Biennial bearing

The alternate bearing in mango trees as well as in other fruit species is a main concern for orchard profitability. Alternate bearing in mango appeared to be related to complex relationships between vegetative and reproductive growths and it is varied according to the cultivar. Flowering is the main event that set the stage for mango production each year. For the attaining the fruit flower initiation is very important and it is very complex phenomena in mango. In mango trees flowering is make them especially challenging for physiologists, breeders, and growers.

6p caygaocaolon6 30-07-2020 4 1   Download

Alternate bearing is a wide spread phenomenon in many fruit tree species and cause severe labour, marketing and economical problem. The term “alternate or biennial” bearing designate the production of a heavy fruit crop “On” year followed by a light fruit crop or trees may not bear a crop at all the next “Off” year. Alternate bearing is a widespread problem for growers of fruit trees, occurring in both evergreen and deciduous trees. It is more pronounced in old productive trees (more than 10 years) in comparison with the young productive trees (about 3-5 years).

17p trinhthamhodang1213 02-06-2020 17 1   Download

The transition from vegetative to floral state in shoot apical meristems (SAM) is a key event in plant development and is of crucial importance for reproductive success. In perennial plants, this event is recurrent during tree life and subject to both within-tree and between-years heterogeneity.

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The ability to produce crops throughout the entire year is of great interest for mango production under sub-tropical and semi-arid conditions. The biennial bearing is very serious problem in north, east and central Indian commercial cultivars, while most of the south Indian varieties bear regularly. Therefore, application of cultar is most widely studied in view of its high potential for controlling plant growth and development of fruit crops in general and mango production in particular. It is applied either in the soil or as foliar spray in the September-November.

11p kethamoi4 16-04-2020 8 1   Download