1.         How many sugarcane varieties are recommended for cultivation?

Ans.     38.

2.         What are the early maturing varieties of sugarcane?

Ans.     Early maturing varieties are-

Isd 16, Isd 21, Isd 22, Isd 24, Isd 26, Isd 30, Isd 33, Isd 35, Isd 36, Isd 37 and    Isd 38.

3.         What are the water logging tolerant varieties of sugarcane?

Ans.     Water logging tolerant varieties are-

            Isd 19, Isd 20, Isd 22, Isd 30, Isd 33, Isd 34, Isd 37 and Isd 38.         

4.         What are the drought tolerant varieties of sugarcane?

Ans.     Drought tolerant varieties are-

            Isd 20, Isd 22, Isd 32, Isd 33, Isd 35, Isd 36, Isd 37 and Isd 38.

5.         What are the flood tolerant varieties of sugarcane?

Ans.     Flood tolerant varieties are-

            Isd 2-54, LJC, Isd 20, Isd 21,  Isd 22, Isd 25, Isd 29, Isd 30, Isd 31, Isd 32, Isd 33, Isd 34, Isd 36, Isd 37 and Isd 38.

6.         What varieties are good for cultivation in charland?

Ans.     Varieties good for cultivation in charland are-

            Isd 20, Isd 22, Isd 25, Isd 31, Isd 32, Isd 36, Isd 37 and Isd 38.

7.         What varieties are good for ratooning?

Ans.     Varieties good for ratooning are-

            Isd 20, Isd 28, Isd 29, Isd 31, Isd 32, Isd 33, Isd 34 and Isd 38.

8.         What varieties are good for gur production?

Ans.     Varieties good for gur production are-

            Isd 16, Isd 22, Isd 24, Isd 26, Isd 27, Isd 34, Isd 36, Isd 37 and Isd 38.

9.         What are the late maturing varieties of sugarcane?

Ans.     Late maturing varieties are-

            Isd 2-54, LJC, Isd 20, Isd 26, Isd 34, Isd 36, Isd 37 and Isd 38.

10.       What varieties are good for chewing?

Ans.     Varieties good for chewing are-

            Isd 24, Amrita

11.       What varieties of sugarcane can be grown in saline areas?

Ans.     Salinity tolerant varieties are: Isd-2/54 and Isd 28

12.     What are the cultivation practices of sugarcane?

Ans.  Cultivation practices of sugarcane- (i) Conventional (ii) Spaced  transplanted technology (STP)

13.    Which one is the best cultivation practice?

Ans.  Spaced transplanted technology (STP)

14.       What is the appropriate time for sugarcane plantation?

Ans.     September-October.

15.       What is the appropriate age of sugarcane for using as seed material?

Ans.     8 to 9 months.

16.       When to use fertilizer after transplantation of sugarcane settlings?

Ans.     Within 7 to 14 days.

17.       How many irrigations is necessary for sugarcane?

Ans.     3 to 5.

18.       How many days of sugarcane field should be maintain weed free?

Ans.     120 to 135 days.

19.       How many month is needed for sugarcane maturity?

Ans.     12 to 15.

20.       What are the measures to be taken for high yield of sugarcane?

Ans.     Cultivating in high land; using recommended variety; early plantation; using recommended fertilizer dose; supplying irrigation; appropriate management and management of insect & disease pest.

21.       What are the essential qualities of good seed of sugarcane?

Ans.     Straight and standing, no side shooting, should be certified with good germination capability and free of insect & diseases.

22.       What are the benefits of paired row cultivation?

Ans.     Two grow more than one intercrop, to earn more income within the same land and to generate more scope of utilizing labour force.

23.       What are the benefits of detrashing sugarcane?

Ans.     It increases sugar recovery by reducing insect & disease pests.

24.       What type of soil is suitable for growing sugarcane?

Ans.     Sandy loam to Clay loam soils.

