| Hazelnut is Corylaceae Corylus L. plants, hazelnut with almond, walnut and cashew are said the four nuts in the world.After years of research,the Economic Forest Research Institute of Liaoning Province bred both high yield and cold resistance of( Corylus.heterophylla.×Corylus.avellana).To popularize and cultivation, and now has become China’s main cultivars.H azelnut fruit tastes good, rich in nutrients and anti-cancer substance paclitaxel, has a high nutritional value and economic value, etc. Praise by the majority of the people. Due to the lack of long-term scientific and rational fertilization efficient, fast, timely,etc. Hazelnut in Xinjiang setting rate and yield are low. With the rapid development of the fruit industry in Xinjiang, increase hazelnut production is a major issue facing in the industry; foliar spraying is widely used in other fruit trees, and less research on hazelnut. To this end, this study use hazelnut as the research object,through spraying flowering plant growth regulators to promote flowering fruit and hazelnut net photosynthetic rate to increase production; in the time of nutshell enlargement and nuts enlargement spraying foliar fertilizer, with photosynthetic characteristics and yield relationships as main line, using the method of regression analysis, obtained the appropriate concentration of foliar spraying main results of the regression.The mainly results as follows:The research of spraying plant growth regulators showed that : Spraying concentration of GA3150 mg/L fruit set rate reach 84.46 percent,compared with CK increased 38.19%.The branches length and diameter with CK was significant difference( p<0.05),The branches length and diameter compared with CK increased113.41% and 39.04% respectively,the yield per plant increased 130.26%.Spraying 200 mg/L of PP333, fruit setting rate is 23.64% higher than CK, the yield per plant weighs 2.10 kg, increased 176.31%than CK.The results showed that spraying 500 mg/L of BA,the photosynthetic rate was significantly higher than other treatments, compared with CK increased 56.67%.Compared with control,the yield per plant increased 127.63%.Each treatment has little effect on fruit quality, there is no significant difference.Flowering stage GA3150 mg/L, PP333200 mg/L and BA500 mg/L, can significantly improve the hazelnuts set rate, leaves photosynthetic characteristics, increase production, suitable for use in hazelnuts efficient cultivation of hybrid technology.The reserch of spraying different concentration foliar showed that : Spraying without CO(NH2)2treatment on SPAD value, photosynthetic rate,stomatal conductance conductance,transpiration rate and yield affect is the most significant, without KH2PO4 impact followed by it,without Amino acids influence minimal.Correlation analysis showed: The yield of hazelnuts with SPAD value and photosynthetic rate showed a significant positive correlation.Hazelnut leaves intercellular carbon dioxide concentration,transpiration rate and water use efficiency was negatively correlated.Using the method of regression analysis, the relationship between yield and fertilizer spray concentration of the linear regression equation: log?10M =0.1169+0.0392N-0.0033N2+0.0430K-0.0057K2.In nutshell and nuts enlargement, spraying CO(NH2)2 of concentration 5.9394 g/L, 3.7867 g/L of KH2PO4 and 0.75 g/L of acid soluble fertilizer, to improve the level of hazelnut production and the result is best, suitable for application in cultivation production. |
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