NDLI: Effect of moisture stress at different stages of crop growth in certain cluster bean (Cyamopsis tetragonoloba (L) Taub) cultivars.

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Effect of moisture stress at different stages of crop growth in certain cluster bean (Cyamopsis tetragonoloba (L) Taub) cultivars.

Content Provider	KrishiKosh-Indian National Agricultural Research System
Advisor	Hari, Babu K.
Researcher	Syam, Sundar Reddy P.
Abstract	e,Tirupati tostudythe effect of moisturestress atdifferent stages of cropgrowthinclusterbean during thesummerseason of 1998.Thetrialwas carried out. in a factorial RBD with four stress treatments Viz., stress at vegetativestage(T3),stressatfloweringstage(T3),stressatpoddevelopment stage(land stressfreecontrol (T1)andfourcultivarsviz., PusaNaubahar (VI), Pusa Sadabahar(V2), Super-501 (V3) and Navchetana (V4) with three replications. Vegetative growth parameters like plant height, number ofprimary branchesperplant andtotaldrymatterperplant weresignificantlyreduced duetomoisturestressatvegetativestagefollowed byfloweringstage.when comparedwithcontrol.AmongthecultivarsPusaNaubaharrecordedhighest plantheight(185.74cm)atharvest,whileSuper501.recordedlowestvalues fortheseparameters.PusaSadabaharrecordedhighestnumberofprimary branchesperplant(1156)andtotaldrymatterperplant(126.20g). Moisturestressatï¬‚oweringstageresultedinsigniï¬ cantlyhighestï¬‚ower drop(55.45%)andlowestpodset(41.65%)comparedwithcontrolinallthe cultivars.Bestamongcultivars,Super501seemstobelessaffected.Moisture stressatvegetativestageadvancedthedaysto50percent ï¬‚owering(30.66 days)asagainstcontrol(34.11days).Regardingyieldattributes,stressatpod deVelopmentstagefollowedbyï¬‚oweringstagewasmoredetrimental,reducing podspercluster(61.8)andseedsperpod(6.25).Totalpodyieldswerelowest (144.25q.ha'1)intheplantsreceivingstressatï¬‚oweringstagefollowedbypod developmentstage(146.34q.haâ€˜1).However,stressatvegetativestage(150.32 qha'lv)hadverylittleeffectontotalpodyieldcomparedwithcontrol(154.71 q.ha'1). Amongthe cultivars Super 501 (156.54 q.ha'1) andPusaNaubahar (153.10q.ha'1)showedsuperiorvaluesforpodyieldwhileNavchetana(136.53 q.ha'1)wasinferiorandPusaSadabahar(149.45q.haâ€˜1)wasintermediate. PhysiologicalparameterslikeleafRWCandstomatalconductancevalues signiï¬ cantlydecreased attheendofstressatallthestagesandcultivars. while'prolinecontentandleaftemperaturesincreasedunderstressinallthe cultivarsduringstress. Regardingbiochemicalparametersinpodsstress atpoddevelopment stage signiï¬ cantlyreduced the pod proteincontent(361%),whereas crude ï¬ brecontent(2.73%)wasincreasedinallthecultivars.Amongthecultivars Super501recordedhigherpodprotein(3.93%)andlowercrudefibrecontent (2.24%)understress. Itcanbeconcludedthatstressatï¬‚oweringstagewasmoredetrimentalfortotalpodyields. ClusterbeancultivarsSuper501 andPusaNaubahar wouldbesuitableforcultivationâ€˜undermoisturestressconditionsandhigh temperatures.Resultsneedconï¬ rmationandfurthertrials.
Page Count	133
File Size	6449608
File Format	PDF
Language	English
Publisher	Professor Jayashankar Telangana State Agricultural University
Access Restriction	Open
Subject Keyword	Effect Moisture Stress Different Stages Crop Growth Certain Cluster Bean (cyamopsis Tetragonoloba (l) Taub) Cultivars. Horticulture
Content Type	Text
Educational Degree	Master of Science (M.Sc.)
Resource Type	Thesis

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