Effects of spacing on growth, quantity and quality of Chenin blanc wine grape | เธเธฅเธเธญเธเธฃเธฐเธขเธฐเธเธฅเธนเธเธเธตเนเธกเธตเธเนเธญเธเธฒเธฃเนเธเธฃเธดเธเนเธเธดเธเนเธเธเธฒเธเธเธดเนเธเนเธ เธเธฃเธดเธกเธฒเธเนเธฅเธฐเธเธธเธเธ เธฒเธเธเธฅเธเธฅเธดเธเธเธญเธเธญเธเธธเนเธเธเธณเนเธงเธเนเธเธฑเธเธเธธเน Chenin blanc
2008
Supinya Junmee(Kasetsart University. Bangkhen Campus, Bangkok (Thailand). Faculty of Agriculture. Department of Horticulture) E-mail:[email protected] | Surasak Nilnond(Kasetsart University. Bangkhen Campus, Bangkok (Thailand). Faculty of Agriculture. Department of Horticulture) | Lop Phavaphutanon(Kasetsart University. Kamphaeng Saen Campus, Nakhon Pathom (Thailand). Faculty of Agriculture. Department of Horticulture)
Effects of three spacing (1*2, 1.5*2, 2*2 m) on quantity and quality of Chenin blanc wine grape were studied at Kanchanaburi Research Station. The first experiment was done during the vegetative growth (July-November 2006). The result showed that the spacing of 2*2 m increased cane diameter, shoot length, leaf size and cane fresh weight per vine. Total nonstructural carbohydrates (TNC), total nitrogen (TN) and TNC/TN ratio in cane at pruning stage (110 days) were not significantly different. The second experiment was studied from pruning to harvest (November 2006 to March 2007). The result showed that the spacing of 2*2 m gave the highest yield per vine while the spacing of 1*2 m tended to increase yield per rai. The quality of berries showed that the spacing of 2*2 m tended to increase in total soluble solids (TSS), TSS/TA but decrease in titratable acidity (TA) and juice pH. Different spacing had no effect on TNC, TN and TNC/TN ratio in canes Chenin blanc grape at blooming, veriasion and harvesting stages.
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