25.       How can we conserve our soil fertility?

Ans.     Integrated management with organic manure and inorganic fertilizers.

26.       How much soil organic matter is necessary for higher sugarcane yield?

Ans.     2-3% soil organic matter.

27.       How can we satisfy higher nutritional demand of sugarcane?

Ans.     Ensure application of balanced fertilization with recommended doses of fertilizers.

28.       What fertilizers are frequently used for sugarcane cultivation?

Ans.     Urea, Triple Super Phosphate, Muriate of Potash, Gypsum and Zinc Sulphate.

29.       What amount of nitrogen, phosphorus and potassium uptake for one ton sugarcane yield from soil?

Ans.     1.40 kg nitrogen, 0.25 kg phosphorus and 3.25 kg potassium per hectare.

30.       How much of additional urea is needed for ratoon sugarcane?

Ans.     87 kg of additional urea per hectare is needed with recommended dose of fertilizer for ratoon sugarcane.

31.       What are the major diseases of sugarcane in Bangladesh?

Ans.     Red rot, wilt, smut, white leaf, pineapple disease, ratoon stunting disease, top rot and mosaic.

32.       What are the control measures of red rot disease?

Ans.     i) Use of red rot resistant varieties of sugarcane (Isd 2/54, Isd 19, Isd 20, Isd 32, Isd 33, Isd 34, Isd 35, Isd 36, Isd 37 and Isd 38).

            ii) Use of disease free clean seed and clean cultivation.

33.       What are the control measures of smut, white leaf and ratoon stunting diseases?

Ans.     i) Sugarcane seed (setts) is to be treated with moist hot air at 54⁰C for 4 hrs or in hot water at 50⁰C for 3 hrs.

            ii) Rogue out of infected clumps.

34.       How pineapple disease could be controlled?

Ans.     Sugarcane sett is to be treated in 0.1% Bavistin 50WP/Knowin 50WP/ Genuine 50WP or in similar Carbendazim group of fungicide for 30 minutes before planting.

35.       How many diseases of sugarcane have been identified so far in Bangladesh?

Ans.     About 40 disease of sugarcane have been identified so far.

36.       What is the average loss of sugarcane due to diseases in Bangladesh?

Ans.     The average loss is about 20-22%.

37.       How many insects damages sugarcane?

Ans.     70 insects.

38.       What are the major damaging insects?

Ans.     a) Early shoot borer

            b) Top shoot borer

            c) Stem borer

            d) Root stack borer

            e) White grub

39.       What are the major beneficiary insects of sugarcane?

Ans.     a) Trichogramma chilonis Ishii

            b) Telenomus dignoides Nixon

 40.       What are the control measures of insects?

Ans.     a) Using resistant variety

            b) Cultural control

            c) Mechanical control

            d) Biological control

            e) Chemical control

41.       How much juice extraction capacity of BSRI Sugarcane crusher?

Ans. Juice extraction capacity of BSRI Sugarcane crusher is ranges from 52% to 62% depending on variety and harvesting period.

42.       What is the price of BSRI Sugarcane crusher?

Ans.     The price of BSRI Sugarcane crusher is about 100,000.00 (one lakh) taka.

43.       What is the discharge capacity of BSRI pedal pump?

Ans.     Discharge capacity of BSRI pedal pump is 60 to 100 litre per minute.

44.       How much land can be irrigated per man per day?

Ans.     About 50 decimal land can be irrigated per man per day.

45.       What is the price of bud chip cutting Machine?

Ans.     The price of Bud chip cutting Machine is about Tk. 4000.00

46.       How many labours are required to cut Bud chip of one hectare?

Ans.     It required 3 to 5 labourers to cut Bud chip as seed material of one hectare.

47.       What is the cutting depth and width of trench made by BSRI trencher?

Ans.     Twelve to fourteen cm in depth and twenty five cm in width is cutting depth of trench made by the trencher.