Howard Thomas publications per year

The chart shows the history of publications by Howard Thomas between 1964 and 2022, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Howard Thomas published across 59 years, from 1964 to 2022, averaging 3.2 papers a year. Output peaked at 10 publications in 1997. 6 of the 188 publications appeared in the last two years.

No. of publications

2 4 6 8 10

1964 2022

188 publications in total across all disciplines

View publications per year as a table

Howard Thomas: publications per year, 1964 to 2022
Year	Publications
1964	1
1965	0
1966	0
1967	0
1968	0
1969	0
1970	0
1971	0
1972	1
1973	3
1974	1
1975	3
1976	1
1977	2
1978	1
1979	0
1980	3
1981	0
1982	4
1983	3
1984	3
1985	4
1986	5
1987	5
1988	6
1989	5
1990	7
1991	0
1992	4
1993	8
1994	4
1995	7
1996	6
1997	10
1998	3
1999	5
2000	6
2001	6
2002	3
2003	4
2004	4
2005	5
2006	2
2007	5
2008	7
2009	7
2010	3
2011	1
2012	0
2013	2
2014	8
2015	6
2016	4
2017	2
2018	0
2019	2
2020	0
2021	4
2022	2
Total	188

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Howard Thomas publication distribution in Plant Science and Agronomy in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Plant Science and Agronomy in 2026. The highlighted bar marks where Howard Thomas sits on this spectrum.

No. of scientists

50 100 150 200 250

36–40 publications 467+

This scientist: 155 publications — 60th percentile

60% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 467 publications or more.

View publications distribution as a table

Number of Plant Science and Agronomy scientists by publication count, Research.com 2026 ranking edition. Based on 6,494 ranked scientists.
Publications	Scientists	This scientist
36–40	2
41–45	7
46–50	40
51–55	58
56–60	60
61–65	107
66–70	130
71–75	153
76–80	191
81–85	199
86–90	206
91–95	218
96–100	226
101–105	227
106–110	247
111–115	255
116–120	253
121–125	233
126–130	219
131–135	201
136–140	194
141–145	176
146–150	157
151–155	147	155
156–160	151
161–165	159
166–170	137
171–175	128
176–180	126
181–185	98
186–190	114
191–195	100
196–200	90
201–205	71
206–210	98
211–215	70
216–220	86
221–225	61
226–230	58
231–235	53
236–240	64
241–245	39
246–250	46
251–255	51
256–260	36
261–265	44
266–270	35
271–275	30
276–280	33
281–285	35
286–290	36
291–295	26
296–300	26
301–305	31
306–310	30
311–315	21
316–320	29
321–325	14
326–330	15
331–335	15
336–340	17
341–345	15
346–350	12
351–355	17
356–360	18
361–365	12
366–370	11
371–375	6
376–380	6
381–385	11
386–390	9
391–395	10
396–400	8
401–405	4
406–410	9
411–415	11
416–420	4
421–425	7
426–430	4
431–435	3
436–440	5
441–445	8
446–450	6
451–455	7
456–460	5
461–465	6
466	2
467+	99

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Howard Thomas D-index placement in Plant Science and Agronomy in 2026

The chart shows the D-index (discipline H-index) distribution of Plant Science and Agronomy scientists ranked by Research.com in 2026. The highlighted bar marks where Howard Thomas sits on this spectrum.

No. of scientists

50 100 150 200 250

30 D-Index 109+

This scientist: 62 D-Index — 84th percentile

84% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 109 D-Index or more.

View D-Index distribution as a table

Number of Plant Science and Agronomy scientists by D-index, Research.com 2026 ranking edition. Based on 6,494 ranked scientists.
D-Index	Scientists	This scientist
30	200
31	236
32	253
33	283
34	288
35	240
36	246
37	243
38	247
39	229
40	232
41	230
42	228
43	219
44	193
45	164
46	158
47	143
48	131
49	127
50	122
51	122
52	110
53	102
54	98
55	79
56	85
57	88
58	91
59	62
60	61
61	59
62	54	62
63	61
64	59
65	58
66	41
67	49
68	39
69	32
70	40
71	47
72	38
73	28
74	29
75	28
76	22
77	21
78	25
79	26
80	19
81	16
82	12
83	16
84	14
85	11
86	17
87	13
88	10
89	12
90	18
91	16
92	16
93	17
94	12
95	8
96	9
97	9
98	11
99	12
100	5
101	8
102	4
103	11
104	5
105	9
106	7
107	4
108	8
109+	99

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Best Publications

Five ways to stay green.

Howard Thomas;Catherine J. Howarth

1085
Citations
BRINGING MEDICINAL PLANTS INTO CULTIVATION: OPPORTUNITIES AND CHALLENGES FOR BIOTECHNOLOGY

Peter H. Canter;Howard Thomas;Edzard Ernst

702
Citations
Senescence, ageing and death of the whole plant

Howard Thomas

640
Citations
Crops that stay green

Howard Thomas;Catherine M Smart

571
Citations
Leaf Senescence

Unknown

568
Citations
The stay-green trait

Howard Thomas;Helen Joan Ougham

513
Citations
Chlorophyll Breakdown in Senescent Leaves.

Philippe Matile;Stefan Hortensteiner;Howard Thomas;Bernhard Krautler

468
Citations
CHLOROPHYLL DEGRADATION.

Unknown

398
Citations
Defining senescence and death

Howard Thomas;Helen J. Ougham;Carol Wagstaff;Anthony D. Stead

375
Citations
Markers and mapping: we are all geneticists now

Neil Jones;Helen Ougham;Howard Thomas

334
Citations
Unravelling the evolution of autumn colours: an interdisciplinary approach

Marco Archetti;Thomas F. Döring;Snorre B. Hagen;Nicole M. Hughes

276
Citations
Cross-species identification of Mendel's I locus.

Ian Armstead;Iain Donnison;Sylvain Aubry;John Harper

237
Citations
Crop Photosynthesis: Spatial and Temporal Determinants

N. R. Baker;Howard Thomas

227
Citations
Markers and mapping revisited: finding your gene

Neil Jones;Helen Ougham;Howard Thomas;Izolda Pašakinskienė

224
Citations
The timing of maize leaf senescence and characterisation of senescence-related cDNAs

Catherine M. Smart;Sally E. Hosken;Howard Thomas;John A. Greaves

223
Citations
Chlorophyll Breakdown in Senescent Chloroplasts (Cleavage of Pheophorbide a in Two Enzymic Steps).

S. Rodoni;W. Muhlecker;M. Anderl;B. Krautler

216
Citations
Chlorophyll breakdown in senescent leaves: identification of the biochemical lesion in a stay-green genotype of Festuca pratensis Huds.

Fabrizio Vicentini;Stefan Hörtensteiner;Maya Schellenberg;Howard Thomas

193
Citations
Enzymes of nitrogen mobilization in detached leaves of Lolium temulentum during senescence.

Howard Thomas

179
Citations
Separation of Chlorophyll Degradation from Other Senescence Processes in Leaves of a Mutant Genotype of Meadow Fescue (Festuca pratensis L.)

Howard Thomas;John L. Stoddart

173
Citations
Sid: a Mendelian locus controlling thylakoid membrane disassembly in senescing leaves of Festuca pratensis.

H. Thomas

168
Citations