Table 1 Effective dose of d-tagatose on various diseases caused by different pathogens on different host plants in pot and field trials.

From: The rare sugar d-tagatose protects plants from downy mildews and is a safe fungicidal agrochemical

Class

Disease

Pathogen

Host

Effecive Dose (%)a

Reference

Pot trials

Field trials

Oomycetes

Downy mildew

Plasmopara viticola

Grapevine

1

3

44,50

Pseudoperonospora cubensis

Cucumber

0.5

0.5

44,50, this study

Hyaloperonospora parasitica (syn. H. brassicae)

Chinese cabbage

nt.

1

This study

Hyaloperonospora parasitica (syn. H. brassicae)

Cabbege

1

nt.

44,50

Peronospora destructor

Onion

nt.

1

This study

Peronospora farinosa f. sp. spinaciae

Spinach

nt.

1

This study

Damping off

Pythium aphanidermatum

Cucumber

1

nt.

44

Seedling blight

Pythium graminicola

Rice

1

1

44

Late blight

Phytophthora infestans

Tomato

10

nt.

44

Phytophthora infestans

Potato

nt.

5

This study

Ascomycetes

Powdery mildew

Erysiphe necator

Grapevine

0.5

nt.

50

Podosphaera xanthii

Cucumber

0.5

0.5

44,50

Podosphaera leucotricha

Apple

0.5

nt.

50

Podosphaera aphanis

Strawberry

nt.

1

This study

Sphaerotheca fuliginea

Eggplant

0.5

0.5

50

Oidium violae

Tomato

0.5

nt.

50

Oidiopsis sicula

Pepper

0.5

1

50

Blumeria graminis f. sp. hordei

Barley

1

nt.

50

Gray mold

Botrytis cinerea

Tomato

>5

nt.

44

Alternaria sooty spot

Alternaria brassicicola

Cabbege

>5

nt.

This study

Brown spot

Cochliobolus miyabeanus

Rice

>5

nt.

This study

Anthracnose

Colletotrichum orbiculare

Cucumber

>5

nt.

This study

Blast

Pyricularia oryzae (syn. Magnaporthe oryzae)

Rice

5

nt.

44

Basidiomycetes

Brown rust

Puccinia recondita

Wheat

5

5

44

Sheath blight

Rhizoctonia solani AG-1 IA

Rice

>5

nt.

This study

  1. Experiments are described in Supplementary Tables 1 and 2.
  2. nt. not tested.
  3. aEffective dose is concentration (w/v) of d-tagatose that provides an expected disease control value of more than 50% against disease after mock treatment (untreated) based on disease severity.