| 2,4-D |
|
2 |
| abiotic stresses (general) |
|
3 |
| allelopathy |
|
13 |
| Alternaria black molds / stem cankers |
Alternaria spp. |
6 |
| aphid |
Acyrthosiphon lactucae |
3 |
| aster yellows phytoplasma |
Candidatus Phytoplasma asteris |
2 |
| benefin |
|
2 |
| Bidens Mottle Virus |
Potyvirus BiMoV |
2 |
| calcium deficiency |
|
1 |
| Cercospora fungi |
Cercospora spp. |
1 |
| cold injury (low temperature) |
|
7 |
| downy mildew |
Bremia lactucae |
27 |
| false chinch bug |
Nysius raphanus |
1 |
| fertigation |
|
1 |
| field preparation |
|
5 |
| herbicides (general) |
|
6 |
| high soluble salts |
|
7 |
| Indian peafowl |
Pavo cristatus |
1 |
| karnal bunt |
Tilletia indica |
1 |
| lettuce |
Lactuca sativa |
92 |
| lettuce |
Lactuca spp. |
1 |
| lettuce aphid |
Nasonovia ribisnigri |
5 |
| Lettuce Chlorosis Virus |
Crinivirus LCV |
19 |
| Lettuce Infectious Yellows Virus |
Crinivirus LIYV |
2 |
| Mirafiori Lettuce Big-vein Virus |
Ophiovirus MiLBVV |
16 |
| mule deer |
Odocoileus hemionus |
2 |
| northern root-knot nematode |
Meloidogyne hapla |
1 |
| palestriped flea beetle |
Systena blanda |
3 |
| pea aphid |
Acyrthosiphon pisum |
3 |
| pea leafminer |
Liriomyza huidobrensis |
10 |
| people |
|
6 |
| pesticides |
|
1 |
| phytoplasma (general) |
Phytoplasma |
4 |
| Plectosporium blight |
Plectosporium tabacinum |
1 |
| pocket gophers |
|
1 |
| potato aphid |
Macrosiphum euphorbiae |
2 |
| rabbit |
|
1 |
| Rhizoctonia damping-off, blight and rot |
Rhizoctonia solani |
9 |
| romaine lettuce |
Lactuca sativa var. longifolia |
6 |
| root-knot nematode |
Meloidogyne incognita |
1 |
| Sclerotinia rot |
Sclerotinia sclerotiorum |
10 |
| Sclerotinia rots |
Sclerotinia spp. |
1 |
| seedlings |
|
4 |
| thinning (stand) |
|
1 |
| three-lined Lema beetle |
Lema trivittata |
1 |
| Tomato Spotted Wilt Virus |
Tospovirus TSWV |
1 |
| western flower thrips |
Frankliniella occidentalis |
1 |
| whitefly |
Bemisia tabaci Biotype Q |
1 |
| wind |
|
2 |
| X-disease |
Phytoplasma MLO |
1 |
