Transplanting date

Odinary season	Aug. 14	Aug. 13 (Aug. 16)z	May 25
Double cropping	Aug. 23	Aug. 19	Jun. 25
Late season	Aug. 26	Aug. 22	Jul. 1

^z( ) Nampyeongbyeo.

Fig. 1.

Pedigree diagram of the new rice variety ‘Daebo’.

잎과 줄기

‘대보’의 잎은 Table 2에서 보는 바와 같이 녹색이며 길이 와 너비는 중정도이며 직립형이다. 줄기는 ‘화성벼’와 보다 굵으며 강도는 중강이고 간장은 63 cm로 ‘화성벼’보다 16 cm짧은 단간 품종이다.

Table 2

Leaf and culm characteristics of ‘Daebo’. (NICS, Yeongdeog: ’09~’11)

Table 2
Variety	Flag leaf				Culm
Variety	Color	Length	Width	Erectness	Length (cm)	Thickness	Stiffness

Daebo	Green	Medium	Medium	Erect	63	High	Medium-High
Hwaseongbyeo	Green	Medium	Medium	Semi-Erect	79	Medium	Medium

‘대보’의 이삭 길이는 21 cm로 ‘화성벼’와 같으며 착립밀 도는 보통이고 이삭추출은 양호한 편이다. 벼알은 까락이 없 거나 적으며 탈립은 잘 안되는 편이고 영색은 황백색이고 숙 색은 양호하다(Table 3).

Table 3

Characteristics of grain and panicle of ‘Daebo’. (NICS, Yeongdeog: ’09~’11)

Table 3
Variety	Panicle length (cm)	Spikelets density	Shattering	Panicle exertion	Awn	Spikelets color

Daebo	21	Intermediate	Hard	Good	None, Few	Yellowish white
Hwaseongbyeo	21	Intermediate	Hard	Good	Few	Yellowish white

수량구성요소

‘대보’의 주당수수는 ‘화성벼’보다 1개 많고 수당립수는 17 개 많으며, 등숙비율은 ‘화성벼’와 비슷한 수준이며, 현미 천 립중은 ‘화성벼’보다 0.6 g 더 무거운 중립종이다(Table 4).

Table 4

Yield components of ‘Daebo’. (NICS, Yeongdeog: ’09~’11)

Table 4
Variety	No. of panicle/hill	No. of spikelet/panicle	Ratio ripened grain (%)	Brown rice (g)
Variety	No. of panicle/hill	No. of spikelet/panicle	Ratio ripened grain (%)	lL weight	1,000 grains

Daebo	14	110	87.9	846	22.8
Hwaseongbyeo	13	93	90.5	851	22.2

품질특성

‘대보’의 입형은 현미 장폭비가 1.67로 매우 둥근 단원형이 며 심복백(WC/WB)은 거의 없고, 투명도는 1은 아주 투명하 고 9는 투명하지 못하나 ‘화성벼’와 같이 1로서 맑고 투명하 며, 도정율은 ‘화성벼’와 비슷하고 현백율, 백미완전미율은 높 다(Table 5). 아밀로스함량과 단백질함량은 ‘화성벼’보다 낮 고, 특히 단백질함량은 5.5%로 매우 낮으며 밥맛은 ‘화성벼’ 보다 우수하다(Table 6).

Table 5

Milling property and grain quality of ‘Daebo’. (LAT: ’09~’11)

Table 5
Variety	Brown/rough rice ratio	Milled/brown rice ratio	Milling recovery	Head rice grain ratio	Brown rice
	Brown/rough rice ratio	Milled/brown rice ratio	Milling recovery	Head rice grain ratio	Length	Width	Thickness	Ratio Length / Width	Translucency	WC /WB
	(%)	(%)	(%)	(%)	(mm)	(mm)	(mm)	Ratio Length / Width	(1-9)	(0-9)

Daebo	83.6	92.5	77.3	94.2	4.81	2.88	1.97	1.67	1	0/0
waseongbyeo	84.3	92.2	77.7	76.3	4.94	2.75	2.02	1.80	1	2/0

