Genetic Gain Trend in Yield and Advanced Selection of Yayo Coffee (Coffea arabica L.) Land Race Collection

Table 10

The agronomic traits and disease reaction background of some selected coffee accessions.

Ser no.	Selected from set-II							Remark
	Accessions	CBD	CLR	Survival rate (%)	Vigor (1–5)	Stem charct.	Fruit
1	Y27	0.03	10.42	83.33	4	Stiff	MR	Compact, zigzag margin & medium leaf size, thin 1° primary branch & MD on one trees
2	Y9	0.17	3.00	100	4	Stiff	SR	High survival rate, low necking, resistance to CBD and CLR and vigor
3	Y44	3.14	4.5	85	5	Stiff	MR	Open, uniform, smooth margin & medium leaf, highly vigor and tall
4	Y48	5.19	5.83	100	5	Stiff	MR	Open, uniform and no necking, zigzag margin, narrow & small leaf, have many very interesting desirable traits and very high yield
5	Y45	1.87	14.17	66.7	4	Stiff	LR	Open, zigzag margin & medium leaf size, no necking, strong primary branch having many leaf to fruit ratio.
6	Y49	2.34	10.33	66.7	4	Stiff	MO	Open, uniform, low necking, highly resistant to CBD
7	Y36	7.86	1.83	83.33	4	Stiff	MO	Mid -compact, uniform and no necking at the middle and bottom canopy, zigzag margin, small and narrow leaf
8	Y1	4.40	11.67	83.33	4	Stiff	MR	Open, uniform smooth margin & medium leaf size, and vigor
9	Y30	8.36	3.33	100	4	Stiff	MO	Open, many no. of 2° branch, resistant to CLR
10	Y50	12.22	4.34	100	3	Stiff	MR	Zigzag margin& medium leaf, high survival rate and resistance to CLR
11	Y41	3.03	24.33	83.33	4	Stiff	SR	Mid-compact, uniform and no necking, zigzag margin small and narrow leaf
12	Y38	3.39	6.08	83.33	4	Stiff	MR	Resistance to CBD and CLR, vigor and uniform
13	Y61	5.08	7.67	100	4	Stiff	MO	Mid-open, uniform, medium necking and vigor, smooth margin and medium leaf size
14	Y4	7.71	16.00	100	4	Stiff	LR	Open, medium necking and very good in vigor, highly uniform, very long primary branch, zigzag margin and medium leaf size
Ser no.	Selected from Set-II							Remark
	Genotype	PCBD	PCLR	Survival rate (%)	Vigour (1–5)	Stem charct.	Fruit
15	Y83	0.64	1.33	83.33	3	Stiff		Highly resistance to CLR and CBD and vigor
16	Y73	0.07	3.33	100	4	Stiff	MR	Low necking, open growth habit with few primary and secondary branch and vigor
17	Y112	0.19	13.3	100	4	Flexible	LO	Mid-open, bending type above middle main stem, very low necking and uniform and large oblong fruit
18	Y96	1.72	8.00	80	4			Vigor, resistance to CBD and CLR
19	Y93	1.25	0.00	100	4	Flexible	SR	Compact, highly uniform, no necking, very high number of primary and leaf to fruit ratio, serrated, small and narrow leaf and small round fruit, highly resistant to CBD and CLR
20	Y105	0.75	0.83	83.33	3	Stiff		Stiff stem habit, uniform, relatively highly resistant to CBD and CLR

Note. vigour (1-poor, 2-fair, 3-good, 4-very good and 5-excellent), CLR-coffee leaf rust, CBD-coffee berry disease, fruit (MR-medium round, MO–medium oblong, LR-large round, LO- large oblong, SR-small round).