Collection of Laws for Electronic Access
YH
KENYA
[Subsidiary]
FOURTH SCHEDULE—(Contd.)
ADDITIONAL FIELD STANDARDS—(Contd.)
Black leg (Erwinia spp)
Severe virus disease (leafroll, Y-group virus, severe mosaic)
Mild mosaic visible in the field
Fusarium wilt, Verticillium wilt
Nematodes (Meloidogyne spp. and Ditylechus)
SS
0
2
0
0
0
PB
0
4
5
1
0
B
0
5
10
2
2
CI
0
10
13
—
—
C2
—
1
15
3
3
3. Inspection shall be done for the following weeds:
Crop
Wheat
Barley
Oats
Triticale
Weed
Wild Oats (Avena fatua)
Avena sterilis (Avena ludoviciana)
Thorn apple (Datura stramonium)
Tolerance
Nil
Nil
Nil
For tolerance of other weeds see 1 of this table.
KEY:
† No roguing
‡ Roguing is notifiable
§ No roguing on disease
4. Hybrid Seed Production
(1) Maize:
Detasselling of female plants shall be inspected at least 3 times during tasselling period.
(i) If 1% or more of the female plants posses receptive silks and more than 1 per 100 of them
are shedding pollen at any one inspection, visit or more than 2 per 100 cumulatively during 3 days
of inspection (3 inspection visits) then the crop shall be rejected.
(ii) The neighbouring seed crop adjacent to a rejected seed shall also be rejected if:
(a) The female plants shedding pollen in the rejected field exceeds either 2 per 100 on any
one inspection or 4 per 100 on a combination of 3 visits.
(b) The failed crop shall have more than 2 per 1,000 off-type plants in its pollen parent.
(c) The rejected neighbouring crop has more than 4 smutted plants per hectare.
(iii) The neighbouring seed crop adjacent to a rejected crop shall not be rejected if isolation is
in accordance with these regulations.
(iv) All seed fields shall have eight guard rows round the seed field.
(2) Sunflower:
When 2% (basic and above) and 5% (certified) of the female plants have pollen receptive
flowers, there should not be more than the number of off-type plant stated in the schedule and also
KE011EN
Plant Variety, Regulations (Ch. 326), 01/01/1975 (1991)
page 22/53