Table 6

Physicochemical properties related to eating quality of ‘Daebo’. (LAT: ’09~’11)

Table 6
Variety	Amylose content	Alkali digestion value	Protein content	Palatability of cooked rice
Variety	(%)	(1-7)	(%)	(-~+3)

Daebo	19.2	6.6	5.5	0.40
Hwaseongbyeo	20.8	6.6	7.1	0.19

생리장해 견딜성

‘대보’는 못자리일수 50일묘 이앙시에 불시출수가 되지 않 았으며 위조에는 강한 편이고 성숙기의 엽노화가 느린 편이 다. 내냉성 검정 결과 출수지연, 임실율은 ‘화성벼’와 비슷하 여 내냉성이 강하며, 내풍성 검정의 저항성도 ‘화성벼’와 비슷 한 반응을 보였으며, 수발아는 ‘화성벼’보다 강하다(Table 7).

Table 7

Reaction to the environmental and physiological stress. (LAT: ’09~’11)

Table 7
Variety	Premature heading in 50days old seedling	Appearance of wilting	Adult leaf senes cence	Premature germination of panicle	Wind tolerance	Cold tolerancez
	Premature heading in 50days old seedling			Premature germination of panicle		Leaf senescence	Heading delay	Grain fertility
	(%)			(%)		(1-9)	(days)	(%)

Daebo	0	Resistant	Slow	15.6	Middle	3	14	32.0
Hwaseongbyeo	0	Resistant	Slow	27.7	Middle	4	12	42.7

^zCold tolerance was evaluated at Chuncheon Substation, a cold-water irrigated nursery.

내도복성

‘대보’는 벼키와 3절간장이 짧아 중심고는 ‘화성벼’보다 낮 고, ‘화성벼’에 비해 도복지수(모멘트/좌절중)가 낮아 이앙재 배시의 포장도복은 되지 않았다(Table 8).

Table 8

Lodging tolerance and its related characteristics. (LAT: ’11)

Table 8
Variety	Plant length	3th Culm length	Fresh weight of aerial part	Breaking weight of 3rd internode	Momentz	Lodging index	Field lodging (1-9)
Variety	(cm)	(cm)	(g)	(g)	(g.cm)	Lodging index	broadcasting in flooded paddy field

Daebo	93	8	17.8	828	1,658	200	1
Hwaseongbyeo	105	11	13.5	360	1,423	394	1

^z(Culm length + Panicle length) × Total fresh weight of plant/hill.

병해충 저항성

‘09~11’년 전국 14개소에서 실시한 잎도열병 밭못자리 검정에서 ‘화성벼’에 비해 더 강한 반응을 보였고, 이삭도열 병 포장검정에서는 ‘화성벼’에 비해 강한 편이었다(Table 9). 도열병 내구저항성 검정에서 친화성 균주수는 14개로 ‘화성 벼’ 보다 적었다(Table 10). ‘대보’는 줄무늬잎마름병과 흰잎 마름병(K₁~K₃)에 저항성이나(Table 11) 벼멸구와 애멸구에 는 저항성이 없었다(Table 12).

Table 9

Reaction to blast disease. (LAT: ’09~’11)

Table 9
Variety	Leaf blast nursery				Neck blast field nursery (N: 22 kg/10a)
	(N: 24 kg/10a)
	No. of tested site (14)

	R	M	Sz	Ave.	Diseased panical (%) (22 kg/10a)
	(0~3)	(4~6)	(7~9)	Ave.	Jecheon	Icheon	Iksan	Milyang	Yaesan	Jinju

Daebo	2	9	3	5.9	0.4	1.1	1.9	0.1	0.0	1.2
waseongbyeo	0	8	6	6.3	4.5	3.9	6.6	0.0	3.8	0.0

^zR: Resistant, M: Medium, S: Susceptible.

