“The results showed that the four infestations resulted in a significant decrease in 1 000-grain weight(1 000GW) and rate of yield loss(RYL) but an increase in blighted grain rate(BGR), with a significant positive correlation with the infestation density.”
“With the gradual increase of temperature from Trial I to V, heading date of MY46 homozygotes continued to decrease for about 5 d per trial from 76 to 58 d, while that of ZS97 homozygotes was promoted at the same rate from Trial I to III and then stabilized at 69 d.”
“The number of productive tillers, grains per panicle and grain test weight were also significantly increased in the treated plots with commensurate increase in grain and straw yields when compared with control.”
“Incorporation of glyricidia leafy foliage at same site for 5 years recorded increase in organic carbon, total N, available NPK, water holding capacity and decrease in bulk density of soil over control”
“varieties of Inpara 5 added with fertilization before flooded can suppress a decrease in grain yield for 16 % in the shallow-back swamp and 6 % in middle-back swamps or with each production of 2.9 and 5.1 tons per hectare”
“varieties of Inpara 5 added with fertilization before flooded can suppress a decrease in grain yield for 16 % in the shallow-back swamp and 6 % in middle-back swamps or with each production of 2.9 and 5.1 tons per hectare”
“the tolerance of rice to drought and waterlogging”
e1
“field experiments conducted in Hohai University Water Saving Park with hybrid rice cultivar K you 818 as material for three years”
e2
“RSCI could reduce quota and frequency of irrigation and drainage while increase rainwater use efficiency and water production efficiency significantly without decrease of grain yield”
e6
“compared with continuous flooding irrigation(CFI) and controllable irrigation(CI)”
“Pn, Tr, Ci, Gs,Fv/Fm, ETR in leaves and Yield of different hybrid rice combinations during grain filling showed a wavelike decrease change with the development of seeds”
e2
“The Pn of Feiyou188 and B2You768 were much higher than Gangyou725 at the early stage of grain filling”
“in severe water stress and followed by continuing water stress,Pn decreaded rapidly”
e1
“However,in severe water stress and followed by continuing water stress,Pn decreaded rapidly,the content ROS and the activity of SOD were higher than in light water stress,but at the 7～9 days the activity of SOD began to decrease”
“Compared with the control, shortterm slight low-light stress (20% shading) at heading stage could relieve the harms from high temperature and strong light, and further, relieve the decrease of flag leaf P(n) and plant dry matter accumulation at heading stage, adjust the flag leaf antioxidant enzyme activities”
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