Author(s):

DA Mutkule, RA Jadhav and AM Khobragade

Abstract: An experiment was carried out in factorial randomized block design with three replication and eight treatments. The two varieties of tomato <em>viz.</em> Phule raja and PKM-1 were planted with four different dates of sowing D₁-1^stSeptember (35-MW), D₂-15^th September (37- MW), D₃-30^th September (39- MW) and D₄-14^thOctober (41- MW) during 2014-15 at VNMKV Parbhani. The influence of thermal regimes and phenology were studied in tomato with different dates of sowing. Among the different thermal regimes on phenology of tomato the significantly less days of flowering (35) and maximum days to flowering (58), days to first maturity (94) and days to end of first harvest (110) were recorded in second date of sowing (D₂) as compare to other treatments. In case of different thermal regimes on mean maximum and minimum air temperature at different stages of phenophase, D₂ (15^th September) period found congenial condition for getting maximum fruit yield in Phule raja (411.10q/ha) as compared to PKM-1(369.44 q/ha). It is also confirmed that correlation between fruit yield and weather, the phenophase (P₁) was positively correlated with RH-I, RH-Mean and rainfall. Whereas, fruit yield was noticed positive correlation in phenophase P₂

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