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20201
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Subject: Horticulture × Author: BARUAH, ROCKTIM × Type: Thesis ×
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    ThesisItemOpen Access
    GROWTH PERFORMANCE OF SOME GLADIOLUS CULTIVARS IN PAIRED ROW SYSTEM
    (AAU, Jorhat, 2020-10) BARUAH, ROCKTIM; Bora, Sunil
    A field experiment entitled “Growth performance of some gladiolus cultivars in paired row system” was undertaken with the objectives to study the performance of gladiolus cultivars in paired row system, to find out the suitable cultivars of gladiolus for cut flower production, to study the multiplication behavior of the cultivars under study and to evaluate the economics of cultivation. To achieve these objectives, seven treatments or cultivars (Friendship, Candyman, White Prosperity, Novalux, Priscilla, Summer Sunshine and Dull Queen) were considered and the trial was carried out at the Experimental Farm, Department of Horticulture, Assam Agricultural University during 2019-2020. Different characters relating to vegetative growth, flower and corm and cormel were assessed to identify suitable cultivars under paired row system. The cultivars White Prosperity, Novalux and Candyman were better performers during the vegetative phase where White Prosperity was superior in early shoot emergence (5.566 days) and plant height (160.620 cm), Novalux was superior in shoots per corm (1.867) and Candyman in terms of number of leaves (8.33). In respect to flower characters, variety Priscilla performed better in terms of early spiking (65.33 days) and first floret opening (78.55 days), spikes per corm (1.733), self life (15.267 days) and vase life (10.733 days). While White Prosperity was superior in certain critical flower characters like florets per spike(16.400) and florets open at once(6.733), rachis(81.827 cm) and spike length(103.587 cm) and size of florets(10.673 cm). The multiplication of corms (2.400) and cormels (47.267) was highest in Dull Queen while size of corm (9.060 cm) and weight of corm (212.133 g) and cormels (20.091 g) was highest in Novalux variety. In the economic aspect, Priscilla cultivar showed good remunerative quality with highest BC ratio (1:2.4). Hence cultivars White Prosperity, Priscilla and Novalux can be concluded as suitable varieties for cultivation under paired row system.