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What about fruit size? With correct application timing we have been able to measure an increase in fruit size in comparison to untreated and hydrogen cyanamide treated orchards. Rediscovering Natural Bud Break The main factors of interest in contributing to poor results are late applications as Erger-K needs to be sprayed earlier than normal HC timing, and two, not knowing when natural bud break is likely to occur. Label recommendations are for 40-45 days before natural bud break and many of us have lost the knowledge of when that time is. Some recognition also needs to be made of the seasonal winter chilling differences particularly in the May-June-July period. Erger-K has performed well and consistently in Gold kiwifruit and we are fi nding that the reliability of performance in Hayward is increasing as our knowledge base expands. It is now time for many more growers to start gaining experience with this product so that when hydrogen cyanamide is no longer available there is a replacement ready to go! In Summary • Erger-K is different to hydrogen cyanamide, with a different mode of action • The end result is a similar number of fruit per square meter • Erger-K needs to be thought of as a fertiliser • Application is earlier than HC, and bud break is delayed to better weather • Application is independent of weather conditions • Earlier harvest on Gold • An increase in fruit size is possible Pacifi c Growers Distributors for Valagro SPA On Erger trial site Emanuele Aquafredda Valagro Sales manager Richard Mills Valagro Pacifi c, and Simon Budd Horticentre who has made some major contributions to the research programe. Information on Available from Tony Andrews P: 09 573 5775 M: 021 757 553 E: tony@pacgro.co.nz Richard Mills M: 021 632 559 E: richard@pacgro.co.nz Simon Budd M: 027 280 4532 E: simon.budd@horticentre.co.nz
20 Gearing up ‘Hort16A’ Returns Shane Max, Peter Blattmann, Andrew Barnett. HortResearch - Te Puke Research Centre. Grant Thorp, HortResearch - Mount Albert Research Centre. Figure 1. Vertical leaf angle associated with Extenday® use in Hort16A. Figure 2. Typical leaf angle under Control plots. HortResearch’s High Production treatment increased Orchard Gate Return by $17,000/ha in a trial in a high performing Alternate Row Cropping orchard. In the Innovative Growing Systems project, use was made of Extenday® refl ective ground covers and artifi cial pollination to achieve this. Seventy percent of the increase can be attributed to an increase in TZG payments. In the April 2007 edition of the Kiwifruit Journal we introduced readers to the Innovative Growing Systems project, funded by ZESPRI Innovation. In this project, HortResearch scientists are working alongside three high performing, innovative orchardists and their management teams. We plan to investigate the opportunities to increase fruit yields and to monitor the consequences of these on fruit quality and grower returns over a three-year period. Here we report on the outcome after the fi rst year of the trial at one of the sites, Don and Judy Hyland’s Hort16A orchard near Te Puke. The vines at this orchard are being managed on an Alternate Row Cropping (ARC) or sometimes called Alternative Year Cropping system. Details of the ARC system have previously been reported in “Pushing the boundaries”(April 2007 Kiwifruit Journal) and “Is there one right way to grow Hort16A?” (November 2006). In summary, it is a string-assisted system that allows vines in every second row to crop over the combined area of two rows (in this case 8.6 m wide canopy), every second year. Vines in cropping rows are alternated
Page 1 and 2: Thirsty vines Summer girdling Compo
Page 3 and 4: 4 contributors BILL SNELGAR Bill Sn
Page 5 and 6: 6 GRANT THORP Dr Grant Thorp is a H
Page 7 and 8: 8 Statistic December January Februa
Page 9 and 10: 10 Fruit dry matter (%) Soluble sol
Page 11 and 12: 12 SUMMARY We now have an indicatio
Page 13 and 14: 14 Orchard Control Dry matter (%) C
Page 15 and 16: 16 Operators should also avoid cutt
Page 17: Technical Review Advertisement / Ad
Page 21 and 22: 22 Table 2. Maturity attributes of
Page 23 and 24: 24 Active fungal biomass (ug/g) Fig
Page 25 and 26: 26 Hayward’s first priority: Shoo
Page 27 and 28: 28 regrowth developed larger leaves
Page 29 and 30: 30 Location Soil % C % N C:N Nelson
Page 31 and 32: 32 Mineral N (mg/kg) Figure 2. Chan
Page 33 and 34: 34 Resolving labour shortages - Is
Page 35 and 36: 36 Perceptions of the RSE Advantage
Page 37 and 38: 38 Organic O Marketing 2007 Tom McL
Page 39 and 40: 40 Customers are Impressed with tas
Page 41 and 42: 42 The Th flavour fl seesaw: balanc
Page 43 and 44: 44 aroma compounds. Dry Matter is a
Page 45 and 46: 46 Producing country On Orchard Pos
Page 47 and 48: 48 optimise their current managemen
Page 49 and 50: 50 Figure 2: Levels of actinidin en
Page 51 and 52: 52 NZKGI making its pledge in isola
Page 53 and 54: 54 Image provided by the NOAA/ESRL
Page 55 and 56: 56 Sea Surface temperature anomaly
Page 57 and 58: 58 The Taste ZESPRI TM programme wa
Page 59 and 60: 60 were either completely unconvinc
Page 61: 62 Orchard productivity remains a k

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