Study On Regional Trial For New Variety-Nongxing Of Tea And Photosynthetic Characteristics Of The Field

In this experiment, agricultural star No.1, No.2, No.3, No.5and No.7as tested strains. In Huan Xi in Fuzhou and Xianghua in Anxi two pilot, I used standard valuation methods and collected the relevant infomation including biological characteristics and the economic characteristics in order to produce a thorough study. Study on the photosynthetic characteristics of strain field, and through the comprehensive performance of the characters in the identification of grey comprehensive evaluation method. Provide germplasm resources data for agricultural star series lines, also has a certain theoretical and practical significance to promote Wuyishan tea breeding of excellent new varieties. Here are the details:1、The agronomic characters of the tested tea cultivarsNongxing.l Feature:the plant type is shrub,the growth habit is semi-erect;the bud is purple green,the sprouting density is medium,the length of three and a bud is between4.5-5.2cm,the weight of100three and a bud is in between48.5-52.4g;the leaf size is small,the leaf shape is elliptic,the leaf colour is dark green,the leaf upper surface is slightly rugose,the leaf texture is medium,the leaf margin undulation is slightly wavy,the leaf cross section is convex; the water extracts are45.17%,the tea polyphenols are12.95%,the amino acids are3.14%,the caffeine is4.03%,Total sugar is3.81%;the leaf production is slightly higher than Huangdan’s,it is suitable for making Oolong tea which have lasting fragrance and pure fresh and smooth taste;its resistance to algae spot is poor;Nongxing.2Feature:the plant type is semi-arbor,the growth habit is erect;the bud is yellow green,the sprouting density is medium,the length of three and a bud is between5.0-6.3cm,the weight of100three and a bud is in between61.1-72.6g;the leaf size is small,the leaf shape is near round,the leaf colour is green,the leaf upper surface is rugose,the leaf texture is medium,the leaf margin undulation is flat,the leaf cross section is concave,it has clearly botany characteristics,the internode is longest, the weight of100three and a bud is the most, the leaf is the most frequent; the water extracts are45.65%,the tea polyphenols are13.17%,the amino acids are4.20%,the caffeine is4.35%,Total sugar is3.45%;the leaf production is significantly higher than Huangdan’s,it is suitable for making Oolong tea which have aroma fragrance and pure alcohol taste with slant acerbity;its cold tolerance is strong, but the resistance to brown blight and resistance to algae spot is poor;Nongxing.3Feature:the plant type is shrub,the growth habit is horizontal spreading;the bud is green,the sprouting density is sparse,the length of three and a bud is between4.4-5.5cm,the weight of100three and a bud is in between52.5-62.9g;the leaf size is medium,the leaf shape is near round,the leaf colour is dark green,the leaf upper surface is rugose,the leaf texture is hard,the leaf margin undulation is flat,the leaf cross section is flat; the water extracts are43.45%,the tea polyphenols are12.51%,the amino acids are3.67%,the caffeine is4.16%,Total sugar is3.54%;the leaf production is slightly lower than Huangdan’s,it is suitable for making Oolong tea which have pure persistent aroma and Alcohol slightly astringent taste; its cold tolerance and the resistance to brown blight is strong, but resistance to algae spot is poor;Nongxing.5Feature:the plant type is semi-arbor,the growth habit is erect;the bud is yellow green,the sprouting density is sparse,the length of three and a bud is between4.4-5. lcm,the weight of100three and a bud is in between34.1-51.4g;the leaf size is small,the leaf shape is elliptic,the leaf colour is green,the leaf upper surface is slightly rugose or smooth,the leaf texture is medium,the leaf margin undulation is wavy,the leaf cross section is convex; the water extracts are42.33%,the tea polyphenols are11.15%,the amino acids are3.75%,the caffeine is4.16%,Total sugar is4.47%;the leaf production is slightly lower than Huangdan’s,it is greatly influenced by fertilization leve;it is suitable for making Oolong tea which have pure lasting deep fragrance and alcohol sweet taste with varietal character; its cold tolerance is poor, but resistance to algae spot is relatively strong and the resistance to brown blight is strong;Nongxing.7Feature:the plant type is shrub,the growth habit is semi-erect;the bud is purple green,the sprouting density is sparse,the length of three and a bud is between4.6-5.9cm,the weight of100three and a bud is in between36.6-60.5g;the leaf size is small,the leaf shape is oblong,the leaf colour is green,the leaf upper surface is slightly rugose or smooth,the leaf texture is medium,the leaf margin undulation is slightly wavy,the leaf cross section is convex; the water extracts are43.50%,the tea polyphenols are13.41%,the amino acids are3.46%,the caffeine is4.06%, Total sugar is3.97%;the leaf production is slightly lower than Huangdan’s,it is greatly influenced by fertilization leve;it is suitable for making Oolong tea which have flowers exquisite durable fragrance with mint or milk incense and alcohol sweet taste with varietal character; its the resistance to brown blight is strong, but cold tolerance and resistance to algae spot is poor;2The photosynthetic characteristics in field of the tested tea cultivarsThis test uses the CID-301portable photosynthesis system field measuring photosynthetic rate of each participant’s net light. The results show that under the same conditions, showing different tea varieties of the diurnal variation of Pn of different types. No.1and No.5is two-peaks; Huang Dan, No.2, No.3and No.7, showing a single peak, trough and peak performance of second and2is not obvious,7No. second peak is not obvious,14:30Pn reaches the minimum value of0.41umol/(M2S), and then rising slightly; each tested the highest value varieties of Pn appeared at10:30, at Pn a.m. than the afternoon, when15:30Pn dropped to almost zero; CO2(out), H2O (out), H2O (in), Tleaf, Tair, CO2(in), CO2(out) are the factors affecting Pn, but in different varieties of different influencing factors, and the influence is also different.3、The gray comprehensive evaluation of the tested tea cultivarsThe test according to the previous research experience and breeding objectives, calculation and analysis of grey comprehensive evaluation value by using the grey comprehensive evaluation method, according to the performance of product comprehensive characters of its size to judge the merits of each participant. The results show that the No.2had the highest yield, the grey comprehensive evaluation value is0.3388,5is the lowest,0.1984, the rest in the0.22-0.27; No.5and No.7quality best, respectively0.3439and0.3457, and2of the poor,0.3277; No.8and No.3botanical traits table at best, respectively0.0941and0.0943, and7,0.0860, resistance is poor, No.2was the best,0.1265, No.5and No.7of the poor, respectively0.0721and0.0793. To sum up, the number2is better than1, followed by No.7, No.3and No.5.