DB64/T 1881-2023 水稻原原种、原种繁育技术规程

ICS65.20.20

CCSB05

64

宁夏回族自治区地方标准

DB64/T1881—2023

水稻原原种、原种繁育技术规程

Technicalregulationsofbreedingofriceoriginalseedandoriginalseed

2023-03-24发布2023-06-24实施

宁夏回族自治区市场监督管理厅发布

DB64/T1881—2023

目次

前言..........................................................................III

1范围................................................................................1

2规范性引用文件......................................................................1

3术语和定义..........................................................................1

原原种theoriginalseed.......................................................1

原种elite.....................................................................1

4品种筛选与确定......................................................................1

原原种的筛选与确定..............................................................1

4.1.1品种筛选....................................................................1

4.1.2品种确定....................................................................1

原种的筛选与确立................................................................1

4.2.1品种筛选....................................................................2

4.2.2品种确定....................................................................2

5繁育田选择..........................................................................2

原原种繁育田选择................................................................2

原种繁育田选择..................................................................2

6原原种繁育技术......................................................................2

两圃法..........................................................................2

6.1.1选取单穗....................................................................3

6.1.2建立穗行圃..................................................................3

6.1.3育插秧栽培的穗系圃..........................................................3

株系圃法........................................................................4

6.2.1种源选择....................................................................4

6.2.2单株定植....................................................................4

6.2.3单株选择....................................................................4

6.2.4收获、脱粒与储存............................................................4

7原种繁育技术........................................................................4

机育机插法繁育原种..............................................................4

保墒旱直播法繁育原种............................................................5

精量穴直播法繁育原种............................................................5

分区种植........................................................................5

田间检验........................................................................5

收获与储存......................................................................5

8主要技术要点........................................................................5

育插秧栽培繁育原种主要技术要点..................................................5

8.1.1适时播种、合理密植..........................................................5

I

DB64/T1881—2023

8.1.2施肥.........................................................................5

8.1.3水层管理及水质要求...........................................................5

8.1.4病虫草害防治.................................................................5

保墒旱直播栽培繁育原种主要技术要点...............................................6

精量穴直播法繁育原种主要技术要点.................................................6

附录A（规范性）水稻田间记载项目和室内考种方法..................................1

A.1物候期...........................................................................1

A.2形态特征.........................................................................1

A.3生物学特性.......................................................................1

附录B（规范性）统计方法........................................................3

B.1有效穗...........................................................................3

B.2每穗总粒数..................................................................