Annual Report 1961 - BEEP

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-13-M.134/32M.147/44M.31/45M.202/46M.93/48M.253/48Ebene 1/37Ebene 50/47H.3337B.34104H.37172Others% area cultivated by estates19 (2~)22 (19)5 (5)2 (-)I (-)I (-)24 (25)1 (-)7 (6)2 (2)12 (10)4 (8)The composition of plantations made in1961 (fig. 7) shows that M.147/44 is the leadingvariety at present. Of 15,450 arpents planted,30 % was established under this variety reachinga maximum in the north (55 %) and a minimumin the centre (9 %). Ebene 1/37 occupied 13%of all plantations and was the dominant varietyplanted in the central plateau. Varieties whichoccupied more than 10% of the area planted in1961 are M.202/46 and M .93/48, while thoseoccupying between 5 and 10% included B.3337,B.37172 and Ebene 50/47.Deviations from the average yield of caneper arpent for all estates of the island has beencalculated with the following results and areillustrated in fig. 8....z~ 3Cl:"" Cl: 2w0.wz+1U""z'"ọ...-I'"z o 2...> "" 3woNN
~ 14-Maincharacteristics of commercial caneM .134j32M.147j44M.31j45M.202j46Year of release% Area cultivated in 1961 (t)193719 i-v-1956.,., J...-- i1956519592 IOptimum range of altitude and rainfal1 ...Subhumidto humid< 800' < 80'Subhumidto humid< 800' < 80'Humid300' -800'60'- 80'HumidHabitSemi-erectSemi-erect;tends to lodgeSemi-erectSemi-erectRatooning capacityGoodExcel1entFairGood?Relative stalk diameterMediumThinMediumThickRelative arrowingMediumShyVery shyHeavyTrashingFreeClingingFreeFreeRelative sucrose contentMediumLowHighMediumMaturityMedium-lateEarlyMedium-lateMediumFibre contentLowHighMediumMediumReactions to :Cyelone damageSusceptibleVeryresistantSusceptibleVerysusceptibleDrought ...VeryresistantModeratelyresistantVerysusceptibleResistantStalk borer (ProcerasSacchariphagus)ModeratelyresistantModeratelyresistantVerysusceptibleModeratelyresistantRatoon stunting diseaseHighlysusceptibleModeratelysusceptibleSusceptibleSusceptibleChlorotic streakSusceptibleSusceptibleSusceptibleSusceptibleRed rotModeratelysusceptibleResistantResistantResistantFiji disease (Madagascar)Very highlysusceptibleSusceptibleHighlyresistant?~----(0) Recommended for release.declining;-A.Iincreasing;no change.
Page 2 and 3: MAURITIUS SUGAR INDUSTRYRESEARCHINS
Page 4 and 5: SUGAR MANUFACTUREI. The performance
Page 6 and 7: STAFFLISTDirectorAgronomistBotanist
Page 8 and 9: SPECIALSTUDIES FUNDThe Special Stud
Page 10 and 11: INTRODUCTIONTH E act i v it i e s o
Page 12 and 13: -11-Zlb"e, ~~J2<
Page 16: -15-varieties cultivated in Mauriti
Page 19 and 20: .. 18··the indications are that i
Page 21 and 22: -20is gratifying to find confirmati
Page 23 and 24: -~ 22--CANEDISEASESThe main patholo
Page 25 and 26: .- 24·-occupying intermediate posi
Page 27 and 28: -25-Average 1958-1961 (1960 exclude
Page 29 and 30: -27-The first results obtained from
Page 31 and 32: -29-have confirmed those obtained l
Page 33 and 34: -31-on vanous aspects of sugar manu
Page 35 and 36: -33-Some of the more important rece
Page 37 and 38: Fig 12. Top . Some of the se lf-sow
Page 39 and 40: -36 ---Table 2.Year1956195719581959
Page 41 and 42: -38-(ii)Transplantation of seedling
Page 43 and 44: -40--The efficiency of selection pr
Page 45 and 46: -42--Table 8.Distribution of trials
Page 47 and 48: -44-M.253/48 - This variety, derive
Page 49 and 50: -46 --The results for the aluminium
Page 51 and 52: -48-from moisture stress and leaves
Page 53 and 54: - 50A linear relationship was found
Page 55 and 56: F ig. 19 Dwarf or multiple bud dise
Page 57 and 58: -52-Table 14.Summary of results obt
Page 59 and 60: -54-Table 17. Nurseries established
Page 61 and 62: Fig . 2] .Perfect stage of the red
Page 63 and 64: -56-Several methods have been used.
Page 65 and 66:
-58-duties have been defined. The m
Page 67 and 68:
-60-664 flies, all in good state an
Page 69 and 70:
-61-(b)BiologyProgress was made wit
Page 71 and 72:
WEEDCONTROLE. ROCHECOUSTE1. HERBICI
Page 73 and 74:
-65-Table 20.Comparative efficacy o
Page 75 and 76:
CULTIVATION, IRRIGATION, CLIMATE1.
Page 77 and 78:
-69-cos cells at a depth of 6" indi
Page 79 and 80:
-71-It will be observed from the ab
Page 81 and 82:
:rwo.: 40~~a: . J S~X>""-c L JO2 52
Page 83 and 84:
-75-Table 28. Sucrose per cent cane
Page 85 and 86:
-- 77--Table 32. Syrup, massecuites
Page 87 and 88:
-79-A summary of the solids balance
Page 89 and 90:
-81-Non-sugars like silica, starch,
Page 91 and 92:
-83-Table 37.Comparison between Fil
Page 93 and 94:
Fig . 27. Isolates on osrnophilic a
Page 95 and 96:
-85--DOUWES OEKKER (1960) -- Report
Page 97 and 98:
-87-one calculated from the pol rea
Page 99 and 100:
-89~(b). THE DETER!\II\TATlO\T OF R
Page 101 and 102:
-91-The Brix of the cake is obtaine
Page 103 and 104:
-93-(SAINT ANTOINE, 1959) the 1st e
Page 105 and 106:
o..8584,.80"j::I BR E~i~c xn s-95 -
Page 107 and 108:
BY-PRODUCTS1. THE COMPOSITION OF SC
Page 109 and 110:
-99-impossible to obtain a reliable
Page 111 and 112:
-101--Fibre and insoluble carbohydr
Page 113 and 114:
-105-of research that could lead to
Page 115 and 116:
-104-REFERENCESABRAMS, J. T. (1961)
Page 117 and 118:
-107-MoistureProtein (N x 6.25)Fat
Page 119:
-109-ACKNOWLEDGMENTSExtraction of t
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Annual Report 1961 - BEEP

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