2. Institutional Publications

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    Fruit set, fruit development and eruit drop in hard and soft flaked types of jack (Artocarpus heterophyllus Lam.)
    (Kerala Agricultural University, 1996) Tessy Joseph; Kumaran, K
    Studies on fruit set, fruit drop and fruit development in ' Varikka' and ' Koozha' types of jack (Artocarpus heteropkylhis Lam.) have indicated that the fruit set under natural condition was 83.335?,. The post-set drop ranged from 3040% in the two types studied. The peak period of drop was observed between the 60th and 80th day after emergence of the catkin. The time required for full development of fruit ranged from 100 to 138 days. Growth of fruit showed a sigmoid pattern, the rate being rapid up to the first 80 days and thereafter declined gradually The two types 'Varikka' and 'Koozha' did not vary significantly in any of the above characters.
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    Floral biology, fruitset and fruit development in sweet lovi-lovi (Flacourtia Cataphracta Roxb.)
    (Kerala Agricultural University, 1999) Sarah T George; Lila Mathew, K; Mridula, K R
    Sweet lovi-lovi, f'lacourtia cataphracta Roxb., is dioecious with male and female flowers borne on separate trees. The male tree flowers two weeks earlier than the female during October and the female in mid November. The flowers in male appear as axillary or terminal cymose clusters while those in female trees are in fascicles. In the male trees, 25 days are required for the complete flower development and in the female it takes 18-20 days. About 19 percent of pollen are viable with a maximum pollen germination of (80.7%) with pollen tube length of (132.6 jim) in 4 per cent sucrose + 0.25 per cent agar media. The fruit development from fruitsct requires 78-80 days. The fruits are harvested in February taking 98-100 days from flower initiation. The shelf life of the fruit is very low and proper harvesting methods and storage devices are required to prolong the shelflifeofihe fruits.