Table 10

Reaction of durable resistance to leaf blast disease. (LAT: ’11)

Table 10
Variety	Percentage of infection region on series planting							No. of virulence isolate	Durable resistance index
Variety	1st	2nd	3rd	4th	5th	6th	7th	(23)	(0~9)

Daebo	60.0	5.0	30.0	15.0	15.0	0.0	0.0	14	7
Hwaseongbyeo	50.0	50.0	20.0	45.0	45.0	20.0	10.0	21	7

Table 11

Reaction to major diseases. (LAT: ’09~’11)

Table 11
Variety	Bacterial leaf blight				Virus disease
Variety	K₁	K₂	K₃	K_3a	Stripe	Dwarf	Black streaked dwarf

Daebo	R	R	R	S	R	S	S
Hwaseongbyeo	S	S	S	S	R	S	S

^zR: Resistant, S: Susceptible.

Table 12

Resistance to major insects. (LAT: ’09~’11)

Table 12
Variety	Brown planthopper	Small brown planthopper

Daebo	Sz	Sz
Hwaseongbyeo	Sz	Sz

^zS: Susceptible.

수량성

생산력검정시험

‘대보’는 ‘07~’08년 보통기 보비재배에서 평균 쌀수량이 5.92 MT/ha으로 ‘화성벼’보다 15% 증수하였다(Table 13).

Table 13

Yield performance at replicated yield trial. (NICS Yeongdeog: ’07~’08)

Table 13
Variety	Milled rice (MT/ha)
Variety	’07	’08	Mean	Index

Daebo	6.27	5.56	5.92	115
Hwaseongbyeo	5.33	4.93	5.13	100

지역적응시험

‘대보’의 수량성은 ‘09~’11년 3개년간 실시한 지역적응시 험 보통기 보비재배 7개소에서 5.93 MT/ha로 ‘화성벼’보다 11% 증수되었으며, 이모작재배에서는 5.23 MT/ha로 ‘화성 벼’ 대비 14%, 만식재배에서는 4.63 MT/ha로 ‘화성벼’대비 21% 증수하여 이모작 및 만식적응성 높았다(Table 14, 15).

Table 14

Summarized results of local adaptability test. (LAT: ’09~’11)

Table 14
Culture season	Region	No. of tested sites	Milled rice of “Hwaseongbyeo”	Milled rice of “Daebo” (MT/ha)
Culture season	Region	No. of tested sites	(MT/ha)	’09	’10	’11	Mean	Index	Range

Ordinary planting	Middle plain area	1	5.09	7.17	4.66	5.88	5.90	116	4.66~7.17
	South Mid-mountainous	2	5.49	5.89	5.60	5.82	5.77	106	4.99~6.20
	East-south coastal area	1	5.09	6.76	5.79	5.69	6.08	119	5.69~6.76
	Yeonnam plain area	3	[5.50]z	6.29	5.82	5.88	6.00	109	5.46~7.41

	Mean	7	5.38	6.37	5.59	5.84	5.93**y	111	-

Double cropping	Yeongnam plain area	1	4.54	-	5.11	5.35	5.23nsy	114	-

Late planting	Honam plain area	1	3.66	-	4.51	4.75	4.63*y	121	-

^zAverage of [Nampyeongbyeo]

^yOrdinary planting t=4.64**>t(_0.01, 6)=3.707, Double cropping t=9.28^ns>t(_0.05, 1)=12.706, Late planting t=13.17*>t(_0.05, 1)=12.706.

Table 15

Results of local adaptability test. (LAT: ’09~’11)

Table 15
Culture season	Region	Location	Daebo								Hwaseongbyeo[Nampyeongbyeo]
			Heading Date				Milled rice (MT/ha)				Index				Milled rice (MT/ha)
			’09	’10	’11	Mean	’09	’10	’11	Mean	’09	’10	’11	Mean	’09	’10	’11	Mean

Ordinary planting	Middle plain area	Suweon	8.16	8.18	8.18	8.17	7.17	4.66	5.88	5.90	122	98	128	116	5.90	4.77	4.59	5.09

