基于Lab表色系统的甜瓜果实颜色多样性分析

doi:10.16420/j.issn.0513-353x.2021-0601

摘要/Abstract

摘要：

从收集保存的种质资源中,选取466份甜瓜进行果实的8个质量性状和11个数量性状（17个指标）的遗传多样性分析,采用精密色差仪进行果皮底色、外果肉和内果肉颜色L、a和b值的测定,以期实现果实颜色的定量分析。结果表明3个质量性状和11个数量性状（17个指标）的多样性指数均大于1,表明所选的466份材料具有较高的遗传多样性;把甜瓜果实颜色用Lab值数字化衡量并通过Lab值进行颜色分类,克服了颜色描述不精准的弊端,实现了颜色的定量分析,为甜瓜育种果实颜色数字化描述奠定基础。

关键词: 甜瓜, 多样性, 颜色, Lab

Abstract:

The genetic diversity of eight qualitative traits and 11 quantitative traits（17 indicators）of 466 melon germplasm materials were analyzed,which were selected from collected and preserved resources by our research group. For the quantitative analysis of fruit color,the L、a and b values of the peel,the outer flesh and inner flesh were determined by precision colorimeter. The results showed that the diversity indexes of three quality traits and 11 quantitative traits（17 indexes）were higher than 1,which indicated that the 466 selected melon materials used in this experiment had high genetic diversity. In this study,melon fruits color were measured digitally by Lab values and color classification were carried out by Lab values,which overcame the disadvantage of inaccurate color description and realized the quantitative analysis of color. Finally this analysis lays the foundation of digital description of fruit color in melon breeding.

Key words: melon, diversity, color, Lab

中图分类号:

S652

任凯丽, 孔维萍, 唐桃霞, 程鸿. 基于Lab表色系统的甜瓜果实颜色多样性分析[J]. 园艺学报, 2022, 49(9): 2017-2022.

REN Kaili, KONG Weiping, TANG Taoxia, CHENG Hong. Diversity Analysis of Melon Fruit Color Based on the Lab System[J]. Acta Horticulturae Sinica, 2022, 49(9): 2017-2022.

图/表 6

参考文献 11

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部位 Location	Lab	白色White	浅黄Pale yellow	黄色 Yellow	橘黄Saffron yellow	浅绿Pale green	绿色Green	黄绿Yellow green	灰绿Greyish green	深绿Bottle green	墨绿Blackish green	橙色Orange
果皮 Peel	L	67	72	60	59	61	48	57	58	25	27	—
	a	-3	-6	-1	19	-16	-25	-5	-13	-17	-5	—
	b	19	58	59	64	40	37	49	25	24	6	—
果肉 Flesh	L	71	—	—	—	60	47	68	—	—	—	58
	a	-1	—	—	—	-18	-23	-16	—	—	—	17
	b	22	—	—	—	44	40	60	—	—	—	52

部位 Location	Lab	白色White	浅黄Pale yellow	黄色 Yellow	橘黄Saffron yellow	浅绿Pale green	绿色Green	黄绿Yellow green	灰绿Greyish green	深绿Bottle green	墨绿Blackish green	橙色Orange
果皮 Peel	L	67	72	60	59	61	48	57	58	25	27	—
	a	-3	-6	-1	19	-16	-25	-5	-13	-17	-5	—
	b	19	58	59	64	40	37	49	25	24	6	—
果肉 Flesh	L	71	—	—	—	60	47	68	—	—	—	58
	a	-1	—	—	—	-18	-23	-16	—	—	—	17
	b	22	—	—	—	44	40	60	—	—	—	52

性状 Trait	性状分级Character classification
性状 Trait	1	2	3	4	5	6	7	8	9	10
果面绒毛 Fruit surface villus	无 Without	有 Have
果面沟 Fruit surface ditch	无 Without	有 Have
果面棱 Fruit surface edge	无 Without	有 Have
果脐大小 Areola size	小 Small	中 Medium	大 Large
网纹密度 Density of checkered	无 Without	稀 Thin	密 Dense
果肉香气 Fruit aroma	无 Without	淡 Light	中 Medium	浓 Dense
果实风味 Fruit flavor	下 Down	中下 Middle down	中 Middle	中上 Middle up	上 Up
果实形状 Fruit shape	圆 Round	扁圆 Oblate	梨 Pear-shaped	卵圆 Ovalellipsoidal	倒卵 Obovate	椭圆 Ellipsoidal	瓶颈 Bottleneck	橄榄 Olive	圆柱 Cylindri-cal	棒 Rodlike

性状 Trait	性状分级Character classification
性状 Trait	1	2	3	4	5	6	7	8	9	10
果面绒毛 Fruit surface villus	无 Without	有 Have
果面沟 Fruit surface ditch	无 Without	有 Have
果面棱 Fruit surface edge	无 Without	有 Have
果脐大小 Areola size	小 Small	中 Medium	大 Large
网纹密度 Density of checkered	无 Without	稀 Thin	密 Dense
果肉香气 Fruit aroma	无 Without	淡 Light	中 Medium	浓 Dense
果实风味 Fruit flavor	下 Down	中下 Middle down	中 Middle	中上 Middle up	上 Up
果实形状 Fruit shape	圆 Round	扁圆 Oblate	梨 Pear-shaped	卵圆 Ovalellipsoidal	倒卵 Obovate	椭圆 Ellipsoidal	瓶颈 Bottleneck	橄榄 Olive	圆柱 Cylindri-cal	棒 Rodlike

性状 Trait	各级频率Frequency										多样性指数H’ Diversity index
性状 Trait	1	2	3	4	5	6	7	8	9	10	多样性指数H’ Diversity index
果面绒毛 Fruit surface villus	93.60	6.40									0.24
果面沟 Fruit surface ditch	82.70	17.30									0.46
果面棱 Fruit surface edge	93.60	6.40									0.24
果脐大小 Areola size	44.40	40.00	15.60								1.02
网纹密度 Density of checkered	83.30	5.00	11.70								0.55
果实香味 Fruit aroma	5.20	9.10	63.50	22.20							0.99
果实风味 Fruit flavor	0.40	2.50	51.30	33.90	11.90						1.05
果实形状 Fruit shape	28.40	7.60	8.70	16.40	20.70	9.40	0.00	1.30	0.00	7.40	1.86