柑橘不同类型砧木的种子和苗期性状

朱世平,王福生,陈娇,余歆,余洪,罗国涛,胡洲,冯锦英,赵晓春,洪棋斌

Seed Traits and Seedling Performances of Different Types of Citrus Rootstock

ShiPing ZHU,FuSheng WANG,Jiao CHEN,Xin YU,Hong YU,GuoTao LUO,Zhou HU,JinYing FENG,XiaoChun ZHAO,QiBin HONG

表1 不同砧木种质种子性状指标2013—2017年的5年平均值

Table 1 Summary of 5 years’ (2013-2017) average value of parameters for seed characteristics of different rootstock germplasms

类型 Type	数量 No.	单果种子数 Seed No.per fruit (Seed/fruit)	千粒重 1000-grain weight (g)	饱满度比例 Plumpness (%)	单胚比例 Monoembryo rate (%)	多胚比例 Polyembryo rate (%)	胚型比例 Embryo type (%)
枳 Poncirus trifoliata	47	20-44,多核 Multinuclear	141.6-266.2	饱满 Full,74.5	5.2-99.6	0.4-94.8	单胚 Mono embryo,4.3
枳 Poncirus trifoliata				一般 Common,25.5			多胚 Poly embryo,2.1
							混胚 Mixed embryo,93.6
枳杂种 Poncirus hybrids	10	8-33,较多核 Multiple nuclei,多核 Multinuclear	135.7-239	饱满 Full,60	0-87.5	12.5-100	多胚 Poly embryo,50
枳杂种 Poncirus hybrids				一般 Common,40			混胚 Mixed embryo,50
香橙 C. junos	12	12-36,较多核 Multiple nuclei,多核 Multinuclear	147.3-223.3	饱满 Full,75	0-26.3	73.8-100	多胚 Poly embryo,58.3
香橙 C. junos				一般 Common,25			混胚 Mixed embryo,41.7
宽皮柑橘 C. reticulata	27	4-62,少核 Few nuclei,较多核 Multiple nuclei,多核 Multinuclear	55-391	饱满 Full,11.11	0-99.5	0.5-100	多胚 Poly embryo,81.5
宽皮柑橘 C. reticulata				一般 Common,62.96			混胚 Mixed embryo,11.1
				不饱满 Not full,25.93			单胚Mono embryo,7.4