		Mean	8.16	8.18	8.18	8.17	7.17	4.66	5.88	4.90	122	98	128	116	5.90	4.77	4.59	5.09

	South mid-mountainous	Boun	8.14	8.11	8.9	8.11	5.80	4.99	5.49	5.43	104	109	108	107	5.60	4.58	5.09	5.09
		Andong	8.16	8.12	8.21	8.16	5.98	6.20	6.15	6.11	102	105	104	104	5.84	5.89	5.90	5.88

		Mean	8.15	8.12	8.15	8.14	5.89	5.60	5.82	5.77	103	107	106	106	5.72	5.24	5.50	5.49

	East-south coastal area	Yeongdeog	8.22	8.18	8.21	8.20	6.76	5.79	5.69	6.08	120	122	116	119	5.61	4.76	4.89	5.09

		Mean	8.22	8.18	8.21	8.20	6.76	5.79	5.69	6.08	120	122	116	119	5.61	4.76	4.89	5.09

	Yeongnam plain area	Milyang	8.18	8.13	8.10	8.13	5.46	5.68	5.74	5.63	94	107	107	103	[5.80]	[5.25]	[5.37]	[5.47]
		Sunsan	8.16	8.6	8.15	8.12	7.41	5.59	6.11	6.37	116	109	113	113	[6.40]	[5.13]	[5.41]	[5.65]
		Jinju	8.13	8.7	8.6	8.8	5.99	6.20	5.80	6.00	113	117	105	112	[5.31]	[5.31]	[5.54]	[5.39]

		Mean	8.16	8.9	8.10	8.11	6.29	5.82	5.88	6.00	108	111	108	109	[5.84]	[5.23]	[5.44]	[5.50]

	Mean		8.16	8.12	8.14	8.14	6.37	5.57	5.84	5.93	110	110	112	111	5.78	5.10	5.26	5.38

Double cropping	Yeongnam plain area	Milyang	-	8.21	8.25	8.23	-	5.11	5.35	5.23	-	114	114	114	-	4.49	4.58	4.54

Late Planting	Honam plain area	Iksan	-	8.24	8.27	8.26	-	4.51	4.75	4.63	-	123	118	121	-	3.66	4.02	3.84

재배상의 유의점

‘대보’는 동해안 냉조풍지, 중부 및 남부평야지, 남부 중산 간지에 적응하는 중생종 품종이다. 단간이지만 질소질 비료 과다시 미질저하, 병해충 발생 및 도복이 우려되므로 적정균 형 시비하여야 하며, 묘대기와 이앙시에 애멸구와 끝동매미충 방제를 철저히 하여 오갈병과 검은줄오갈병 발생을 미리 예 방하여야 하고 흰잎마름병 K_3a에는 약하므로 적기에 기본방 제를 실시하고 이모작 및 만식재배 적응성은 있지만 냉수용 출답이나 극만식재배는 피하는 것이 좋다.

적 요

‘대보’는 국립식량과학원 영덕출장소에서 2002년 하계에 밥맛이 뛰어난 최고품질 벼 품종을 육성할 목적으로 우량 선 발 계통인 ‘YR21247-68-1’를 모본, ‘영덕35호’를 부본으로 인공교배하고, 2002/2003년 동계에 국립식량과학원 기능성 작물부 온실에서 26개체의 F₁ 식물체를 양성하여 YR23940 의 교배번호를 부여하였다. 2003년 하계포장에 F₂ 집단 양성 선발하여 2004년 하계에 F₃세대를 집단양성하고 57계통을 F₄ 계통 전개 후 F₅, F₆, F₇ 세대를 계통육종법으로 선발하여 2007년 생산력검정예비시험, 2008년 생산력검정본시험을 실 시한 후 YR23940-B-17-1-2 게통을 선발하여 ‘영덕51호’로 명명하였다. 2009년~2011년까지 3년간 지역적응시험을 실 시한 결과 중생종이면서 쌀알이 아주 둥근 단원형 이면서 품 위가 좋고 밥맛이 뛰어나며 내병성과 내도복성을 갖춘 것으 로 평가되어 2011년 12월 농작물 직무육성 신품종 선정위원 회에서 국가품종목록으로 등재 할 것을 결정하고 ‘대보’로 명 명하여 적응지역인 동남부 해안지, 중부 및 남부 평야, 남부중 산간지에 보급하게 되었다.

