A detailed study of the distribution of egg masses of Homalodisca vitripennis (Germar) and H. liturata Ball was done across a 2-yr period (2001-2003) on six host plants in southern California (Marsh grapefruit, Lisbon lemon, Washington navel, Dancy tangerine, rough lemon, and jojoba in Riverside; jojoba in Desert Center). The majority of egg masses in Riverside belonged to H. vitripennis (84-10...

to investigate flowering, fruitlet and fruit set in thomson navel orange and satsuma mandarin cv. miyagawa and sugiyama in climatic conditions of eastern mazandaran, an experiment was performed by combined analysis in randomized complete block design in three different orchards and in three consecutive years with five replications. number of flowers, fruitlets and fruits were recorded and later...

Pruning is one of the most manpower-consuming agricultural operations in citrus production. Mechanical pruning can help to reduce time and costs. In order obtain knowledge its effects on important orange variety “Navel Foyos”, several strategies that include manual various intensities mechanical were tested for three years. The results showed Foyos” oranges, did not affect yield nor size fruit ...