Evaluation of saline selected tomato somaclones cv improved pope under different levels of salinity.
1996
Faustino F.C. | Agtarap M.L. | Balatero C.H.
Significant varietal differences were observed in yield per plant or yield per pot, fruit weight, number of fruits/plant, fruit set and total soluble solids (TSS). Under normal conditions, somaclones produced more fruits than IP [improved pope] and AP [Apollo], 235 percent and 80 percent increases, respectively; higher yield by about 96 percent and 37 percent, respectively but gave lower weight per fruit than IP and AP by 17 percent and 24 percent respectively. At moderate salinity, no significant effects of salt on the measured parameters were observed except in S1T10. At high salinity however, significant yield reductions were observed, 40 percent over that of control. Fruit yields were not significantly different among the 5 varieties. Number of fruits was not affected by salinity. Fruit number was 73 percent higher in the somaclones than the check varieties. Salinity reduced fruit weight by about 18 percent. Fruit weight between the somaclones and the check varieties differed by 16 percent. Salt appeared to enhance fruit set in tomatoes; S2T44 had a significant increase in fruit set by 58 percent over the control. Across salinity levels, the somaclones were not significantly different from IP in fruit setting ability but were 44 percent better than that of AP. The presence of salt also improved the quality of fruits; TSS increased by 11 percent in the somaclones and 16 percent in the check varieties. Total acidity was not affected by salt except for Apollo which showed an increase of 47 percent over that of control. Salinity x variety interaction was not significant.
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