출수기는 보통기 재배에서 평균 8월 14일로 ‘화성벼’보다 1일 늦은 중생종 품종이다. 직립 초형이고 탈립은 잘되지 않 고 이삭추출은 양호 하고 까락이 거의 없다. 수당립수는 ‘화 성벼’보다 많으며 현미천립중도 22.8 g으로 ‘화성벼’보다 약 간 더 무겁다. 도정특성은 ‘화성벼’보다 약간 좋은 편이고 쌀 알 모양이 아주 둥근 단원형이며 맑고 투명하며 밥맛은 ‘화성 벼’보다 우수하다. 불시출수는 안되는 편이고, 위조현상에 강 하고 성숙기 엽노화가 느린 편이며 내냉성은 ‘화성벼’와 같은 수준이다. 잎도열병 밭못자리 검정 결과 중도저항성을 보였고 줄무늬잎마름병과 흰잎마름병(K₁, K₂, K₃)에는 강하나 오갈 병 및 검은줄오갈병에 약하고 벼멸구 등 충해에는 감수성이 다. 쌀수량성은 ‘09~’11년 3개년간 실시한 지역적응시험 보 통기 보비재배 7개소에서 5.93 MT/ha로 ‘화성벼’보다 11% 증수되었으며, 이모작재배에서는 5.23 MT/ha로 ‘화성벼’ 대 비 14%, 만식재배에서는 4.63 MT/ha로 ‘화성벼’ 대비 21% 증수하여 이모작 및 만식적응성이 높았다.

사 사

본 품종을 육성하기까지 협력하여 주신 국립식량과학원과 소속 연구소의 벼 육종연구진, 농촌진흥청 연구정책국, 농촌 지원국, 농업과학기술원 및 각도 농업기술원 관계관 여러분께 깊은 감사를 드립니다.

References

1. Kim JI, Chang JK, Park NB, Yeo US, Oh BG, Kang JH, Kwon OD, Shin MS, Park DS, Kwak DY, Lee JH. A New High Qualilty Rice Variety with High Head Rice Ratio and Milling Recovery, 'Chilbo'. Korean J. Breed. Sci 2009. 41: 547-551.
2. National Institute of Crop ScienceReport of Experiment and Research 2008~2010.
3. National Yeongnam Agriculture Experiment StationReport of Experiment and Research 2002~2003.
4. Rural Development AdminstrationReport of New Cultivars Development and Research in Summer Crop 2009~2011.
5. Rural Development AdminstrationResult of selection Meeting for New Crop Cultivars 2009~2011.
6. Yeongnam Agricultural Research InstituteReport of Experiment and Research 2004~2007.

Figure & Data

References

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A High Qualilty Rice Variety with Lodging Tolerance, ‘Daebo’

Korean. J. Breed. Sci.. 2014;46(1):96-102. Published online March 31, 2014

DOI: https://doi.org/10.9787/KJBS.2014.46.1.096

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A High Qualilty Rice Variety with Lodging Tolerance, ‘Daebo’

Korean. J. Breed. Sci.. 2014;46(1):96-102. Published online March 31, 2014

DOI: https://doi.org/10.9787/KJBS.2014.46.1.096

Figure

A High Qualilty Rice Variety with Lodging Tolerance, ‘Daebo’

Fig. 1. Pedigree diagram of the new rice variety ‘Daebo’.

Fig. 1.

A High Qualilty Rice Variety with Lodging Tolerance, ‘Daebo’

Table 1

Heading date of ‘Daebo’. (LAT: ’09~’11)

Culture season	Heading date		Transplanting date
Culture season	Daebo	Hwaseongbyeo	Transplanting date

Odinary season	Aug. 14	Aug. 13 (Aug. 16)z	May 25
Double cropping	Aug. 23	Aug. 19	Jun. 25
Late season	Aug. 26	Aug. 22	Jul. 1

( ) Nampyeongbyeo.

