Seyidov A. Scientific foundations of Castanеa sativa Mill. breeding in Azerbaijan

In the dissertation the recent trend of the decision of a problem of Castanea sativa Mill. breeding in Azerbaijan is developed. The contemporary-styled condition is analysed and the complex natural and artificial of Castanea sativa Mill. stands Azerbaijan is given, existing technologies of cultivation of various grades and forms of Castanea sativa Mill. in republic is stated with the count of agroecological conditions of development and productivity of Castanea sativa Mill. plantings. As a result of inspection of a leading untrimmed gardening zone of Azerbaijan - Sheki-Zagatalskoi are revealed and described perspective high-yielding with quality fruits of 10 grades of national selection and 72 forms of a chestnut edible of which are in details investigated 28. Among the investigated forms are available early, middle-and late-flowering; early, middle-ripening, middle-late-ripening and late. For the first time the map "The Native habit of Castanea sativa Mill. and prospects of its diffusion" is made and published. For the first time on the basis of development of optimal times and methods of a vegetative reproduction of a chestnut scientific bases of technology of cultivation of seedlings of a chestnut and building of high-yield resistant plantings are developed, and also payback of manufacture of a planting stock and economic efficiency of secured grades and forms is specific. Ecological and economic efficiency of Castanea sativa Mill. breeding in economies Sheki-Zagatalskoi zone is fixed, the level of profitableness of culture of a chestnut in economies reaches 149,8 %.