Cultivation Practices of Seed Production of Often Cross Namely Cotton and Jawar

Cultivation Practices of Seed Production of Often Cross Namely Cotton and Jawar

Sr.No

Particulars of Cultivation Practices

Crop Cotton (High Yielding Varieties)

Crop Cotton Hybrid

1

Selection of land

Free from Wilt

Free from Wilt

2

Sowing Time

June ( Rainfed), Second fortnight of May and June ( Irrigated)

June ( Rainfed), Second fortnight of May and June ( Irrigated)

3

Sowing Method

Drilling

Dibbling

4

Spacing (cm)

Deshi 45 X22.5 , American 60X 30

Female 150 X 120 Male 90 X 60

5

Planting ratio- Female : Male

on Area basis 3/4 : 1/4 or 1/5:4/5

6

Seed rate (kg/ha)

Deshi-10-12 , American -8 to 10

Female -3.75, Male-2.75

7

Fertilizers doses (NPK kg/ha) with splitting of N except tur crop.

100:50:50 plus two foliar sprays of Urea /DAP (15-20 gms/lit. i.e 2% during boll formation.

100:50:50 plus two foliar sprays of Urea /DAP (15-20 gms/lit. i.e 2% during boll formation.

8

Isolation Distance (mtrs)

F-50, C-30 ( 5 mtrs between parents of hybrids and field of other varieties.

F-50, C-30 ( 5 mtrs between parents of hybrids and field of other varieties.

9

Field Inspection

2

4

10

Off Types(%)

F-0.10,C-0.20

F-0.10,C-0.50

11

Pollen shedders (%) When ms line s used

F-0.05,C-0.10

12

Objectionable Weeds(%)

Ranbhendi, Holley hock.

Ranbhendi, Holley hock.

13

Objectionable Disease (%)

14

Seed Yield ( Q/ha)

Seed cotton Deshi , seed cotton – 8 to 10 American 2 top 3 ,10 to 12

Seed cotton Deshi , seed cotton – 8 to 10 American 2 top 3 ,10 to 12

15

After Harvest Seed Moisture (%)

10

10

16

Germination (% ) minimum

65

65

17

Seed Borne Disease

18

Other Disease

Fusarium wilt, Antrac nose

Fusarium wilt, Antrac nose

19

Major Pests

Boll worms ( Pink, American and sported jassids and aphids, trips)

Boll worms ( Pink, American and sported jassids and aphids, trips)

20

Improved Varieties and Hybrids

Deshi-Y1,Savatra, American ,LRA5166, JLH168 ,Rajat,AKA5,AKA-4. Hybrids: HXH,H6,H10,NHH44,PKV hy4, HXB- NHB12, HXA -DH9.

Deshi-Y1,Savatra, American ,LRA5166, JLH168 ,Rajat,AKA5,AKA-4. Hybrids: HXH,H6,H10,NHH44,PKV hy4, HXB- NHB12, HXA -DH9.

 
Note:
Minimum pure seed ( 98%) and maximum inert matter (2%) is recommended as physical purity standards for all above crops Abbreviations used HYV- High yielding Varieties , HYB-High Yielding hybrids, F and C- Foundation and certified stage of seed production , K- kharif , R-Rabi, H-G hirsutum B-G barbadense H’G Herbaceum, A-G arboretum.

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