Table 2

Leaf and culm characteristics of ‘Daebo’. (NICS, Yeongdeog: ’09~’11)

Variety	Flag leaf				Culm
Variety	Color	Length	Width	Erectness	Length (cm)	Thickness	Stiffness

Daebo	Green	Medium	Medium	Erect	63	High	Medium-High
Hwaseongbyeo	Green	Medium	Medium	Semi-Erect	79	Medium	Medium

Table 3

Characteristics of grain and panicle of ‘Daebo’. (NICS, Yeongdeog: ’09~’11)

Variety	Panicle length (cm)	Spikelets density	Shattering	Panicle exertion	Awn	Spikelets color

Daebo	21	Intermediate	Hard	Good	None, Few	Yellowish white
Hwaseongbyeo	21	Intermediate	Hard	Good	Few	Yellowish white

Table 4

Yield components of ‘Daebo’. (NICS, Yeongdeog: ’09~’11)

Variety	No. of panicle/hill	No. of spikelet/panicle	Ratio ripened grain (%)	Brown rice (g)
Variety	No. of panicle/hill	No. of spikelet/panicle	Ratio ripened grain (%)	lL weight	1,000 grains

Daebo	14	110	87.9	846	22.8
Hwaseongbyeo	13	93	90.5	851	22.2

Table 5

Milling property and grain quality of ‘Daebo’. (LAT: ’09~’11)

Variety	Brown/rough rice ratio	Milled/brown rice ratio	Milling recovery	Head rice grain ratio	Brown rice
	Brown/rough rice ratio	Milled/brown rice ratio	Milling recovery	Head rice grain ratio	Length	Width	Thickness	Ratio Length / Width	Translucency	WC /WB
	(%)	(%)	(%)	(%)	(mm)	(mm)	(mm)	Ratio Length / Width	(1-9)	(0-9)

Daebo	83.6	92.5	77.3	94.2	4.81	2.88	1.97	1.67	1	0/0
waseongbyeo	84.3	92.2	77.7	76.3	4.94	2.75	2.02	1.80	1	2/0

Table 6

Physicochemical properties related to eating quality of ‘Daebo’. (LAT: ’09~’11)

Variety	Amylose content	Alkali digestion value	Protein content	Palatability of cooked rice
Variety	(%)	(1-7)	(%)	(-~+3)

Daebo	19.2	6.6	5.5	0.40
Hwaseongbyeo	20.8	6.6	7.1	0.19

Table 7

Reaction to the environmental and physiological stress. (LAT: ’09~’11)

Variety	Premature heading in 50days old seedling	Appearance of wilting	Adult leaf senes cence	Premature germination of panicle	Wind tolerance	Cold tolerancez
	Premature heading in 50days old seedling			Premature germination of panicle		Leaf senescence	Heading delay	Grain fertility
	(%)			(%)		(1-9)	(days)	(%)

Daebo	0	Resistant	Slow	15.6	Middle	3	14	32.0
Hwaseongbyeo	0	Resistant	Slow	27.7	Middle	4	12	42.7

Cold tolerance was evaluated at Chuncheon Substation, a cold-water irrigated nursery.

Table 8

Lodging tolerance and its related characteristics. (LAT: ’11)

Variety	Plant length	3th Culm length	Fresh weight of aerial part	Breaking weight of 3rd internode	Momentz	Lodging index	Field lodging (1-9)
Variety	(cm)	(cm)	(g)	(g)	(g.cm)	Lodging index	broadcasting in flooded paddy field

Daebo	93	8	17.8	828	1,658	200	1
Hwaseongbyeo	105	11	13.5	360	1,423	394	1

(Culm length + Panicle length) × Total fresh weight of plant/hill.

