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.