Table 9

Reaction to blast disease. (LAT: ’09~’11)

Variety	Leaf blast nursery				Neck blast field nursery (N: 22 kg/10a)
	(N: 24 kg/10a)
	No. of tested site (14)

	R	M	Sz	Ave.	Diseased panical (%) (22 kg/10a)
	(0~3)	(4~6)	(7~9)	Ave.	Jecheon	Icheon	Iksan	Milyang	Yaesan	Jinju

Daebo	2	9	3	5.9	0.4	1.1	1.9	0.1	0.0	1.2
waseongbyeo	0	8	6	6.3	4.5	3.9	6.6	0.0	3.8	0.0

R: Resistant, M: Medium, S: Susceptible.

Table 10

Reaction of durable resistance to leaf blast disease. (LAT: ’11)

Variety	Percentage of infection region on series planting							No. of virulence isolate	Durable resistance index
Variety	1st	2nd	3rd	4th	5th	6th	7th	(23)	(0~9)

Daebo	60.0	5.0	30.0	15.0	15.0	0.0	0.0	14	7
Hwaseongbyeo	50.0	50.0	20.0	45.0	45.0	20.0	10.0	21	7

Table 11

Reaction to major diseases. (LAT: ’09~’11)

Variety	Bacterial leaf blight				Virus disease
Variety	K₁	K₂	K₃	K_3a	Stripe	Dwarf	Black streaked dwarf

Daebo	R	R	R	S	R	S	S
Hwaseongbyeo	S	S	S	S	R	S	S

R: Resistant, S: Susceptible.

Table 12

Resistance to major insects. (LAT: ’09~’11)

Variety	Brown planthopper	Small brown planthopper

Daebo	Sz	Sz
Hwaseongbyeo	Sz	Sz

S: Susceptible.

Table 13

Yield performance at replicated yield trial. (NICS Yeongdeog: ’07~’08)

Variety	Milled rice (MT/ha)
Variety	’07	’08	Mean	Index

Daebo	6.27	5.56	5.92	115
Hwaseongbyeo	5.33	4.93	5.13	100

Table 14

Summarized results of local adaptability test. (LAT: ’09~’11)

Culture season	Region	No. of tested sites	Milled rice of “Hwaseongbyeo”	Milled rice of “Daebo” (MT/ha)
Culture season	Region	No. of tested sites	(MT/ha)	’09	’10	’11	Mean	Index	Range

Ordinary planting	Middle plain area	1	5.09	7.17	4.66	5.88	5.90	116	4.66~7.17
	South Mid-mountainous	2	5.49	5.89	5.60	5.82	5.77	106	4.99~6.20
	East-south coastal area	1	5.09	6.76	5.79	5.69	6.08	119	5.69~6.76
	Yeonnam plain area	3	[5.50]z	6.29	5.82	5.88	6.00	109	5.46~7.41

	Mean	7	5.38	6.37	5.59	5.84	5.93**y	111	-

Double cropping	Yeongnam plain area	1	4.54	-	5.11	5.35	5.23nsy	114	-

Late planting	Honam plain area	1	3.66	-	4.51	4.75	4.63*y	121	-

Average of [Nampyeongbyeo]

Ordinary planting t=4.64**>t(_0.01, 6)=3.707, Double cropping t=9.28^ns>t(_0.05, 1)=12.706, Late planting t=13.17*>t(_0.05, 1)=12.706.

Table 15

Results of local adaptability test. (LAT: ’09~’11)

Culture season	Region	Location	Daebo								Hwaseongbyeo[Nampyeongbyeo]
			Heading Date				Milled rice (MT/ha)				Index				Milled rice (MT/ha)
			’09	’10	’11	Mean	’09	’10	’11	Mean	’09	’10	’11	Mean	’09	’10	’11	Mean

Ordinary planting	Middle plain area	Suweon	8.16	8.18	8.18	8.17	7.17	4.66	5.88	5.90	122	98	128	116	5.90	4.77	4.59	5.09

		Mean	8.16	8.18	8.18	8.17	7.17	4.66	5.88	4.90	122	98	128	116	5.90	4.77	4.59	5.09

	South mid-mountainous	Boun	8.14	8.11	8.9	8.11	5.80	4.99	5.49	5.43	104	109	108	107	5.60	4.58	5.09	5.09
		Andong	8.16	8.12	8.21	8.16	5.98	6.20	6.15	6.11	102	105	104	104	5.84	5.89	5.90	5.88

		Mean	8.15	8.12	8.15	8.14	5.89	5.60	5.82	5.77	103	107	106	106	5.72	5.24	5.50	5.49

	East-south coastal area	Yeongdeog	8.22	8.18	8.21	8.20	6.76	5.79	5.69	6.08	120	122	116	119	5.61	4.76	4.89	5.09

		Mean	8.22	8.18	8.21	8.20	6.76	5.79	5.69	6.08	120	122	116	119	5.61	4.76	4.89	5.09

	Yeongnam plain area	Milyang	8.18	8.13	8.10	8.13	5.46	5.68	5.74	5.63	94	107	107	103	[5.80]	[5.25]	[5.37]	[5.47]
		Sunsan	8.16	8.6	8.15	8.12	7.41	5.59	6.11	6.37	116	109	113	113	[6.40]	[5.13]	[5.41]	[5.65]
		Jinju	8.13	8.7	8.6	8.8	5.99	6.20	5.80	6.00	113	117	105	112	[5.31]	[5.31]	[5.54]	[5.39]

		Mean	8.16	8.9	8.10	8.11	6.29	5.82	5.88	6.00	108	111	108	109	[5.84]	[5.23]	[5.44]	[5.50]

	Mean		8.16	8.12	8.14	8.14	6.37	5.57	5.84	5.93	110	110	112	111	5.78	5.10	5.26	5.38

Double cropping	Yeongnam plain area	Milyang	-	8.21	8.25	8.23	-	5.11	5.35	5.23	-	114	114	114	-	4.49	4.58	4.54

Late Planting	Honam plain area	Iksan	-	8.24	8.27	8.26	-	4.51	4.75	4.63	-	123	118	121	-	3.66	4.02	3.84

Table 1 Heading date of ‘Daebo’. (LAT: ’09~’11)
z

( ) Nampyeongbyeo.

Table 2 Leaf and culm characteristics of ‘Daebo’. (NICS, Yeongdeog: ’09~’11)

Table 3 Characteristics of grain and panicle of ‘Daebo’. (NICS, Yeongdeog: ’09~’11)

Table 4 Yield components of ‘Daebo’. (NICS, Yeongdeog: ’09~’11)

Table 5 Milling property and grain quality of ‘Daebo’. (LAT: ’09~’11)

Table 6 Physicochemical properties related to eating quality of ‘Daebo’. (LAT: ’09~’11)

Table 7 Reaction to the environmental and physiological stress. (LAT: ’09~’11)
z

Cold tolerance was evaluated at Chuncheon Substation, a cold-water irrigated nursery.

Table 8 Lodging tolerance and its related characteristics. (LAT: ’11)
z

(Culm length + Panicle length) × Total fresh weight of plant/hill.

Table 9 Reaction to blast disease. (LAT: ’09~’11)
z

R: Resistant, M: Medium, S: Susceptible.

Table 10 Reaction of durable resistance to leaf blast disease. (LAT: ’11)

Table 11 Reaction to major diseases. (LAT: ’09~’11)
z

R: Resistant, S: Susceptible.

Table 12 Resistance to major insects. (LAT: ’09~’11)
z

S: Susceptible.

Table 13 Yield performance at replicated yield trial. (NICS Yeongdeog: ’07~’08)

Table 14 Summarized results of local adaptability test. (LAT: ’09~’11)
z

Average of [Nampyeongbyeo]

Ordinary planting t=4.64**>t(_0.01, 6)=3.707, Double cropping t=9.28^ns>t(_0.05, 1)=12.706, Late planting t=13.17*>t(_0.05, 1)=12.706.

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중생 최고품질 내병 내도복 다수성 신품종 벼 품종 ‘대보(大寶)’

A High Qualilty Rice Variety with Lodging Tolerance, ‘Daebo’

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